Gaganyaan: A Step Forward In Manned Launch.. Key Crew Module Test Successful

Another key test was successful in the Ganganyaan Mission, which was carried out by the Indian Space Research Organization (ISRO). The bipropellant-based propulsion system, which provides axis control (pitch, yaw, roll) to the astronauts after the service module detaches during the spacecraft’s re-entry to Earth, was successfully completed on Thursday. ISRO said the long-term final preparatory test of the human-rated L110-G Vikas engine was completed on April 6 with a planned duration of 240 seconds. It is a major milestone in the Gaganyaan manned space mission.

The module was tested at the ISRO Propulsion Complex (IPRC) in Mahendragiri, Tamil Nadu, and the engine has successfully completed all qualification tests, the Indian Space Research Organization said in a statement. This parachute based system extends from 170 km to 7 km altitude. ISRO said that the tests were conducted at the principal test stand in a phased manner. A manned spacecraft has a hardware reliability of 0.99. The Vikas engine uses storable propellants in a pump-fed gas generator cycle.

The Human Rated Vikas sub-system developed by IPR has higher construction margins, better assimilation process, additional criteria for health monitoring. Human-rated engine development hot tests were conducted step by step in the IPRC. Nine engines completed 14 hot tests with a cumulative duration of 1,215 seconds, including four long duration tests of 240 seconds each.

Two successive unmanned launches were to be carried out as part of the Gaganyaan mission. The corona Pandemic has seriously affected the first and second phase of the Gaganyaan mission. An ISRO official said.. ‘Industrial companies are preparing the hardware for the mission.. but it could not be supplied on time due to lockdown in different parts of the country.

Official sources said that ISRO will also take the help of French, Russian and American space agencies for some critical operations and supply of components. Gaganyaan aims to send astronauts into low Earth orbit and return them safely to Earth. Union Science and Technology Minister Jitendra Singh said in the Lok Sabha that the LVM3-G2 test vehicle mission with robotic payload has also been undertaken. It plans to launch a manned mission by the end of 2024 based on other successful results.

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