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ISRO’s heaviest LVM3 rocket payload capacity increased to 450kg with successful engine test


ISRO announced on Thursday that the payload capacity of India’s heaviest LVM3 rocket has been increased to 450kg with a successful engine test. According to the Indian Space Research Organization, the indigenously developed CE20 cryogenic engine for Launch Vehicle Mark 3 (LVM3) has undergone a successful hot test at up to 21.8 tonnes of thrust for the first time. on November 9, the country’s national space agency. based here said in a statement.

“This will increase the LVM3 payload capacity up to 450 kg with additional propellant loading”, ISRO speak. The space agency adds that the major modifications made in this test paper compared to previous engines are the introduction of Thrust Control Valve (TCV) to control thrust.

“In addition, the 3D printed LOX and LH2 turbine exhaust casings were introduced into the engine for the first time. During this test, the engine operated with approximately 20 tons of thrust for the first 40 seconds, then the level after that. Thrust is increased to 21.8 tons. Move the thrust control valve,” the statement said.

“During the test, the engine and equipment operation remained normal and the required parameters were achieved,” it said.

LVM3, a three-stage vehicle with two solid propulsion belts, a liquid propellant core stage and a cryogenic stage, is capable of launching a 4-ton layer of satellites into asynchronous orbit.

On Wednesday, the Indian Space Research Organization stated that they are preparing for the first runway landing test (RLV-LEX) of the Technology Demonstration – Reusable Launch Vehicle (RLV-TD) from the aviation test range in Chitradurga district of Karnataka, with its Chairman S Somanath said that the weather is being monitored.

“We are looking at the climate. The climate is still not good. So we are waiting for the wind and other systems to become benign. We will do it,” said Somanath, also secretary of the Department of Space. , told PTI.

According to ISRO officials, the wing fuselage of the RLV will be lifted by helicopter to an altitude of 3 to 5 km and dropped at a distance of about 4 to 5 km in front of the runway at horizontal speed. Once released, the RLV will glide, navigate towards the runway and land automatically using the landing gear in the defense airfield near Chitradurga.


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