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The development of Cryogenic Upper Stage for Geo-synchronous
Satellite Launch Vehicle (GSLV) has crossed another milestone
(on 30 March) with the successful test firing of the indigenous
cryogenic engine for a duration of 12 minutes. The test
was carried out at the Mahendragiri complex in Tamil Nadu.
This hot test was preceded, in the last few weeks, by four
shorter duration tests of 10, 40, 40 and 200 seconds.
The
cryogenic engine development has been a challenging task
with breakthroughs needed with respect to many disciplines
including analytical tools, material characterization, fabrication
processes, test facility establishment, handling of cryogenic
fluids and finalisation of test sequence.
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