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Mahesh

15/10/22 06:53 AM IST

ISRO’s Next-Gen Launch Vehicle

In News 
  • Indian Space Research Organisation (ISRO) is developing a Next-Gen Launch Vehicle (NGLV) to replace operational systems like the Polar Satellite Launch Vehicle (PSLV).
Features 
  • In NGLV, ISRO is looking at a cost-efficient, three-stage to orbit, reusable heavy-lift vehicle with a payload capability of ten tonnes to Geostationary Transfer Orbit (GTO).
  • Its robust design allows bulk manufacturing, modularity in systems, sub-systems and stages and minimal turnaround time.
  • It will feature semi-cryogenic propulsion (refined kerosene as fuel with liquid oxygen (LOX) as oxidiser) for the booster stages.
  • Potential uses will be in launching communication satellites, deep space missions, future human spaceflight and cargo missions.
Other launch vechicle of ISRO 
  • Satellite Launch Vehicle (SLV): The first rocket developed by ISRO was simply called SLV, or Satellite Launch Vehicle.
  • It was followed by the Augmented Satellite Launch Vehicle or ASLV.
  • Augmented Satellite Launch Vehicle (ASLV): SLV and ASLV both could carry small satellites, weighing up to 150 kg, to lower earth orbits.
  • ASLV operated till the early 1990s before PSLV came on the scene.
  • Polar Satellite Launch Vehicle (PSLV): PSLV’s first launch was in 1994, and it has been ISRO’s main rocket ever since. Today’s PSLV, however, is vastly improved and several times more powerful than the ones used in the 1990s.
  • It is the first Indian launch vehicle to be equipped with liquid stages.
  • PSLV is the most reliable rocket used by ISRO to date, with 52 of its 54 flights being successful.
  • It successfully launched two spacecraft – Chandrayaan-1 in 2008 and Mars Orbiter Spacecraft in 2013 – that later travelled to Moon and Mars respectively.
Source- The Hindu 

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