Author Topic: RLV-TD HEX-01 (Suborbital), May 23, 2016  (Read 153898 times)

Offline Ohsin

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Re: RLV-TD HEX-01 (Suborbital), mid-2015
« Reply #20 on: 05/14/2015 11:43 pm »
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The agency has already transported and positioned boosters for the launch expected in second half of this year. It will begin assembling the vehicle in 8-10 weeks.

"The launch was to happen sometime in mid-2015, but there's been a delay as we decided to complete our commercial launches first," a senior Isro official said. With the crew module recovery tests done, the next crucial test will be to test the RLV-TD for the Hypersonic Experiment Mission-01 (HEX-01).

"As with the crew module test, there'll be no people aboard this vehicle. We will test the technology, which has been worked upon for over half-a-decade," an Isro spokesperson said

Source
"Well, three cheers to Sharma, but our real baby is INSAT."

Offline abhishek

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Re: RLV-TD HEX-01 (Suborbital), mid-2015
« Reply #21 on: 05/20/2015 12:06 pm »
Futuristic Unmanned Space Shuttle Getting Final Touches

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ISRO has tentatively slated the prototype’s test flight from the first launchpad of Sriharikota spaceport for July this year, but the date would be finalised depending on the completion of construction.

The proposed RLV is designed in two parts; a manned space plane rigged atop a single stage, booster rocket using solid fuel. The rocket is expendable while the RLV would fly back to earth and land like a normal aeroplane after the mission.

http://www.newindianexpress.com/states/kerala/Futuristic-Unmanned-Space-Shuttle-Getting-Final-Touches/2015/05/20/article2823997.ece
10, 9, ignition sequence start 6, 5, 4, 3, 2, 1, 0, all engines running Lift off, we have a lift off, lift off

Offline Ohsin

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Re: RLV-TD HEX-01 (Suborbital), mid-2015
« Reply #22 on: 05/22/2015 01:39 pm »
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Isro's 1.5 tonne vehicle resembling an aircraft is provisionally slated to make its maiden flight towards the end of July or August from the Satish Dhawan Space Centre, Sriharikota.

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After lift off, it will zoom to an altitude of 70km and then execute a soft landing in the Bay of Bengal. The duration of this sub-orbital mission is expected to be around 900 seconds.

The most anticipated moment will be when the vehicle re-enters the Earth's atmosphere at five times the speed of sound. An Isro engineer told TOI: "To prevent the vehicle from getting damaged (due to heat), its nose has been protected by carbon-carbon and there are about 600 heat-resistant tiles placed around the vehicle. These tiles will be able to withstand a temperature to about 1,200 degrees Celsius."

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Interestingly, after it splashes down, the vehicle will sink to the bottom of the sea and for now there are no plans to recover it.

"We have simulated different scenarios and we know what can happen. But, we have kept other options open. If there is a change of thinking at the last moment, we may seek the help of the Indian Navy and the Coast Guard to recover it," the engineer said.

http://timesofindia.indiatimes.com/home/science/India-closer-to-developing-its-own-space-shuttle/articleshow/47384132.cms
« Last Edit: 05/22/2015 01:40 pm by Ohsin »
"Well, three cheers to Sharma, but our real baby is INSAT."

Offline vyoma

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Re: RLV-TD HEX-01 (Suborbital), August 2015
« Reply #23 on: 05/23/2015 05:35 am »
http://www.dnaindia.com/scitech/report-isro-on-cusp-of-developing-made-in-india-space-shuttle-2088217

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The RLV will be initially carried by a single rocket booster with nine tonnes of propellants. It will reach the altitude of 70 km above earth and then make a landing in Bay of Bengal. The total duration of this mission will be around 900 seconds. About 600 heat-resistant carbon tiles are placed around the nose of the vehicle so that the spacecraft will be able to withstand a temperature of 1200 degrees Celsius when it re-enters the atmosphere.

After landing, the spacecraft will sink to the bottom of the sea. For now, ISRO has no plans for how to recover it. ISRO is considering seeking help of Indian Navy or Coast Guard in retrieving the shuttle.

The Rs.100 crore mission is undergoing final preparations at the Vikram Sarabhai Space Centre in Thiruvananthapuram.

Offline vyoma

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Re: RLV-TD HEX-01 (Suborbital), August 2015
« Reply #24 on: 05/29/2015 03:48 pm »
http://zeenews.india.com/news/space/rlvtd-of-isro-to-be-held-in-july-august_1604043.html

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"Preparations are now progressing to conduct the RLVTD launch either by the end of July or in the beginning of August," VSSC Director M Chandradathan, who retired from the post today, told reporters here.

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As per the present plan, RLVTD would be launched after the launch of PSLV-C20-8 scheduled for July 10.

RLVTD would be launched from the first PSLV pad at Sriharikota in the one-month period between PSLV-C20-8 and next PSLV flight, he said.

Offline vyoma

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Re: RLV-TD HEX-01 (Suborbital), August 2015
« Reply #25 on: 05/30/2015 04:50 am »
http://www.newindianexpress.com/states/kerala/ISRO-Gears-up-for-6-Major-Missions-This-Year/2015/05/30/article2839810.ece

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The RLV-TD mission, the first flight test of an unmanned, scale model of India’s own space shuttle, is second in the list. It will lift off from Sriharikota by the end of July or the beginning of August, M Chandradathan, who stepped down as director, Vikram Sarabhai Space Centre (VSSC), Thumba, told reporters here on Friday.

“The space plane part of the RLV-TD is almost ready. The thermal protection tiles, needed for withstanding the intense heat during re-entry, are being fixed atop it, and this will be completed in a month,” he said.

The space plane will be rigged on top of a small booster rocket, and from a height of 70 km, the space plane will descend to earth.  Since there is no runway at Sriharikota spaceport yet, it will come down in the Bay of Bengal. 

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‘Project Report for Airstrip Ready’

With the Indian Space Research Organisation (ISRO) fast-tracking the Reusable Launch Vehicle (RLV) project to build India’s own space shuttle, the Sriharikota spaceport in Andhra Pradesh will get an airstrip in the near future.  “The project report for constructing the strip at Sriharikota is ready,” M Chandradathan, who stepped down as director, Vikram Sarabhai Space Centre, on Friday said.  ‘’It will have to be at least 4 km in length. The project report for the airstrip was ready by 2010-11 itself. We have enough land at Sriharikota for building it,’’ he said. Unlike GSLV and PSLV, which are expendable rockets, the RLV consists of a space plane section and a booster rocket. The space plane returns to earth after the mission and can be reused.

Offline sanman

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Re: RLV-TD HEX-01 (Suborbital), August 2015
« Reply #26 on: 06/06/2015 08:19 pm »
So then there is going to be a landing experiment (LEX). And when the TSTO gets developed (hopefully) then it will be able to make use of the landing strip too.

Offline vyoma

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Re: RLV-TD HEX-01 (Suborbital), August 2015
« Reply #27 on: 06/15/2015 02:39 pm »
http://www.ndtv.com/india-news/india-to-test-reusable-launch-vehicle-next-month-isro-771814

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"This is in its initial stages. There are multiple experiments which need to be completed. The first launch is in July and this will help improve cost effectiveness. It will reduce the cost by one-tenth."

"The launch vehicle will be landing first time in the ocean and the ultimate attempt is to make it land at an air-strip at Sriharikota," ISRO chairman AS Kiran Kumar said.

Offline antriksh

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Re: RLV-TD HEX-01 (Suborbital), August 2015
« Reply #28 on: 06/22/2015 02:01 pm »
Nasadiya Sukta:
Srishti se pehle sat nahin thaa, asat bhi nahin | Antariksh bhi nahin, aakaash bhi nahin thaa | chhipaa thaa kyaa, kahaan, kisne dhakaa thaa | us pal to agam, atal jal bhi kahaan thaa ||

From: 1st verse of 129th Hymn of the 10th Book of Rig Veda

Offline Steven Pietrobon

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Re: RLV-TD HEX-01 (Suborbital), August 2015
« Reply #29 on: 06/23/2015 04:15 am »
Launch is now scheduled for September.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline antriksh

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Re: RLV-TD HEX-01 (Suborbital), September 2015
« Reply #30 on: 07/12/2015 06:11 am »
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The Indian Space Research Organisation (ISRO) is now aiming for an October-end launch for the Reusable Launch Vehicle-Technology Demonstrator (RLV-TD), a scaled-down model of the proposed ‘space shuttle’.

Earlier, the space agency was planning to have the mission in July. K Sivan, director, Vikram Sarabhai Space Centre (VSSC), said the construction of the space plane portion of RLV-TD is in its final phase at VSSC, Thumba. “Tests are progressing. We are planning to have the launch in the second half of October,” the director said.

Source
« Last Edit: 07/12/2015 06:12 am by antriksh »
Nasadiya Sukta:
Srishti se pehle sat nahin thaa, asat bhi nahin | Antariksh bhi nahin, aakaash bhi nahin thaa | chhipaa thaa kyaa, kahaan, kisne dhakaa thaa | us pal to agam, atal jal bhi kahaan thaa ||

From: 1st verse of 129th Hymn of the 10th Book of Rig Veda

Offline vyoma

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Re: RLV-TD HEX-01 (Suborbital), September 2015
« Reply #31 on: 07/14/2015 01:14 am »
http://indiatoday.intoday.in/story/isro-a.s-kiran-kumar-reusable-launch-vehicle/1/451102.html

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ISRO Chairman A.S. Kiran Kumar said in Thiruvananthapuram that the space agency will be testing new frontiers and will have a technology demonstration of the much-anticipated reusable launch vehicle (RLV) in October.

The RLV will have a winged body and is eventually intended to fly into outer space, launch a satellite and then return and land on a runway like an airplane. However, for the first test demo, a scaled-down version will fly only up to 90 km and return closer to the ocean. "We still have a long way to go," said Kumar.

For the next few months, the space agency will be busy: GSLV Mk-II will be launched in August, followed by GSAT-6, the dedicated astronomy satellite Astrosat, the advanced communication satellite GSAT-15 in November and three Indian Remote Sensing (IRS) satellites. He said ISRO wants to scale-up capabilities to have at least 10 launches a year.

Offline Ohsin

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Re: RLV-TD HEX-01 (Suborbital), September 2015
« Reply #32 on: 07/17/2015 04:16 pm »
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The technology demonstrator flight of reusable satellite launch vehicle (RSLV) will be held in October end, before its final launch, Isro chairman A S Kiran Kumar said after the mission readiness meet in Vikram Sarabhai Space Centre (VSSC) on Monday.

"It includes simulation tests like a regular aircraft landing experiment and integration with scramjet propulsion engine for which subsequent research has been initiated. The budget for the demo flight is Rs 3 crore while the total mission cost will be higher," he said.

*emphasis mine

http://timesofindia.indiatimes.com/home/science/RSLV-tech-demo-flight-by-October-Isro-chief/articleshow/48116645.cms
"Well, three cheers to Sharma, but our real baby is INSAT."

Offline Ohsin

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Re: RLV-TD HEX-01 (Suborbital), December/January 2015-16
« Reply #33 on: 10/02/2015 01:26 am »
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“Some more work is pending on the technology demonstrator. We have a few tests to complete and we will have the mission either towards December end or by the beginning of next year,” said VSSC director Dr K Sivan
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RLV-TD, which will be unmanned, comprises a space plane-like part riding atop a booster rocket. It will be launched from the Satish Dhawan Space Centre, Sriharikota. The RLV-TD weighs 1.5 tonnes and it will glide back to earth from a height of 70 kilometres. ISRO, which has twice successfully demonstrated the re-entry technology, plans to recover the RLV-TD from the Bay of Bengal.

http://www.newindianexpress.com/states/kerala/RLV-TD-Mission-to-be-Delayed-At-least-Till-the-Year-End/2015/10/02/article3058357.ece
"Well, three cheers to Sharma, but our real baby is INSAT."

Offline worldtimedate

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Re: RLV-TD HEX-01 (Suborbital), November 2015
« Reply #34 on: 10/02/2015 08:29 am »
From January of this year, I have been hearing of the possible suborbital test of RLV, first one in March, then delayed to July, October, now towards the end of this month or next year. ISRO again has failed to stick to the launch schedule.

Had the RLV not been ready for test, why was ISRO in a haste to make public announcement of its forthcoming test, but only to delay it eventually ?

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Offline antriksh

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Re: RLV-TD HEX-01 (Suborbital), December/January 2015-16
« Reply #35 on: 10/02/2015 01:43 pm »
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“Some more work is pending on the technology demonstrator. We have a few tests to complete and we will have the mission either towards December end or by the beginning of next year,” said VSSC director Dr K Sivan
.
.
RLV-TD, which will be unmanned, comprises a space plane-like part riding atop a booster rocket. It will be launched from the Satish Dhawan Space Centre, Sriharikota. The RLV-TD weighs 1.5 tonnes and it will glide back to earth from a height of 70 kilometres. ISRO, which has twice successfully demonstrated the re-entry technology, plans to recover the RLV-TD from the Bay of Bengal.

http://www.newindianexpress.com/states/kerala/RLV-TD-Mission-to-be-Delayed-At-least-Till-the-Year-End/2015/10/02/article3058357.ece

Great, they gonna recover it!! the HW can be reused expediting next missions. I hope for at least two HEX next year. They already have two prototypes. Hopefully by 2020, we are done with HEX, LEX and REX.
Nasadiya Sukta:
Srishti se pehle sat nahin thaa, asat bhi nahin | Antariksh bhi nahin, aakaash bhi nahin thaa | chhipaa thaa kyaa, kahaan, kisne dhakaa thaa | us pal to agam, atal jal bhi kahaan thaa ||

From: 1st verse of 129th Hymn of the 10th Book of Rig Veda

Offline Ohsin

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Re: RLV-TD HEX-01 (Suborbital), End December 2015
« Reply #36 on: 10/02/2015 10:03 pm »
Question is if there were no plans of recovering it would they have installed any system to aid it? And does it have any such systems to begin with or are they relying on its natural buoyancy?
"Well, three cheers to Sharma, but our real baby is INSAT."

Offline antriksh

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Re: RLV-TD HEX-01 (Suborbital), End December 2015
« Reply #37 on: 10/03/2015 01:37 pm »
Question is if there were no plans of recovering it would they have installed any system to aid it? And does it have any such systems to begin with or are they relying on its natural buoyancy?

if they want to recover it then they will install buoyancy system similar to SRE. perhaps delay is due to this. 
Nasadiya Sukta:
Srishti se pehle sat nahin thaa, asat bhi nahin | Antariksh bhi nahin, aakaash bhi nahin thaa | chhipaa thaa kyaa, kahaan, kisne dhakaa thaa | us pal to agam, atal jal bhi kahaan thaa ||

From: 1st verse of 129th Hymn of the 10th Book of Rig Veda

Offline antriksh

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Re: RLV-TD HEX-01 (Suborbital), End December 2015
« Reply #38 on: 10/03/2015 03:33 pm »
More testing this year: force measurement
Nasadiya Sukta:
Srishti se pehle sat nahin thaa, asat bhi nahin | Antariksh bhi nahin, aakaash bhi nahin thaa | chhipaa thaa kyaa, kahaan, kisne dhakaa thaa | us pal to agam, atal jal bhi kahaan thaa ||

From: 1st verse of 129th Hymn of the 10th Book of Rig Veda

Offline chota

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