GSLV Mk.1

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GSLV Mk.1 [ISRO]

The indian GSLV (Geostationary Launch Vehicle) series are launch vehicles in the 2500 kg to GTO class, which feature a unusual combination of different kind of stages. The first stage consists of a large solid rocket, derived from the PSLV first stage. It is augmented by four liquid fueled strap-on boosters, which have a longer burn time than stage 1. Each booster is powered by a Vikas engine and remains connected with stage 1 during the flight. The second stage is a liquid fueled stage featuring storable propellants. It is the sam as used in the PSLV and is also powered with a Vikas engine. The cryogenic stage 3 for the Mk.1 version is powered by the russian KVD-1M engine, which was originally developed for a cryogenic version of the Proton launch vehicle. It will be replaced by the Mk.2 version, which features the indian built CS engine.

→ complete list of all GSLV launches.
→ complete list of all PSLV / GSLV family launches.

No:  TNo:  Serial     Type                    Date          LS        Payload

 1    1    GSLV-D1    GSLV Mk.1               20.04.2001 p  Sr FLP    GSat 1


Flight 1:       Stage 3 shut down 10 sec. too early