Satellites: India
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Geosynchronous Satellite Launch Vehicle
GSLV has had a chequered past The Times of India 2013/08/20 Arun Ram TNN
India’s efforts to power Geosynchronous Satellite Launch Vehicle with indigenous cryogenic engine continue to be jinxed.
The Indian Space Research Organization (Isro) in Aug 2013 called off the launch of the GSLV-D5 after scientists detected a leak in the second stage liquid propellant tank.
The GSLV-D5 launch is crucial as it would demonstrate the country’s ability to develop and use cryogenic engines that are a requisite for the launch of big telecommunication satellites and Isro’s ambitious projects, including manned missions. PSLVs, which India has mastered, can only carry satellites weighing less than 1,500kg.
History
Postponing GSLV flights at the last moment is not new to the somewhat-jinxed three-stage rocket.
The first mission of this rocket was scrubbed following a technical snag and a fire when the countdown hit the zero mark at Sriharikota 12 years ago on March 30, 2001. The countdown was progressing smoothly, and since it was the maiden flight of a new rocket, foreign countries were keenly watching the mission.
The mood was a mixture of excitement and nervous apprehension, till the countdown hit the zero mark and an Isro official announced ‘fire, fire’ over the public address system and declared that the launch was scrubbed. The rocket was back on the launchpad within two weeks and was launched on April 18, 2001. It was only a partial success because the satellite, GSat-1, failed to achieve its orbit. The postponement of the launch on Monday has also raised serious questions about the schedule of India’s second lunar mission, Chandryaan-2, which will use this rocket. Provisionally, it is slated for lift off in 2016.
If this rocket had maintained a good track record, India would not have depended upon Arianespace to launch its two to 2.5-tonne communication satellites. Of the seven flights between 2001 and 2010, only two have been fully successful.
