Indian space agency has achieved milestone in semicryogenic propulsion system-
Indian space agency-ISRO has successfully done its hot test of semicryogenic engine project, which make it important steps toward developmet of cost-effective propulsion system for upcoming space missions.
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| ISRO's hot test of semicryogenic engine |
Here we know more about ISRO's milestone achievement-
Key Achievements
- Successful Hot Test: ISRO recently conducted a short-duration hot test of its semicryogenic engine at the ISRO Propulsion Complex in Mahendragiri, Odisha, on April 24, 2025. This ignition test conducted on April 24 is the second milestone after the successful first hot test on March 28, 2025, that was a major breakthrough in the testing of the Semicryogenic engine test programme, the space agency said. The test validated the engine's start-up sequence and stable performance at 60% power. Which is more better then its previous generation propulsion engine.
- Ignition Test: In May 2024, ISRO successfully conducted an ignition test for its next-generation launch vehicles, demonstrating the engine's starting sequence and pre-burner functionality.
- Engine Development: The semicryogenic engine utilizes liquid oxygen and kerosene, offering higher efficiency and thrust for high payload capacity while reducing operational costs.
Future Plans
- Integration into Launch Vehicles: ISRO plans to the semicryogenic engine into its future launch vehicles, enhancing India's space capabilities, particularly for heavy-lift missions which make india to do more great space missions in near future.
- Unified Launch Vehicle (ULV) Program: The semicryogenic engine is being developed for the ULV program, which aims to replace existing launch vehicles like the PSLV and GSLV series.
- Potential Use in Gaganyaan Missions: The engine may also be used in Gaganyaan missions, marking a significant step in India's human spaceflight program .
According to ISRO, these tests are part of a planned series of evaluations designed to validate the design integrity and performance of critical subsystems, including the low-pressure and high-pressure turbo pumps, pre-burner and associated control systems.
The results provided crucial data to finalise the operational sequencing of the full Semicryogenic engine.
"Further qualification tests are scheduled to comprehensively validate the engine system, ultimately paving the way for its induction into ISRO's launch vehicles," it added.