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ISRO Successfully Tests Fully Indigenous Semi-Cryogenic Engine.

Science & Technology | Dated: 17 Apr 2026

Achieving an absolutely massive breakthrough in rocket propulsion, ISRO successfully conducted a flawless hot test of a completely indigenous semi-cryogenic engine. The highly powerful engine uses refined kerosene and liquid oxygen to generate immense thrust.

🎯 Key Highlights:

  • The test was rigorously conducted at the ISRO Propulsion Complex in Mahendragiri.
  • This engine will efficiently replace the existing liquid core stages in heavy rockets.
  • It drastically increases the payload capacity of the LVM3 launch vehicle.

💡 Other Important Facts:

  • Technology: Semi-Cryogenic.
  • Propellant: Kerosene & LOX.
  • Agency: ISRO.

📚 Test Your Knowledge:

ISRO recently conducted a flawless hot test of a highly powerful engine using refined kerosene and liquid oxygen. What type of engine is this?

Correct Answer: Semi-Cryogenic Engine

🚀 Quick Recap:

About Semi-Cryogenic Technology

  • Propellants - Isocine (Refined Kerosene) and Liquid Oxygen
  • Advantage - Higher thrust and eco-friendly compared to older toxic fuels