Launch Vehicle Mark-III

Launch Vehicle Mark-III


  • The Indian Space Research Organisation (Isro) has successfully tested the indigenously developed cryogenic engine that will power its heaviest rocket, the LVM-3.

About Launch Vehicle Mark-III

  • The Launch Vehicle Mark-III went through the hot test at an uprated thrust level of 21.8 tonnes for the first time.
  • Isro said that the objective behind the hot fire was to test that the engine can support a payload capability of up to 450 kg with additional propellant loading.

    Launch Vehicle Mark-III
    Photo Credit: ISRO
  • This will enhance the LVM3 payload capability up to 450 kg with additional propellant loading.
  • The CE20 cryogenic engine that was tested on Wednesday has gone through major modifications compared to previous engines with Thrust Control Valve (TCV) for thrust control being introduced in the system.
  • ISRO said that in addition to it, 3D-printed LOX and LH2 turbine exhaust casings were inducted into the engine for the first time.
  • The Indian space agency had recently launched the LVM-3 on a mission to deploy 36 satellites into Low Earth Orbit as part of a contract between OneWeb and InSPACE.
  • OneWeb had signed a deal worth more than Rs 1000 crore for the launch and another GSLV launch carrying OneWeb payload is expected to launch in January of 2023.
  • The satellite constellation was launched onboard the Launch Vehicle Mark-III, which is a redesignated version of the Geosynchronous Launch Vehicle (GSLV Mk-III), from the Satish Dhawan Space Centre in Sriharikota.
  • It was the first commercial launch for LVM-3. The satellites are a part of the 468 satellite constellation of OneWeb released into Leo Earth Orbit to provide Internet access to areas that are impossible to provide.

Source: India Today

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