or Geosynchronous Satellite Launch Vehicle mark III
is a launch vehicle currently under development by the Indian Space Research Organization
. It is intended to launch heavy satellites into geostationary orbit
, and will allow India to become less dependent on foreign rockets for heavy lifting.
The rocket is the technological successor to the GSLV
, however is not derived from its predecessor. The GSLV-I has a Russian-made cryogenic third stage, which is to be replaced with an identical Indian-built one for the GSLV-II. US objections based on the Missile Technology Control Regime
(MTCR) prevented the Russia-India technology transfer that would have enabled this, leading to successful indegenous development of a cryogenic upper stage by India. The maiden flight is scheduled to take place in 2013.
The boosters used on the GSLV-III will be the S-200
, which is also designated Large Solid Booster, or LSB, which is a solid propellant stage with a mass of 200 tonnes. Two boosters will be used. Each has a diameter of 3.2 metres and a length of 25 metres. Each booster generates 560 tonnes-force
) of thrust at lift-off.
The core stage will be the L-110
restartable liquid stage which has 110 tonnes of liquid propellant and a diameter of 4-metres. It will be the first Indian liquid engine cluster design, and will use two improved Vikas......