Author Topic: LIVE: GSLV MkIII-D1 - SLP - GSAT-19 - June 5, 2017 (11:58 UTC)  (Read 80696 times)

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 »

Offline vyoma

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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.

Offline chota

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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 !!

Offline chota

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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"

Offline vineethgk

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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..

Offline vineethgk

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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 »

Offline vyoma

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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.

Offline chota

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Offline zubenelgenubi

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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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Offline vineethgk

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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 »

Offline chota

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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 »

Offline 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

Offline chota

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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

Offline zubenelgenubi

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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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Offline baldusi

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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 »

Offline baldusi

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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?

Offline vineethgk

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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 »

Offline baldusi

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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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