Launch Vehicle Mark-3

Context: New Space India Ltd (NSIL) has released a Request for Qualification (RFQ) document inviting Indian industry partners for productionising Indian Space Research Organisation’s heavy lift launcher, Launch Vehicle Mark-3 (LVM-3) under a PPP framework. This collaboration aims towards manufacturing LVM-3s in increased numbers and over a longer period of time.

About LVM-3: 

  • Launch Vehicle Mark-3 or LVM3 (previously referred as the Geosynchronous Satellite Launch Vehicle Mark III or GSLV Mk III) is a three-stage heavy-lift launch vehicle developed by the Indian Space Research Organisation (ISRO).
  • LVM-3 has a lift-off mass of 640 tonnes and is 43.5 m tall, and gives ISRO self-reliance in launching heavier communication satellites.
  • LVM3 has a higher payload capacity than its predecessor GSLV Mk II.
    • Payload capacity: 
      • 4,000 kilograms to geosynchronous transfer orbit (GTO).
      • 10,000 kilograms to low Earth orbit (LEO).
image 34
  • It is a three-stage launch vehicle consisting of:
    • Two solid propellant S200 Strap-ons
    • Core stages comprising of L110 liquid stage
    • C25 cryogenic stage
  • The EA has the spacecraft, Payload Adaptor (PLA) and the Payload fairing (PF).
  • Primarily designed to launch communication satellites into geostationary orbit. It is also due to launch crewed missions under the Indian Human Spaceflight Programme (Gaganyaan Mision).
  • The LVM3 has launched CARE, India's space capsule recovery experiment module, Chandrayaan-2 and Chandrayaan-3 (India's second and third lunar missions) and will be used to carry Gaganyaan, the first crewed mission under Indian Human Spaceflight Programme.

About New Space India Limited (NSIL): 

  • NSIL is the commercial arm of ISRO with a mandate to enable Indian industries to scale up high-technology manufacturing and production bases in the country for meeting the emerging domestic and international space programme needs.
  • Established: 2019
  • It is a Public Sector Undertaking (PSU) of the Government of India and is under the administrative control of the Department of Space.
  • As part of Space Sector reforms, announced by the Government of India in 2020, and the Indian Space Policy 2023, activities opened up for enhanced private sector participation. 

Prelims Previous Year Question (2014):

Q. Which of the following pairs is/are correctly matched?

         Spacecraft                                   Purpose

1. Cassini-Huygens              :         Orbiting the Venus and transmitting data to the Earth

2. Messenger                       :         Mapping and investigating the Mercury

3. Voyager 1 and 2              :         Exploring the outer solar system

Select the correct answer using the code given below:

(a) 1 only

(b) 2 and 3 only

(c) 1 and 3 only

(d) 1, 2 and 3

Answer: (b)


Practice Question for Prelims:

Q. Consider the following statements:

1. LVM-3 is primarily designed to launch spacecraft to Geostationary orbit (GEO).

2. LVM-3 is a two-stage launch vehicle consisting of two solid propellants.

3. LVM-3 has launched India’s Space Capsule Recovery Experiment Module (CARE).

How many of the statements given above is/are correct?

(a) Only one

(b) Only two

(c) All three

(d) None

Answer: (b) (only statement 2 is incorrect)

Note: 

Geostationary orbit (GEO): Satellites in geostationary orbit (GEO) circle Earth above the equator from west to east following Earth’s rotation, taking 23 hours 56 minutes and 4 seconds, by travelling at exactly the same rate as Earth. This makes satellites in GEO appear to be ‘stationary’ over a fixed position. In order to perfectly match Earth’s rotation, the speed of GEO satellites should be about 3 km per second at an altitude of 35,786 km. This is much farther from Earth’s surface compared to many satellites.
Transfer orbits and geostationary transfer orbit (GTO): Transfer orbits are a special kind of orbit used to get from one orbit to another. Often, the satellites are instead placed on a transfer orbit: an orbit where, by using relatively little energy from built-in motors, the satellite or spacecraft can move from one orbit to another. This allows a satellite to reach, for example, a high-altitude orbit like GEO without actually needing the launch vehicle to go all the way to this altitude, which would require more effort.

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