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8 Interesting facts about GSLV MARK III

8 Interesting facts about GSLV MARK III GSLV MARK III was successfully launched on June 5th of 2017. It was a prominent step for the future programs of ISRO. It took 15 years to complete this project with a budget of 300 core. GSLV MARK 3 has one liquid and one solid propellant stage and…

Unnikrishnan v
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8 Interesting facts about GSLV MARK III



  1. GSLV MARK III
    was successfully launched on June 5th of 2017. It was a prominent
    step for the future programs of ISRO. It took 15 years to complete this project
    with a budget of 300 core.
  2. GSLV MARK 3
    has one liquid and one solid propellant stage and a cryogenic stage.
  3. GSLV MARK 3
    has a capacity to launch a payload with 4000 kg
    to a Geosynchronous Transfer Orbits of altitude
    3600 km and It can place 8000 kg payload to low earth orbit of 600 km altitude.
  4. This will
    be an important step of ISRO towards their future plan to conduct a manned
    space mission. The rocket has a weight of 640 ton and 43.43-meter height.
  5. In the cryogenic
    stage (Third stage) of GSLV MARK 3, liquefied
    hydrogen is used as fuel and liquefied
    oxygen as the oxidizer. Fuel and oxidizer
    are stored in different tanks for space
    vehicles because fuel alone can’t burn in space in the absence of oxygen.
  6. The fuel-
    oxygen mixture is burning in the combustion
    chamber. The first stage is a solid propellant stage and the second one is a liquid
    propellant stage.
  7. ISRO tested
    this GSLV MARK 3 in the Crew module Atmospheric Reentry Experiment(CARE) mission on December
    18, 2014.
  8. Currently, ISRO is using European Union’s ARIANE rocket to launch heavy satellites into orbit.GSLV Mark 3 will use from 2017.

Interesting facts about the three stages of GSLV MARK III

  • The first
    stage of the ignition is powered by the solid propellant
    Hydroxyl-terminated polybutadiene(ITPB).
  • Two hundred
    tons of propellant is burned for the ignition of the first stage engine “S200”. Simultaneously two booster
    rockets of GSLV Mark 3 located on either side of its liquid booster will ignite
    for 130 seconds.
  • In the second
    stage two Vikas Liquid Engine of L- 110 will work for 114 seconds after liftoff. The booster rockets will separate
    after 140 seconds from lift-off.
  • The liquid propellant used here is 110 tons of mono
    methane hydrosilane and nitrogen
    triiodide.
  • The third
    stage of GSLV Mark III  is a cryogenic stage. Here liquid hydrogen and
    oxygen are used as a propellant at a temperature of -252.87°C and
    -182.82°C respectively.
  • The CE-20 engine used
    in cryogenic stage and 25 tons of cryogenic fuel is burned during this stage.CE-20
    is developed by the Liquid Propulsion Systems Centre.








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