Author Topic: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - June 5, 2017  (Read 29205 times)

Offline vyoma

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http://www.deccanchronicle.com/science/science/230716/isro-to-undertake-the-heaviest-launch-in-december.html

Quote
Chennai: Isro to undertake the heaviest launch in December with GSLV Mk-III rocket which will carry 3.2-tonne GSAT-19E communication satellite from Sathish Dhawan Space Centre in Sriharikota.

While speaking at the golden jubilee celebrations of Madras Institute of Technology Alumni Association in Chennai on Friday Isro Chairman A.S. Kiran Kumar said the GSLV Mk-III rocket’s flight hardware is getting assembled for the launch.
« Last Edit: 05/12/2017 07:08 PM by input~2 »

Offline vyoma

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Re: LVM3-D1 - GSAT-19E - NET December, 2016
« Reply #1 on: 07/23/2016 02:50 AM »
Quote
GSAT-19E
· Payload for the first developmental flight of GSLV MK-III
· Experimental satellite to act as test bed for several new technologies like unified modular bus, deployable thermal radiators, electrical propulsion, indigenous Li-Ion batteries and C-band TWTAs, optical payload, etc.

Quote
GSAT-19
GSAT-19 is planned as the payload for the first developmental flight of the indigenous GSLV-Mk III-D1 Launcher. The satellite is planned to carry Ka and Ku band payload along with a Geostationary Radiation Spectrometer (GRASP) payload to monitor and study the nature of the charged particles and influence of space radiation on spacecraft and electronic components.

GSAT-19 satellite will employ advanced spacecraft technologies including bus subsystem experiments in Electrical propulsion System, indigenous Li ion battery, indigenous Bus bars for power distribution, etc.

Offline vyoma

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Re: LVM3-D1 - GSAT-19E - NET December, 2016
« Reply #2 on: 08/16/2016 06:54 PM »
http://www.deccanchronicle.com/science/science/160816/new-gslv-launch-in-september.html

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In addition to this, the first test flight of GSLV Mk-III, the giant among India’s rockets, using active cryogenic stage is expected in December.

Offline vineethgk

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Re: LVM3-D1 - GSAT-19E - NET December, 2016
« Reply #3 on: 08/17/2016 01:51 PM »
http://www.deccanchronicle.com/science/science/160816/new-gslv-launch-in-september.html

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In addition to this, the first test flight of GSLV Mk-III, the giant among India’s rockets, using active cryogenic stage is expected in December.
The target is still December even now when we are only a few months away. Good going!

Offline worldtimedate

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Re: LVM3-D1 - GSAT-19E - NET December, 2016
« Reply #4 on: 08/30/2016 07:45 PM »
Now this report of timesofindia is saying that the first development test of LVM3 will happen by next year.

Quote

Simultaneously, an advanced cryogenic engine double the capacity with higher thrust is planned for the GSLV-Mk III launch by next year, Liquid Propulsion Systems Centre (LPSC) scientists said.


Source :
Preparations on for launch of GSLV Mark II

worldtimedate [ http://www.world-timedate.com/ ]

Offline vyoma

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Re: LVM3-D1 - GSAT-19E - NET December, 2016
« Reply #5 on: 09/01/2016 10:34 PM »
http://www.isro.gov.in/gslv-mk-iii-d1-gsat-19

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GSLV-Mk III-D1 / GSAT-19

GSAT-19 is planned as the payload for the first developmental flight of the indigenous GSLV-Mk III-D1 Launcher. The satellite is planned to carry Ka and Ku band payload along with a Geostationary Radiation Spectrometer (GRASP) payload to monitor and study the nature of the charged particles and influence of space radiation on spacecraft and electronic components. GSAT-19 satellite will employ advanced spacecraft technologies including bus subsystem experiments in Electrical propulsion System, indigenous Li ion battery, indigenous Bus bars for power distribution, etc.

The satellite is scheduled to be launched during Fourth Quarter of 2016 by GSLV-Mk III-D1 Launcher from SDSC SHAR, Sriharikota.

Offline seshagirib

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Re: LVM3-D1 - GSAT-19E - NET December, 2016
« Reply #6 on: 09/04/2016 06:59 AM »
http://www.deccanchronicle.com/science/science/160816/new-gslv-launch-in-september.html

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In addition to this, the first test flight of GSLV Mk-III, the giant among India’s rockets, using active cryogenic stage is expected in December.
The target is still December even now when we are only a few months away. Good going!

There is no news on stage testing for the Cryogenic stage (engine testing is done). If the stage testing is still pending, the target date of Dec16, looks unrealistic to me.

Offline vineethgk

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Re: LVM3-D1 - GSAT-19E - NET December, 2016
« Reply #7 on: 09/04/2016 04:39 PM »
http://www.deccanchronicle.com/science/science/160816/new-gslv-launch-in-september.html

Quote
In addition to this, the first test flight of GSLV Mk-III, the giant among India’s rockets, using active cryogenic stage is expected in December.
The target is still December even now when we are only a few months away. Good going!

There is no news on stage testing for the Cryogenic stage (engine testing is done). If the stage testing is still pending, the target date of Dec16, looks unrealistic to me.
Agree. The launch could very well slip to early next year. But back in 2012 when they had LVM3-D1 marked for a 2017 launch in their reports, I was sceptical and expected it to be delayed further by years. That they have been able to stick to their schedule comes as a pleasant surprise to me. It might owe a lot to the confidence that success of CUS and LVM3-X has given them.

Offline worldtimedate

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Re: LVM3-D1 - GSAT-19E - NET December, 2016
« Reply #8 on: 09/04/2016 08:37 PM »
http://www.deccanchronicle.com/science/science/160816/new-gslv-launch-in-september.html

Quote
In addition to this, the first test flight of GSLV Mk-III, the giant among India’s rockets, using active cryogenic stage is expected in December.
The target is still December even now when we are only a few months away. Good going!

There is no news on stage testing for the Cryogenic stage (engine testing is done). If the stage testing is still pending, the target date of Dec16, looks unrealistic to me.
Agree. The launch could very well slip to early next year. But back in 2012 when they had LVM3-D1 marked for a 2017 launch in their reports, I was sceptical and expected it to be delayed further by years. That they have been able to stick to their schedule comes as a pleasant surprise to me. It might owe a lot to the confidence that success of CUS and LVM3-X has given them.


According to the following report, CE20 cryogenic stage testing seems to have started, even though it unambiguouslay didn't refer to the stage testing.

Quote
Stating that GSLV Mk-III cryogenic engine testing had already started, Rakesh said, "We are planning to complete engine readiness in about two months time."

Source :
ISRO Planning Record 68 Satellites' Launch in 2017

worldtimedate [ http://www.world-timedate.com/ ]

Offline input~2

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Re: LVM3-D1 - GSAT-19E - NET December, 2016
« Reply #9 on: 09/08/2016 02:50 PM »
Quote from:  VSSC director
The target launch date was December 2016 but there could be slight delay as large number of tests have to be carried out.
http://www.business-standard.com/article/news-ians/isro-puts-one-more-rocket-into-global-satellite-launch-market-116090801192_1.html
« Last Edit: 09/08/2016 02:51 PM by input~2 »

Offline zubenelgenubi

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Re: LVM3-D1 - GSAT-19E - NET December, 2016
« Reply #10 on: 09/26/2016 03:07 PM »
From the SCATSat-1 launch thread, post launch speeches:
[ISRO] Chairman says GSLV Mk III assembly has started.
Support your local planetarium!

Offline tappa

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Re: LVM3-D1 - GSAT-19E - NET December, 2016
« Reply #11 on: 09/27/2016 09:27 AM »
I got a chance to visit SDSC last week & the feedback I got during the visit was that it is unlikely that the launch will happen this year. Might get pushed to early 2017.

Offline vineethgk

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Re: LVM3-D1 - GSAT-19E - NET December, 2016
« Reply #12 on: 09/27/2016 09:37 AM »
I got a chance to visit SDSC last week & the feedback I got during the visit was that it is unlikely that the launch will happen this year. Might get pushed to early 2017.
Great! Were you able to visit any of the launch pads?

I too feel that ISRO is just keeping December as an optimistic target. Its a development flight anyways, and there might be a lot of tests that they need to do.

Btw, did you hear any updates about the status of C-25 stage testing for LVM3?

Offline tappa

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Re: LVM3-D1 - GSAT-19E - NET December, 2016
« Reply #13 on: 09/28/2016 12:05 PM »
Yes, I got visit both the launch pads, but since PSLV launch was scheduled we could not go close to FLP. However, I got to see the SLP closely it was very exciting :)

No update on the C-25 though sorry.

Offline vineethgk

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Re: LVM3-D1 - GSAT-19E - NET December, 2016
« Reply #14 on: 09/28/2016 12:19 PM »
Yes, I got visit both the launch pads, but since PSLV launch was scheduled we could not go close to FLP. However, I got to see the SLP closely it was very exciting :)

No update on the C-25 though sorry.
Wish to see them myself one day.. Thanks!

Offline tehwkd

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Re: LVM3-D1 - GSAT-19E - NET December, 2016
« Reply #15 on: 09/28/2016 01:09 PM »
Quote
Somanath: planning for GSLV Mark III launch in early 2017, as well as increasing GSLV and PSLV launch rates. #IAC2016



https://twitter.com/jeff_foust/status/780483391045021697
Custodian of @NextLaunch, janitor of LaunchLibrary.net

Offline vineethgk

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Re: LVM3-D1 - GSAT-19E - NET December, 2016
« Reply #16 on: 10/08/2016 02:12 AM »
ISRO gears up for launch of 3.3-tonne payload
Quote
The target is to put into orbit GSAT-19E, an indigenous communication satellite that will weigh about 3.3 tonnes, the heaviest payload to be launched from the Indian spaceport.
Quote
However, it will be just a few notches lighter than GSAT-18 (3.5 tonnes) that was sent into space by the European Space Agency from French Guiana on Thursday.
“The satellite assembly and launching process of the GSLV Mk-III are in advanced stages. We are confident that SDSC will make yet another mark among the space-faring nations,” said SDSC Deputy Director M. Badarinarayana Murthy.

Re: LVM3-D1 - GSAT-19E - NET December, 2016
« Reply #17 on: 10/08/2016 04:20 AM »
http://www.thehindu.com/news/national/kerala/sifl-develops-forgings-for-isros-gslvmk-3/article9195473.ece


Quote
Alpha Titanium Alloy is one of the difficult to forge materials due to its high flow stress coupled with tendency of cracking. With modified processing parameters and design innovation, the problem was eliminated. Due to this effort, direct pay load gain advantage is achieved. Thus more Transponders can be loaded in satellite,” said P.K. Mansoor, Senior Manager, Steel and Industrial Forgings Limited (SIFL).

http://www.thehindu.com/sci-tech/science/isro-gears-up-for-critical-crew-rescue-test/article9194536.ece

Quote
The ISRO, he said, planned to achieve this capability in a couple of years. The stage test of semi-cryogenic engine for the GSLV-Mark III would be flight-tested in December.

Offline vineethgk

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Re: LVM3-D1 - GSAT-19E - NET December, 2016
« Reply #18 on: 10/08/2016 05:29 AM »



http://www.thehindu.com/sci-tech/science/isro-gears-up-for-critical-crew-rescue-test/article9194536.ece

Quote
The ISRO, he said, planned to achieve this capability in a couple of years. The stage test of semi-cryogenic engine for the GSLV-Mark III would be flight-tested in December.

I guess he meant the CE-20, not SCE-200.

Offline vyoma

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Re: LVM3-D1 - GSAT-19E - NET December, 2016
« Reply #19 on: 10/09/2016 01:12 AM »
http://www.thehindu.com/news/cities/Visakhapatnam/isro-bracing-to-deploy-rover-on-lunar-surface/article9203827.ece

Quote
LMV3, a full-fledged vehicle will be launched in the first half of 2017. Mr. Rao said the heavy launch capability launcher would enable ISRO’s self-reliance in launching of satellites. It will send four tonne class geosynchronous satellites into the orbit.

Offline vyoma

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Re: LVM3-D1 - GSAT-19E - 2017-H1
« Reply #20 on: 10/09/2016 06:15 PM »
http://www.dtnext.in/News/National/2016/10/08234624/1018939/Mock-trials-shortly-for-GSLVMkIII-launch-vehicle-says-.vpf

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“The preparations of various stages of GSLV-MkIII are on in full swing. The first stage, comprising solid boosters, are ready and the integration the stage with the rocket has already started,” he added. The second stage —liquid stage —is also ready. Developmental activities in respect of the CUS (third stage) are in final phase,” Dr Kunhikrishnan said, adding, “We will be starting the mock trials shortly.” “The launch will be by the end of this year,” he said.

Offline seshagirib

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Re: LVM3-D1 - GSAT-19E - 2017-H1
« Reply #21 on: 10/10/2016 05:54 AM »
^The launch date seems to be oscillating between 2016-END, and 2017-H1.

Offline vineethgk

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Re: LVM3-D1 - GSAT-19E - 2017-H1
« Reply #22 on: 10/10/2016 07:31 AM »
^The launch date seems to be oscillating between 2016-END, and 2017-H1.
Based on optimistic and pessimistic estimates I suppose.. Either way, I'm hopeful that the launch may not delay beyond first quarter of 2017

Offline worldtimedate

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Re: LVM3-D1 - GSAT-19E - 2017-H1
« Reply #23 on: 10/10/2016 10:29 PM »
This report of the Hindu is talking about December Launch of LVM3.

Quote
The target is to put into orbit GSAT-19E, an indigenous communication satellite that will weigh about 3.3 tonnes, the heaviest payload to be launched from the Indian spaceport.

"The satellite assembly and launching process of the GSLV Mk-III are in advanced stages. We are confident that SDSC will make yet another mark among the space-faring nations," said SDSC Deputy Director M. Badarinarayana Murthy.

Mr. Murthy told The Hindu that said the target was to take the payload capacity beyond four tonnes in the coming years.

New cryogenic engine

Regarding the launching of GSAT-19E, Mr. Murthy said the GSLV Mk-III hardware was being assembled and other mission control processes were under way. "They have so far been flawless and we are confident of achieving perfection for the December launch," he asserted.

Mr. Murthy said GSLV Mk-III would have a new cryogenic engine that can take payloads in excess of 4-plus tonnes into space with ease.

Source : ISRO gears up for launch of 3.3-tonne payload

worldtimedate [ http://www.world-timedate.com/ ]

Offline baldusi

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Re: LVM3-D1 - GSAT-19E - 2017-H1
« Reply #24 on: 10/11/2016 08:22 PM »
http://www.dtnext.in/News/National/2016/10/08234624/1018939/Mock-trials-shortly-for-GSLVMkIII-launch-vehicle-says-.vpf

Quote
“The preparations of various stages of GSLV-MkIII are on in full swing. The first stage, comprising solid boosters, are ready and the integration the stage with the rocket has already started,” he added. The second stage —liquid stage —is also ready. Developmental activities in respect of the CUS (third stage) are in final phase,” Dr Kunhikrishnan said, adding, “We will be starting the mock trials shortly.” “The launch will be by the end of this year,” he said.
Is this about calendar or fiscal year?

Offline worldtimedate

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Re: LVM3-D1 - GSAT-19E - 2017-H1
« Reply #25 on: 10/29/2016 05:54 AM »
Quote
Meanwhile, ISRO is conducting high-altitude tests with its own cryogenic engine that is expected to power the heavier rocket Geosynchronous Satellite Launch Vehicle-Mk III (GSLV Mk III).

The GSLV Mk III has a capacity to carry around four tonnes of load.

The rocket is scheduled to be flown in January 2017.

The GSLV Mk III rocket is expected to save precious foreign exchange for India as it pays to launch heavier satellites through foreign space agencies.

In an interaction, ISRO Chairman A.S. Kiran Kumar said the agency is looking forward to develop four-tonne communication satellites that will give the same output as a six-tonner.

Source : ISRO's World record bid: Launching 83 satellites on single rocket

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Offline input~2

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Re: LVM3 (GSLV MkIII)-D1 - GSAT-19E - January 18, 2017
« Reply #26 on: 11/04/2016 08:42 AM »
A first tentative date for the launch is January 18
source

Offline vyoma

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Re: LVM3 (GSLV MkIII)-D1 - GSAT-19E - January 18, 2017
« Reply #27 on: 11/30/2016 02:44 AM »
http://www.deccanchronicle.com/science/science/301116/gslv-mk-iii-next-for-isro-to-be-launched-in-january.html

Quote
Chennai: The 640-tonne GSLV Mk-III, Isro’s heaviest rocket till date, is likely to be launched in January as some stages of the rocket are still undergoing tests.
Isro first had planned to launch the heavy rocket in December end. But the largest cryogenic engine CE-20 developed for this rocket is yet to be delivered as it is undergoing tests at Isro’s Propulsion Complex (IPRC) in Mahendragiri, Tamil Nadu.

Quote
“All the systems are now getting ready. The L110 and S200 stages are already delivered to Satish Dhawan Space Centre in Sriharikota. The cryogenic engine CE-20 is still not delivered as the engine tests are going on,” K.Sivan, director, Vikram Sarabhai Space Centre (VSSC), Thiruvanan thapuram told Deccan Chronicle.

Quote
The cryogenic stage for the vehicle is expected to be delivered sometime in December. “The exact date for the launch will be finalised only when we finish our tests. It’s not like PSLV or GSLV launches. It’s a new stage, new testing and some new observations will be there and we have to solve the teething issues. In all likelihood, the launch may go to January,” he said.

Offline input~2

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Re: LVM3 (GSLV MkIII)-D1 - GSAT-19E - January 18, 2017
« Reply #28 on: 12/01/2016 07:28 AM »
Quote
The first developmental flight of GSLV Mk-III is targeted during first quarter of 2017.
source: Lok Sabha question/answer November 23, 2016

Offline vyoma

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Re: LVM3 (GSLV MkIII)-D1 - GSAT-19E - NET January 18, 2017
« Reply #29 on: 12/03/2016 09:00 PM »
http://www.thehindu.com/news/cities/Madurai/GSLV-engine-tested-at-Mahendragiri/article16756493.ece

Quote
The Indian Space Research Organisation (ISRO) successfully conducted the test of the Geosynchronous Satellite Launch Vehicle Mk III’s indigenous cryogenic CE-20 engine at ISRO Propulsion Complex in Mahendragiri in the district on Saturday.

The CE-20 was ignited and tested for 25 seconds from 7.20 p.m. in the presence of A.S. Kiran Kumar, Chairman, ISRO, to study the performance of the engine that will play a pivotal role in the rocket weighing about 4 tonne.

“The engine, which will get ignited at high altitude in vacuum during actual flight, performed exceptionally well to meet all predetermined goals,” said sources in the ISRO Propulsion Complex.

Offline input~2

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Re: LVM3 (GSLV MkIII)-D1 - GSAT-19E - January 20, 2017
« Reply #30 on: 12/07/2016 04:43 AM »
A launch date of January 20 was announced during PSLV C36 launch broadcast

Offline worldtimedate

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Re: LVM3 (GSLV MkIII)-D1 - GSAT-19E - January 20, 2017
« Reply #31 on: 12/12/2016 12:32 AM »
Here is a report of LVM3 Launch date from the Hindu :

Quote
GSLV-Mark 3, the country's most powerful launch vehicle built to lift the heaviest Indian communications satellites to space, is set for its first full-fledged flight on January 20, two ISRO directors announced on Wednesday.

Mk III can loft satellites weighing 4,000 kg to space, double the weight the current GSLV-Mk II can lift. We are working to have the maiden test of GSLV-Mk3 flight on January 20, said S. Sivan of the Vikram Sarabhai Space Centre after the launch of Resourcesat-2A at Sriharikota.

The vehicle will put the GSAT-19E communication satellite into orbit. When functional in a few years, Mk III will also enable ISRO to launch from India communications spacecraft to geostationary orbits of 36,000 km.

Mk III was partially tested in a 150-km 'sub-orbital' flight in December 2014, without the cryo engine.


Source : GSLV-Mk3 to fly on Jan. 20

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Offline worldtimedate

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Re: LVM3 (GSLV MkIII)-D1 - GSAT-19E - January 20, 2017
« Reply #32 on: 12/12/2016 12:43 AM »
Another report from the Deccan Chronicle about the LVM3 Launch Date :

Quote
GSLV Mk-III rocket's tentative launch date is Jan. 20

Isro has fixed tentative launch date for next generation GSLV-Mk-III rocket as January 20.

We are planning to have the launch on January 20. Since it's a new mission the launch date may change according to the new observations. Nevertheless, we are aiming for the January launch, said K. Sivan, director, Vikram Sarabhai Space Centre, Thiruvananthapuram. 

Source : Isro for 100 per cent indigenous rocket technology soon, says chief

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Offline input~2

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Offline A.K.

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Re: LVM3 (GSLV MkIII)-D1 - GSAT-19E - March 2017
« Reply #34 on: 01/01/2017 04:31 AM »
LVM3- D1 render from a recent ISRO presentation. Note the Ogival fairing & canted nose cones of boosters. The truss area is also closed.

Thanks to redditors who found this.
« Last Edit: 01/01/2017 04:32 AM by A.K. »

Offline vineethgk

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Re: LVM3 (GSLV MkIII)-D1 - GSAT-19E - March 2017
« Reply #35 on: 01/01/2017 05:27 AM »
LVM3- D1 render from a recent ISRO presentation. Note the Ogival fairing & canted nose cones of boosters. The truss area is also closed.

Thanks to redditors who found this.
Thanks a lot for sharing! Was hunting around for this for a long time.
 
EDIT: This matches the image of the wind tunnel model which was shared some time back.

http://forum.nasaspaceflight.com/index.php?topic=36389.msg1429875.msg#1429875

« Last Edit: 01/01/2017 05:38 AM by vineethgk »

Offline input~2

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Re: LVM3 (GSLV MkIII)-D1 - GSAT-19E - March 2017
« Reply #36 on: 01/04/2017 08:28 PM »
Quote
GSAT-7A will not be carried by GSLV Mark-III in its next developmental flight scheduled for March 2017, sources said. It would carry GSAT-19E, another civilian satellite.
http://www.deccanherald.com/content/589900/iafs-wait-own-satellite-gets.html

Offline vineethgk

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Re: LVM3 (GSLV MkIII)-D1 - GSAT-19E - March 2017
« Reply #37 on: 01/16/2017 11:36 AM »
High Altitude Flight Acceptance test of CE20 Engine conducted successfully

Quote
The first CE20 flight engine acceptance test was successfully conducted for duration of 25s in high altitude simulation test facility during December 2016. This flight acceptance is an important milestone for ISRO as it could successfully cross the major engine development endeavors in the maiden attempt. This engine was conceived, configured, designed, fabricated and developed by Liquid Propulsion Systems Centre (LPSC).
Quote
To test the Engine at flight identical conditions, High Altitude Test (HAT) facility was established at IPRC, Mahendragiri. This facility allows testing of the CE20 engine at its full area ratio in vacuum condition which otherwise would experience flow separation at sea level ambient pressures.

The successful engine testing in high altitude condition was preceded by multiple tests on two engines with sea level nozzle divergent (area ratio 10). The development test conducted on these engines provided confidence in the design. The design of the flight nozzle was also validated in the medium duration High Altitude Test programme.

The Engine High Altitude Test Programme contained a series of high altitude tests (5 hot tests with a cumulative duration of 41.20s) to demonstrate the vacuum ignition, validate the nozzle performance, propellant flow build up characteristics, chill down performance and demonstrate the ignition margins. All the test objectives were successfully achieved in this test programme. The testing of engine in HAT facility has also helped in finalising the engine start and shut down sequence for flight. Summing up, the test programme has imparted good confidence on the performance and functioning of CE20 Engine in GSLV MKIII (LVM3)-D1 mission.

Edit: Attached hi-res pic of the engine at HAT facility
« Last Edit: 01/16/2017 11:42 AM by vineethgk »

Offline worldtimedate

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Re: LVM3 (GSLV MkIII)-D1 - GSAT-19E - March 2017
« Reply #38 on: 01/16/2017 08:57 PM »
High Altitude Flight Acceptance test of CE20 Engine conducted successfully

Quote
The first CE20 flight engine acceptance test was successfully conducted for duration of 25s in high altitude simulation test facility during December 2016. This flight acceptance is an important milestone for ISRO as it could successfully cross the major engine development endeavors in the maiden attempt. This engine was conceived, configured, designed, fabricated and developed by Liquid Propulsion Systems Centre (LPSC).
Quote
To test the Engine at flight identical conditions, High Altitude Test (HAT) facility was established at IPRC, Mahendragiri. This facility allows testing of the CE20 engine at its full area ratio in vacuum condition which otherwise would experience flow separation at sea level ambient pressures.

The successful engine testing in high altitude condition was preceded by multiple tests on two engines with sea level nozzle divergent (area ratio 10). The development test conducted on these engines provided confidence in the design. The design of the flight nozzle was also validated in the medium duration High Altitude Test programme.

The Engine High Altitude Test Programme contained a series of high altitude tests (5 hot tests with a cumulative duration of 41.20s) to demonstrate the vacuum ignition, validate the nozzle performance, propellant flow build up characteristics, chill down performance and demonstrate the ignition margins. All the test objectives were successfully achieved in this test programme. The testing of engine in HAT facility has also helped in finalising the engine start and shut down sequence for flight. Summing up, the test programme has imparted good confidence on the performance and functioning of CE20 Engine in GSLV MKIII (LVM3)-D1 mission.

Edit: Attached hi-res pic of the engine at HAT facility

Wasn't the High Altitude Test done already last December ? But anyway there is lot of good Information and pictures on the test from this ISRO news report ? So, then what prevents ISRO from going ahead with the test that was scheduled on Jan. 20, 2017. The tentative test date was announced by ISRO right after the launch of PSLV on Dec. 8, 2016.

The main reason for the postponing the GSLV MK-ii test to March is because the C@% Cryogenic Stage has not yet been tested. Recently I have found from the following Indian Science Congress youtube Channel in which in a speech Mr. Somnath of LPSC Director has mentioned that C25 cryogenic stage test would be conducted in January, 2017. I just can't understand if the C25 Stage test was not done, why then ISRO announced on Dec. 6, 2017 that GSLV MK-III was ready to be launched on Jan. 20, 2017. Had it not been ready, what is the necessity of announcing the launch date so early ?

Indian science congress 2017 Live Stream 4  : ( Speech by Mr. S. Somnath, LPSC Director )


worldtimedate [ http://www.world-timedate.com/ ]

Offline russianhalo117

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Re: LVM3 (GSLV MkIII)-D1 - GSAT-19E - March 2017
« Reply #39 on: 01/16/2017 09:27 PM »
High Altitude Flight Acceptance test of CE20 Engine conducted successfully

Quote
The first CE20 flight engine acceptance test was successfully conducted for duration of 25s in high altitude simulation test facility during December 2016. This flight acceptance is an important milestone for ISRO as it could successfully cross the major engine development endeavors in the maiden attempt. This engine was conceived, configured, designed, fabricated and developed by Liquid Propulsion Systems Centre (LPSC).
Quote
To test the Engine at flight identical conditions, High Altitude Test (HAT) facility was established at IPRC, Mahendragiri. This facility allows testing of the CE20 engine at its full area ratio in vacuum condition which otherwise would experience flow separation at sea level ambient pressures.

The successful engine testing in high altitude condition was preceded by multiple tests on two engines with sea level nozzle divergent (area ratio 10). The development test conducted on these engines provided confidence in the design. The design of the flight nozzle was also validated in the medium duration High Altitude Test programme.

The Engine High Altitude Test Programme contained a series of high altitude tests (5 hot tests with a cumulative duration of 41.20s) to demonstrate the vacuum ignition, validate the nozzle performance, propellant flow build up characteristics, chill down performance and demonstrate the ignition margins. All the test objectives were successfully achieved in this test programme. The testing of engine in HAT facility has also helped in finalising the engine start and shut down sequence for flight. Summing up, the test programme has imparted good confidence on the performance and functioning of CE20 Engine in GSLV MKIII (LVM3)-D1 mission.

Edit: Attached hi-res pic of the engine at HAT facility

Wasn't the High Altitude Test done already last December ? But anyway there is lot of good Information and pictures on the test from this ISRO news report ? So, then what prevents ISRO from going ahead with the test that was scheduled on Jan. 20, 2017. The tentative test date was announced by ISRO right after the launch of PSLV on Dec. 8, 2016.

The main reason for the postponing the GSLV MK-ii test to March is because the C@% Cryogenic Stage has not yet been tested. Recently I have found from the following Indian Science Congress youtube Channel in which in a speech Mr. Somnath of LPSC Director has mentioned that C25 cryogenic stage test would be conducted in January, 2017. I just can't understand if the C25 Stage test was not done, why then ISRO announced on Dec. 6, 2017 that GSLV MK-III was ready to be launched on Jan. 20, 2017. Had it not been ready, what is the necessity of announcing the launch date so early ?

Indian science congress 2017 Live Stream 4  : ( Speech by Mr. S. Somnath, LPSC Director )


worldtimedate [ http://www.world-timedate.com/ ]
I believe that the test in December might have been the Green Run of the Flight Engine or completion of the final qualification engine test and that this recent test was the static fire acceptance and certification test of the flgiht engine for the flight.

Offline chota

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Re: LVM3 (GSLV MkIII)-D1 - GSAT-19E - March 2017
« Reply #40 on: 01/19/2017 01:53 PM »
> Stage level tests pending
> Stage Tests planned to be completed in Jan
> GSLV Mk II F09 , GSLV Mk III D1 launches are both from second launch pad

http://www.deccanchronicle.com/science/science/190117/isro-postpones-gslv-mk-iii-launch-to-march.html
« Last Edit: 01/19/2017 01:56 PM by chota »

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Re: LVM3 (GSLV MkIII)-D1 - GSAT-19E - March or April 2017
« Reply #41 on: 01/20/2017 01:07 AM »
Milestone in cryogenic engine test paves way for GSLV-MkIII

Quote
In a few days from now, the rocket’s complete cryogenic third stage, replete with fuel tanks and systems built around the engine, will undergo its qualifying test, S. Somanath, Director of ISRO’s Liquid Propulsion Systems Centre (LPSC), Thiruvananthapuram, told The Hindu.

“LPSC has designed and developed the CE20 engine. We are assembling the entire cryogenic stage, which is ready for flight. It will be sent to Sriharikota in a month’s time,” he said.

Quote
The vehicle’s first two qualified stages are already in Sriharikota, namely the solid-fuelled S200 and the liquid-fuelled L110 stages.

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Re: LVM3 (GSLV MkIII)-D1 - GSAT-19E - March 2017
« Reply #42 on: 01/22/2017 02:13 PM »
LVM3- D1 render from a recent ISRO presentation. Note the Ogival fairing & canted nose cones of boosters. The truss area is also closed.

Thanks to redditors who found this.

Interesting if this modified shape is what is going to be tested in Mar-Apr !!

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Re: LVM3 (GSLV MkIII)-D1 - GSAT-19E - March or April 2017
« Reply #43 on: 01/24/2017 03:10 AM »
Milestone in cryogenic engine test paves way for GSLV-MkIII

Quote
In a few days from now, the rocket’s complete cryogenic third stage, replete with fuel tanks and systems built around the engine, will undergo its qualifying test, S. Somanath, Director of ISRO’s Liquid Propulsion Systems Centre (LPSC), Thiruvananthapuram, told The Hindu.

“LPSC has designed and developed the CE20 engine. We are assembling the entire cryogenic stage, which is ready for flight. It will be sent to Sriharikota in a month’s time,” he said.

Quote
The vehicle’s first two qualified stages are already in Sriharikota, namely the solid-fuelled S200 and the liquid-fuelled L110 stages.


Above article says another launch in Dec 2017

"ISRO plans to have one MkIII launch in a year, and the next one is planned for December this year"

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - March/April 2017
« Reply #44 on: 01/26/2017 02:21 AM »
GSLV’s cryogenic upper stage tested successfully

Quote
The Indian Space Research Organisation’s Propulsion Research Complex at Mahendragiri, about 60 km from here, successfully conducted the stage level test of GSLV MK III’s cryogenic upper stage C-25 on Wednesday night.

Accompanied by his colleagues at IPRC, ISRO Chairman A.S. Kiran Kumar witnessed the test that lasted about 50 seconds from 8.40 p.m. “The 50-second long test of C-25 of the country’s most powerful launch vehicle that can carry satellites weighing 4,000 kg was successful,” said sources.

At last! Longer duration tests to follow shortly I guess..

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - March/April 2017
« Reply #45 on: 01/26/2017 06:05 AM »
Report of the test from official ISRO sources

ISRO Successfully Tests C25 Cryogenic Upper Stage of GSLV MkIII
Quote
Indian Space Research Organisation (ISRO) successfully ground tested its indigenously developed Cryogenic Upper Stage for GSLV MkIII on January 25, 2017. The cryogenic stage designated as C25 was tested for a duration of 50 seconds at ISRO Propulsion Complex (IPRC) in Mahendragiri demonstrating all the stage operations. The performance of the Stage during the test was as predicted. This is the first test in a series of two tests.  The next test is planned for flight duration of 640 seconds.
Quote
The C25 stage is the most powerful upper stage developed by ISRO and uses Liquid Oxygen (LOX) and Liquid Hydrogen (LH2) propellant combination.  The stage carries 27.8 tons of propellants loaded in two independent tanks.
« Last Edit: 01/26/2017 06:06 AM by vineethgk »

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - March/April 2017
« Reply #46 on: 01/26/2017 06:19 AM »
Great update from ISRO on Republic Day :) Looking forward to 640 seconds test.

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - March/April 2017
« Reply #48 on: 01/29/2017 08:18 PM »
Milestone in cryogenic engine test paves way for GSLV-MkIII

Quote
The vehicle’s first two qualified stages are already in Sriharikota, namely the solid-fuelled S200 and the liquid-fuelled L110 stages.

Report of the test from official ISRO sources

ISRO Successfully Tests C25 Cryogenic Upper Stage of GSLV MkIII
Quote
Indian Space Research Organisation (ISRO) successfully ground tested its indigenously developed Cryogenic Upper Stage for GSLV MkIII on January 25, 2017. The cryogenic stage designated as C25 was tested for a duration of 50 seconds at ISRO Propulsion Complex (IPRC) in Mahendragiri demonstrating all the stage operations. The performance of the Stage during the test was as predicted. This is the first test in a series of two tests.  The next test is planned for flight duration of 640 seconds.
Quote
The C25 stage is the most powerful upper stage developed by ISRO and uses Liquid Oxygen (LOX) and Liquid Hydrogen (LH2) propellant combination.  The stage carries 27.8 tons of propellants loaded in two independent tanks.

LVM3 launch tentatively in April (after GSLV Mk II F09 in March)

http://timesofindia.indiatimes.com/home/science/isro-centres-set-for-the-record-launch-of-104-satellites-at-one-go-by-february-15/articleshow/56856368.cms

So, the solid boosters and the core main stage are on-site, but no launcher integration of GSLV MkIII has yet taken place?

Therefore, has the vertical assembly building for the SLP been vacant since the previous GSLV MkII launch last September?

To follow-on: Were ISRO officials waiting to make a decision to start launcher integration until it became clear that they could accomplish the next MkII launch before the MkIII vehicle would be ready?
« Last Edit: 01/29/2017 08:32 PM by zubenelgenubi »
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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - April 2017
« Reply #49 on: 01/30/2017 04:44 AM »

Its likely the S-200 and L-110 stages are already assembled on its launch pedestral in the Solid Stage Assembly Building (SSAB). Meanwhile GSLV-II would be assembled in VAB, and once that mission is completed they could move the lower stage stack of GSLV-III into position in VAB to integrate the C-25 (as soon as it is ready after the tests) and the payload.
« Last Edit: 01/30/2017 04:44 AM by vineethgk »

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - April 2017
« Reply #50 on: 01/30/2017 07:38 AM »
This layout will help in understanding the dependency between SSAB, VAB and SLP

" width="356" height="254

Tracks from Vehicle Assembly Building (VAB) to Second Launch Pad (SLP).

Solid Stage Assembly Building (SSAB) in the background
 
« Last Edit: 01/30/2017 03:17 PM by chota »

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - April 2017
« Reply #51 on: 01/30/2017 07:49 AM »
And the proposed new Second Vehicle assembly building (SVAB)

Second Vehicle assembly building



Image Source : ISRO

Offline chota

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - April 2017
« Reply #52 on: 01/30/2017 07:51 AM »
 A close up



Source: ISRO

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - April 2017
« Reply #53 on: 01/30/2017 08:00 AM »
Second Vehicle assembly building is expected to be ready by June

There is a proposal to build a third launch pad with a connection to second launch pad. However this proposal is currently on-hold

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - April 2017
« Reply #54 on: 01/30/2017 02:55 PM »
Thank you, vineethgk and chota.  The illustrations truly help!
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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - April 2017
« Reply #55 on: 01/30/2017 04:05 PM »
A close up



Source: ISRO
Is that a VLM3? Is it really that oversized?

Offline vineethgk

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - April 2017
« Reply #56 on: 01/30/2017 04:30 PM »
A close up



Source: ISRO
Is that a VLM3? Is it really that oversized?
Yes it is. The new VAB that would be ready for operations before the end of this year is designed to accomodate larger rockets that are under study by ISRO in addition to LVM3. Especially the 10T to GTO class HLV. There are a few associated design changes like provision to support an auxiliary umbilical tower, cranes that handle larger solid boosters etc..
« Last Edit: 01/30/2017 04:34 PM by vineethgk »

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - April 2017
« Reply #57 on: 01/31/2017 01:46 AM »
It looks more like Saturn 5 sized. Do you have the general dimensions?

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - April 2017
« Reply #58 on: 01/31/2017 03:17 AM »
It looks more like Saturn 5 sized. Do you have the general dimensions?

The height of the building is approximately 96m. I have attached a snap from an RFP floated by ISRO for its construction. The document itself has many similar diagrams with interesting details towards its tail end. (I have attached the RFP as a PDF too)

EDIT: Corrected the height. It was way off mark from my initial impression. My bad..   :-\

Many thanks to @Ohsin who shared them.  :)
« Last Edit: 01/31/2017 03:29 AM by vineethgk »

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - April 2017
« Reply #59 on: 01/31/2017 04:26 AM »
The VAB is 160m high, and its base is 218m x 158m. So this is a huge building, but not in the VAB's category. I keep forgetting how short (let's call it stubby) the VLM3 is.

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - April 2017
« Reply #60 on: 01/31/2017 04:47 AM »
The VAB is 160m high, and its base is 218m x 158m. So this is a huge building, but not in the VAB's category. I keep forgetting how short (let's call it stubby) the VLM3 is.
Yes. LVM3 is shorter than PSLV and GSLV at ~43m. So they can assemble rockets 60-70m high in the new SVAB. Sufficient for future ULV and HLV class, but not for ones beyond that I guess.

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - April 2017
« Reply #61 on: 02/04/2017 02:26 AM »
Quote
The first ever flight of GSLV Mark –III was poised to take place in the first half of this year, P. Kunhikrishnan, Director, Satish Dhawan Space Centre, SHAR, Sriharikota said here on Friday.

I hope the subtle change in wording does not indicate a further delay.

Source

Offline worldtimedate

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - April 2017
« Reply #62 on: 02/05/2017 05:38 AM »
Quote
The first ever flight of GSLV Mark –III was poised to take place in the first half of this year, P. Kunhikrishnan, Director, Satish Dhawan Space Centre, SHAR, Sriharikota said here on Friday.

I hope the subtle change in wording does not indicate a further delay.

Source

Full Duration Test lasting 640 Seconds of the Cryogenic Upper Stage ( C25 ) is yet to take place. I am sure, ISRO will do this full duration test more than once before certifying the C25 Stage.

worldtimedate [ http://www.world-timedate.com/ ]

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - April 2017
« Reply #63 on: 02/15/2017 07:58 PM »
At the end of the press conference after yesterday PSLV launch, ISRO Chairman A. S. Kiran Kumar announced that the long duration test of the C-25 stage will take place in 3 days.



Things are moving along!

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - April 2017
« Reply #64 on: 02/16/2017 01:58 AM »
Full Duration C25 Stage Test will be done tomorrow.

Quote
There will be a full duration flight test of cryogenic upper stage for GSLV MkIII for 640 seconds on Friday, ISRO Propulsion Complex (IPRC) director, P V Venkitakrishnan, told Express on the sidelines of the successful launch of PSLV C-37.

The full stage demonstration at sea level is scheduled to be held at IPRC, Mahendragiri. "If we succeed in our mission for 640 seconds, it will be an important milestone and ISRO can launch GSLV MkIII by April," Venkitakrishnan said

He said the agency had successfully ground tested its indigenously developed cryogenic engine (C25) at a High Altitude Test (HAT) facility on January 25, 2017 and integrated it with the flight stage.

"The performance of the engine at high altitude during the test was satisfactory and Friday's test would be the last in the series before going for an actual rocket launch," he said and added, "Already, earth-storable liquid core stage (L110) and solid strap-on-motors (S200) have been integrated and reached Sriharikota. C25 engine activity and integration is progressing in IPRC and should be ready for dispatch in couple of weeks."

Source : Full duration flight test of GSLV's cryogenic upper stage tomorrow

worldtimedate [ http://www.world-timedate.com/ ]

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - April 2017
« Reply #65 on: 02/17/2017 04:39 PM »
Reports have started coming in of the successful full-duration test of C-25 stage at IPRC. Official report from ISRO sources is yet to come.

ISRO conducts cryogenic engine-D stage test

Quote
ISRO successfully carried out its indigenously developed cryogenic engine-D stage test at its liquid propulsion complex at Mahendragiri in the district today.

ISRO Chairman A S Kiran Kumar said "the full duration flight test of cryogenic upper stage for GSLV-Mk III was successful."

The successful test of C-25 payload capacity of four tonnes class of satellite would pave way for the launch of GSLV-Mk III C-25 satellite. The engine will be put into use in April.

Today's test was the last in the series before going for an actual rocket launch, he said.

Since this was last planned test for the stage, we can expect the stage to be shipped to SDSC for integration soon.
« Last Edit: 02/17/2017 05:34 PM by vineethgk »

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - April 2017
« Reply #66 on: 02/17/2017 05:03 PM »
May be this news paper misinterpreted "engine and stage" as "engine-D stage" ;)

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - April 2017
« Reply #67 on: 02/17/2017 05:20 PM »
The article also refers to a full duration "flight" test.   ::)

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - April 2017
« Reply #68 on: 02/17/2017 05:35 PM »
The article also refers to a full duration "flight" test.   ::)
Oops.. And I copied it ditto in my comment too.. Corrected.

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« Last Edit: 02/18/2017 07:07 AM by chota »

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - April 2017
« Reply #70 on: 02/18/2017 11:42 AM »
And here is the update from ISRO with video

> C25 was tested for a flight duration of 640 sec
> The flight cryogenic stage is in advanced stage of realisation

Impressive!

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - April 2017
« Reply #71 on: 02/18/2017 05:28 PM »
http://www.isro.gov.in/update/18-feb-2017/isro-successfully-tests-its-cryogenic-stage-c25-gslv-mkiii-flight-duration

Quote
Feb 18, 2017

ISRO Successfully Tests its Cryogenic Stage (C25) for GSLV MkIII for the Flight Duration

The Indian Space Research Organisation (ISRO) successfully tested its indigenously developed Cryogenic Upper Stage (CUS) for GSLV MkIII on February 17, 2017. The cryogenic stage designated as C25 was tested for a flight duration of 640 seconds at ISRO Propulsion Complex (IPRC) in Mahendragiri. C25 Stage had earlier been tested successfully for 50 seconds on January 25, 2017 to validate all the systems.

Prior to Stage development hot tests, three CE20 engines were realised and two engines were subjected to qualification tests in sea level conditions. This included 800 seconds duration hot test and the third engine identified for flight was tested in high

Altitude conditions for a duration of 25 seconds.

This Stage test is a significant milestone as it is the last in series of engine and stage development hot tests before the first development flight of GSLV MkIII.

The C25 stage is the most powerful upper stage developed by ISRO and uses Liquid Oxygen (LOX) and Liquid Hydrogen (LH2) propellant combination.  The stage carries 27.8 tons of propellants loaded in two independent tanks. Development of a cryogenic stage has unique design challenges, with liquid Hydrogen stored at -253 deg C and liquid Oxygen stored at -195 deg C in its tanks. To store these cryogenic fluids, special multi-layer insulation is provided for the tanks and other structures.

The development of the cryogenic stage was led by Liquid Propulsion Systems Centre (LPSC) with support from various System Development Agencies from other ISRO Centres of ISRO, viz., Vikram Sarabhai Space Centre (VSSC), ISRO Propulsion Complex (IPRC) and Sathish Dhawan Space Centre (SDSC), SHAR.

The Cryogenic Stage development tests were carried out in two phases.  First, the Stage was subjected to fluid mock-up, wherein the stage preparation and servicing at launch complex in SDSC, SHAR, Shriharikota was completed to prove all the ground facilities established for servicing the cryogenic stage. This was followed by testing of the Stage at ISRO Propulsion Complex, Mahendragiri. From the Stage realisation to completion of testing was accomplished in four months.

The performance of the Stage during the hot test was as predicted. Successful hot test for flight duration qualifies the design of the stage and the robustness of the facilities conceived and established towards its development.

The flight cryogenic stage is in advanced stage of realisation, and forms the upper stage of GSLV MkIII the next generation launch vehicle of ISRO, capable of launching 4 ton class satellites into Geosynchronous Transfer Orbit (GTO). The vehicle consists of two solid strap-ons (S200) motors, one earth storable liquid core stage (L110) and the Cryogenic Upper Stage (C25).

The GSLV MkIII vehicle integration activities are in progress at SDSC, SHAR for its first development flight (GSLV MkIII-D1) targeted for April 2017.

Offline sanman

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - April 2017
« Reply #72 on: 02/19/2017 03:52 AM »
Here's the Youtube version:


Offline vineethgk

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - April 2017
« Reply #73 on: 02/23/2017 05:24 AM »
Quote
The GSLV Mark-III’s CE-20 cryogenic engine and C25 cryogenic stage, on the other hand, are based on a wholly Indian design that is considerably simpler, though a bit less efficient in terms of propellant consumption, than the CUS. Moreover, the CE-20, producing, as its name suggests, 20 tonnes of thrust, is two and a half times more powerful than the CUS engine. It also ranks, according to ISRO, as one of the most powerful upper stage cryogenic engines in the world. Experience with the CUS had greatly aided development of the Mark-III’s cryogenic engine and stage, remarked S. Somanath, director of the Liquid Propulsion Systems Centre (LPSC).
Quote
Some elements of the CUS engine and its manufacturing process had, for instance, gone into the Mark-III’s CE-20 engine. Stage development, too, had benefited. In the case of the GSLV, after the Russian engine was indigenised and qualified, a flightworthy CUS took eight years to develop, he pointed out. But for the Mark-III, “the [cryogenic] engine was qualified just six months back and we have tested the stage now,” he said.
Quote
The successful completion of all ground tests means the CE-20 engine and the C25 are now ready to take wing.  Assembly of the cryogenic stage for the Mark-III’s first development flight is in progress, according to P.V. Venkitakrishnan, the IPRC director. The stage would be ready for transportation to Sriharikota by the middle of March.
Quote
ISRO flight tested the GSLV Mark-III on an experimental mission in December 2014, using a dummy cryogenic stage. The mission had been carried out to address a number of important questions about the rocket’s performance in actual flight, according to Somanath, who was the Mark-III project director at the time. He claimed that all those questions are answered. “I think we had a beautiful flight,” he said. Now, “we are sure that all the lower stages are going to perform” and so there was greater confidence in the success of the upcoming mission with the actual cryogenic stage.
Quote
These satellites, weighing between 2.7 tonnes and 3.4 tonnes, went into space aboard Europe’s Ariane rockets. The cost of launching just one of those satellites, the 3.4-tonne GSAT-18 that flew on the Ariane 5 last October, came to Rs 459 crore.
On its forthcoming flight, the GSLV Mark-III will be carrying a 3.3-tonne communication satellite, GSAT-19. The payload capacity of the rocket could be enhanced in various ways to about 4.5 tonnes, according to K. Sivan, director of the Vikram Sarabhai Space Centre.

Note: 1 Crore in Indian system = 10 million

Source


« Last Edit: 02/23/2017 05:24 AM by vineethgk »

Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - April 2017
« Reply #74 on: 02/26/2017 06:18 AM »
Here's the Youtube version:



The vroom sound hearing from 0.13s to 0.16s, is that the sound of turbopumps ?.
« Last Edit: 02/26/2017 06:19 AM by boldz »

Offline vyoma

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - April 2017
« Reply #75 on: 03/01/2017 06:58 PM »
http://www.frontline.in/the-nation/stellar-feat/article9559795.ece

Quote
Next, GSLV-MK III

With this innovative mission behind it, ISRO is now looking forward to the maiden lift-off of its gigantic Geosynchronous Satellite Launch Vehicle, the GSLV-Mark III, in the second half of April 2017. It weighs 640 tonnes and is the heaviest and most formidable launch vehicle built by ISRO so far. The three-stage vehicle is 44 metres tall and features an indigenously designed and built cryogenic stage, which will be powered by 25 tonnes of liquid oxygen and liquid hydrogen. The rocket’s configuration comprises two solid strap-on booster stages called S-200, each with a capacity to hold 200 tonnes of solid propellants; a liquid core stage called L-110, which will hold 110 tonnes of liquid propellants; and the cryogenic upper stage called C-25, which uses 25 tonnes of cryogenic propellants.

P.V. Venkitakrishnan, Director, ISRO Propulsion Complex (IPRC), Mahendragiri near Nagercoil, Tamil Nadu, was upbeat on February 17 after the cryogenic stage, C-25, fired for its full flight duration of 640 seconds at the IPRC complex. This is a major milestone before the GSLV-MK III lift-off from Sriharikota. After the successful firing, which began at 5 p.m., Venkitakrishnan told Frontline from Mahendragiri: “This was a qualification test, a stage test. We will analyse the results of the test and if no fine-tuning is required, the flight cryo stage will move to Sriharikota in two weeks and the GSLV-MK III launch will take place in the second half of April. The two strap-on booster stages and the liquid core stage have already reached Sriharikota.”

The GSLV-MK III will put into orbit a communication satellite called GSAT-19E, weighing about 3.2 tonnes and built by ISRO Satellite Centre.

Said Venkitakrishnan: “GSLV-MK III is fully designed and developed in India. It is a 100 per cent Indian product.”

Offline input~2

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - NET April 30 2017
« Reply #76 on: 03/18/2017 07:10 AM »
"launch in the next two months"
http://www.andhrabhoomi.net/content/nation-2932
This could mean a launch in the first half of May

Offline hvdh

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - NET April 30 2017
« Reply #77 on: 03/20/2017 09:55 AM »
What longitude will GSAT-19E have?

Offline russianhalo117

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - NET April 30 2017
« Reply #78 on: 03/20/2017 12:25 PM »
What longitude will GSAT-19E have?
74°E initally

Offline vyoma

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - NET April 30 2017
« Reply #79 on: 03/23/2017 02:44 AM »
http://www.newindianexpress.com/cities/chennai/2017/mar/23/isro-gears-up-to-flag-off-cryogenic-stage-on-march-27-1584688.html

Quote
CHENNAI: The Fully Indigenous cryogenic upper stage (final flight stage) is ready and likely to be flagged off from the ISRO Propulsion Complex, Mahendragiri, Tirunelveli on March 27 for integration in Satish Dhawan Space Centre, Sriharikota.

Quote
GSLV Mk-III launch could happen only after the GSLV Mk-II launch. GSLV Mk-II carrying SAARC satellite was scheduled for launch this month end, but ISRO Satellite Centre (ISAC) was unable to deliver the satellite within the stipulated time because of technical issues. This forced the ISRO to rework on its launch calendar. Now, the SAARC satellite launch is rescheduled for April end.

Offline input~2

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From the same New India Express article
Quote
ISRO had planned to launch the heavy-lift vehicle carrying GSAT-19, a communication satellite, on April 20, but now the sources said the launch would take place only by May end or June first week

Will they ever launch this thing ?. I've been hearing this thing grom 1998. I think i  still have paper cuttings regarding the news about this.

Offline vineethgk

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - NET April 30 2017
« Reply #82 on: 03/25/2017 04:07 PM »
Will they ever launch this thing ?. I've been hearing this thing grom 1998. I think i  still have paper cuttings regarding the news about this.
Well, in the Annual report of 2011 or 2012, they had projected 2017 as the year for the rocket's debut. So, they weren't entirely off the mark in the recent times. In fact, I felt the talk of end-2016 launch quite surprising, and a departure from established tradition.  

Of course, it is another matter that back in 2003 and 2005, they were reported to be 'hopeful' of a launch in 2007! (Check the links below)


A giant of a rocket
Preparing for space stations


By the way, can you share snaps of the newspaper clippings from '98 you referred to, if possible? If you still have them, that is. I am quite interested in the archeology of the rocket.

Offline worldtimedate

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - NET April 30 2017
« Reply #83 on: 03/26/2017 07:36 AM »
Will they ever launch this thing ?. I've been hearing this thing grom 1998. I think i  still have paper cuttings regarding the news about this.
Well, in the Annual report of 2011 or 2012, they had projected 2017 as the year for the rocket's debut. So, they weren't entirely off the mark in the recent times. In fact, I felt the talk of end-2016 launch quite surprising, and a departure from established tradition.  

Of course, it is another matter that back in 2003 and 2005, they were reported to be 'hopeful' of a launch in 2007! (Check the links below)


A giant of a rocket
Preparing for space stations


By the way, can you share snaps of the newspaper clippings from '98 you referred to, if possible? If you still have them, that is. I am quite interested in the archeology of the rocket.

You may be referring to GSLV MK-II launch with 1998. GSLV MK-III was not conceived in 1998. It was conceived in 2003 and was  supposed to have been launched around 2009. But it was an ambitious schedule that ISRO could not implement. Indigenous Cryogenic Engine for GSLV MK-III did not materialize around the launch time of 1999 due to the delay of the indigenous CUS for the GSLV MK-III . The bottom line is that the delay in the development of Cryogenic Upper Stage of MK-II version delayed the development of the Cryogenic Engine of MK-III version. After the initial failure in 2010, once on January 5, 2014, GSLV MK-II was launched successfully with the indigenous Cryogenic Engine and Stage, ISRO did not have to look back and it came up with two more successful GSLV MK-II launches. The development of CE-20 and C25 Stage did not take much time after the success of the CE-7.5 Engine and C12 Stage.

Of course, this Vehicle GSLV MK-III will fly and come out successful. It is just a matter of time.

worldtimedate [ http://www.world-timedate.com/ ]

Offline seshagirib

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - NET April 30 2017
« Reply #84 on: 03/27/2017 11:41 AM »
Will they ever launch this thing ?. I've been hearing this thing grom 1998. I think i  still have paper cuttings regarding the news about this.

someday

Offline kanaka

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - NET April 30 2017
« Reply #85 on: 03/28/2017 02:40 AM »
Will they ever launch this thing ?. I've been hearing this thing grom 1998. I think i  still have paper cuttings regarding the news about this.

someday


The problem lies with the PR department. They are so over enthusiastic that they reveal the news immediately thought comes in mind even before the actual work starts. Just like move publicity.  Actually  even the tentative schedule should not be released for public in prior. This would create pressure on the actual resources working on the things.

Offline sojoner

Well really a time test for people who are in follow up after PSLV C-37 Launch.They must be having some issue as they had full 45 days post PSLV launch. I think it will slip off to May/June most likely. Yes i do agree they should use better PR for people like us who really follow launch dates like GOD. Just kidding...
« Last Edit: 03/29/2017 01:42 PM by sojoner »

Offline vineethgk

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - early June 2017
« Reply #87 on: 04/19/2017 12:59 PM »
LVM3-D1 targeted for next month
Quote
“Next month, we have scheduled the launch of GSLV-Mk III-D1”, Kiran Kumar told PTI.

The Bengaluru-headquartered space agency plans to undertake the second developmental flight within a year.

The GSLV-Mk III-D1 launcher would carry GSAT-19 satellite which has a mass of 3200 kg.

The satellite would carry Ka and Ku band payload along with a Geostationary Radiation Spectrometer (GRASP) payload to monitor and study the nature of the charged particles and influence of space radiation on spacecraft and electronic components.

The satellite would employ advanced spacecraft technologies including bus subsystem experiments in electrical propulsion system, indigenous Li ion battery and indigenous bus bars for power distribution, among others.

But very likely to slip to June considering the turn around time required for SLP..
« Last Edit: 04/19/2017 01:02 PM by vineethgk »

Offline sanman

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Offline chota

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - early June 2017
« Reply #90 on: 05/02/2017 05:37 PM »
So will it have the Ogival fairing, canted nose cones of boosters and with truss area closed ?  :)



Offline sanman

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - early June 2017
« Reply #91 on: 05/02/2017 11:09 PM »
So will it have the Ogival fairing, canted nose cones of boosters and with truss area closed ?  :)

That looks to be the evolution - I didn't understand why the interstage truss thing was open like that in the first place, although it looked unique and stylish.  ;)
You'd think that the exposed trusses would cause more aerodynamic turbulence as compared to a smooth covering.

Offline vineethgk

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - early June 2017
« Reply #92 on: 05/03/2017 05:17 AM »
So will it have the Ogival fairing, canted nose cones of boosters and with truss area closed ?  :)


The canted nose cones for the boosters is kind of guaranteed, I think. I remember seeing (in a different forum) a satellite photo of SLP that was taken a few months back which showed two S-200s on its launch pedestral, possibly for launch pad tests. Though the image wasn't very clear, the boosters did seem to have canted nose cones.

EDIT: Too bad that ISRO hasn't made the effort to put out to us the new design of the LV, eventhough we are barely 2 months from launch. All we have is the low res pic taken from a ppt.
« Last Edit: 05/03/2017 05:20 AM by vineethgk »

Offline vineethgk

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - early June 2017
« Reply #93 on: 05/04/2017 05:03 AM »
Quote
Meanwhile Isro is also gearing up to launch its heaviest rocket GSLV-Mk III later this month and preparations are on for that at the rocket port. “The rocket’s first and second stage or engines have been integrated. The satellite GSAT-19 and the cryogenic engine are also at the Sriharikota,” an official said.

Source

Offline isro-watch

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - early June 2017
« Reply #94 on: 05/10/2017 04:00 AM »
Launch is expected on June-05-2017

Offline vyoma

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - early June 2017
« Reply #95 on: 05/11/2017 11:39 PM »
GSAT-19 was flagged off from ISAC to SHAR on 1st May 2017: http://www.isac.gov.in/flagoff-GSAT-19.jsp

Offline worldtimedate

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - early June 2017
« Reply #96 on: 05/12/2017 04:45 AM »
Launch is expected on June-05-2017

What is your source to back your claim ? According to LPSC Director S. Somnath, LVM3 is set to be launched by May end with no specific date mentioned. But as it is the first orbital launch, it may be delayed for a few days. Solid boosters and the L-110 stage were there for a long time, if I am not mistaken.

Quote
LPSC director S Somnath had earlier said that the GSLV-Mk III is set to launch the communication satellite GSAT-19 by May end and then Earth observation satellite Cartosat-2E will be launched via PSLV-C38 by June first week.

Source :Isro centres turn focus on launch of GSAT-19

worldtimedate [ http://www.world-timedate.com/ ]

Offline sanman

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« Last Edit: 05/12/2017 12:22 PM by sanman »

Offline vineethgk

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - June 5, 2017
« Reply #98 on: 05/19/2017 01:30 PM »
GSLV Mk3 cryo-stage integrated with vehicle, satellite being prepared for integration
Quote
"Preparations are going on in full swing...And right now, the cryogenic stage (is) also integrated with the vehicle. The satellite is also getting prepared," Vikram Sarabhai Space Centre (VSSC) Director K Sivan told reporters here on the sidelines of a function.

"Maybe in a week's time, we will be able to assemble the satellite along with the vehicle. We are targeting the launch in the first week of June," he said.

However, Sivan said the exact date for the launch of GSLV Mark III is yet to be finalised.

Offline vineethgk

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - June 5, 2017
« Reply #99 on: 05/19/2017 05:16 PM »
It seems ISRO plans to have three development flights of LVM3/GSLV Mk III before the launcher is declared operational, rather than the usual count of two. This does not include the suborbital LVM3-X we had back in 2014.

Quote
GSAT-19 will also mark the first of three, full-fledged tests of GSLV Mark-III launcher (ISRO’s heaviest rocket) before it is officially declared operational.

Source

Offline worldtimedate

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - June 5, 2017
« Reply #100 on: 05/20/2017 11:17 PM »
Quote
The Indian Space Research Station (ISRO), in an attempt, at a new age of high-speed internet in India, will be launching three communications satellites, namely GSAT-19, GSAT-11 and GSAT-20 in the next 18 months, Indian Express reported.

Tapan Misra, the Director of the Ahmedabad-based Space Applications Centre (SAC) spoke to the Indian Express and said, "The next big launch will be GSAT-19 in June" With this launch, we will begin a new age of communication satellites. It is also the beginning of high-throughput satellites (in India)." "The effective data rate of GSAT satellites is one gigabyte per second. GSAT-19 will be able to transfer data at four gigabytes per second, thus making it equivalent to four satellites".

The ISRO scientist informed that the GSAT-11, which is one of the heaviest satellites built by the ISRO was scheduled to be launched in January 2018. He said that the GSAT-11 would be having the data rate of 14 GB per second. "We plan to launch GSAT-20 by the end of next year. We plan to cover the entire nation with a satellite that will offer a data rate of 70 gigabytes per second. This is in sync with the requirement of high data-rate transmission needed by smart cities," Misra said. The GSAT-19 would mark the first of three tests of the GSLV Mark-III launcher before it was officially declared operational.

Source :ISRO to launch 3 GSAT satellites in 18 months to boost internet speeds in India

worldtimedate [ http://www.world-timedate.com/ ]

Offline vineethgk

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - June 5, 2017
« Reply #101 on: 05/21/2017 07:24 AM »
Looks to me like ISRO has perhaps officially abandoned the earlier 'LVM3' name in favor of 'GSLV MkIII' going by the mission page. (Not that this name is particularly great either, IMO).

The launcher description page still use the name LVM3 though.

Offline russianhalo117

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Re: LVM3 (GSLV MkIII)-D1 - SLP - GSAT-19E - June 5, 2017
« Reply #102 on: 05/22/2017 08:48 PM »
Looks to me like ISRO has perhaps officially abandoned the earlier 'LVM3' name in favor of 'GSLV MkIII' going by the mission page. (Not that this name is particularly great either, IMO).

The launcher description page still use the name LVM3 though.
AFAIK: 'GSLV MkIII' is the operational name and 'LVM3' is development project name. Same has been done with past ISRO launchers.

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