ISRO successfully test-fires GSLV-Mark III rocket engine

ISRO has successfully test-fired Geosynchronous Satellite Launch Vehicle (GSLV) Mark III project’s high-thrust cryogenic rocket engine.
It is India’s first indigenously designed and developed high-thrust cryogenic rocket engine capable of generating a nominal thrust of 19 tonnes.
Test: It was conducted at ISRO’s Propulsion Complex at Mahendragiri in Tamil Nadu for 800 seconds time frame which produces 25 per cent more thrust than the burn duration of the engine during flight. The test meet all its parameters.

About high-thrust cryogenic rocket engine

The engine operates on Gas Generator Cycle. It uses extremely low temperature propellants such as Liquid Hydrogen at -2530 C and Liquid Oxygen at -1930 C.
Integration and assembly of the engine and its testing were carried out in ISRO Propulsion Complex (IPRC), a unit of ISRO.
This high-thrust cryogenic rocket engine will used to power Cryogenic stage (C25) i.e. the upper stage of the next generation GSLV Mk-III rockets. The rockets are aimed at carrying four-tonne payloads, including future manned missions.
This successful test will help ISRO to master this complex, high-performance cryogenic propulsion technology which will further help in building self-reliance for the Indian space programme



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