ISRO set to launch GSLV-D3

Bangalore, Apr 2 (PTI) ISRO is preparing to launch a
geosynchronous satellite launch vehicle (GSLV-D3), powered for
the first time by a home-made cryogenic engine, from
Sriharikota spaceport this month, its chief K Radhakrishnan
said on Friday.

"Preparations are going on. The final reviews are also
taking place. It could be any day from April 15 (at around
16.30 hours), which is the first available opportunity", he
told PTI.
GSLV-D3 would carry on board GSAT-4 experimental
satellite in which ISRO is also testing some new things.
He said the indigenous development of complex
cryogenic rocket technology after years of effort is a reply
to technology denial regimes and termed the endeavour
"marvellous".
"Significance in terms of (cryogenic) technology
development has been a marvellous thing", he said.
"In 1992, we wanted to get this technology from
Russia, and the Americans put a sanction on Russia not to
transfer this technology and India took a bold decision to
develop it. So, we have done it", he said.
"This is a flight-testing of that (indigenous
cryogenic) stage," Radhakrishnan said.
Indigenously developed Cryogenic Upper Stage (CUS)
being used for the first time in GSLV-D3 is fully qualified
having undergone the full flight duration test of 800 seconds
successfully. The indigenous CUS would be used in place of
Russian cryogenic stage employed so far in GSLV.
"The development of cryogenic engines involves
mastering several complex disciplines such as materials
technology, operating rotary pumps and turbines that run at
42,000 rpm at cryogenic temperatures. The development of
cryogenic technology in the country has given the coveted
status of total self-reliance in launch vehicle technology",
he said.(MORE) PTI RS
JVN


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