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Which space company has developed ‘EVEREST’, an 80-tonne-class full-flow staged combustion rocket engine?
Agnikul Cosmos
Bellatrix Aerospace
Skyroot Aerospace
Astrobase Space Technologies
Astrobase Space Technologies
Bengaluru-based startup Astrobase Space Technologies unveiled India's first 80-tonne-class Full-Flow Staged Combustion (FFSC) rocket engine named 'EVEREST' on August 7, 2026.
The development of the 'EVEREST' engine represents a major technological leap for India's private space sector, placing the nation in an elite club alongside Russia, the USA, and China as possessors of FFSC propulsion technology. FFSC architecture is highly complex and efficient, utilizing liquid oxygen and liquid methane to power reusable launch vehicles. This breakthrough is essential for India's future goals in high-cadence, cost-effective orbital launches. The company aims for the maiden orbital flight of its medium-lift launch vehicle, which will be powered by this engine, by December 2028.
Engine Name: EVEREST
Thrust Class: 80-tonne (800 kilonewton)
Propellant Combination: Liquid oxygen and liquid methane
Unveiling Date: August 7, 2026
Target Launch Date: December 2028
D is correct — Astrobase Space Technologies successfully developed the 800 kN EVEREST engine, marking India's entry into the elite global league of FFSC engine manufacturers.
To remember this, associate the engine name 'EVEREST' with the peak of complexity in rocket science, as FFSC engines are among the most difficult to engineer due to the high-pressure handling of both fuel and oxidizer.