The Indian Space Research Organisation (ISRO) has successfully demonstrated the boot-strap mode start test on the CE20 Cryogenic engine which powers the upper stage of the Launch Vehicle Mark -3 (LVM3) rocket.

The test on the CE20 cryogenic engine, which was successfully conducted under vacuum conditions in the High-Altitude Test (HAT) facility at ISRO Propulsion Complex, Mahendragiri on November 7, for a duration of 10 seconds is an important development towards enhancing the restart capability and mission flexibility of future LVM3 flights.

Though the CE20 cryogenic engine, powering the LVM3 upper stage, is already qualified for operation at thrust levels ranging from 19 to 22 tonnes in flight with a single start, and also for the Gaganyaan missions, during nominal operation, the engin

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