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ISRO successfully tests propellants system of GSLV-M III

The Indian Space Research Organization (ISRO) successfully tested the propellant system of the body's soon-to-be launch mega vehicle, in the Tamil Nadu's Mahendragiri district on Thursday.

In a landmark experiment, a team of eminent scientists and experts from ISRO carried out the static testing of the liquid core stage of the Geosynchronous Satellite Launch Vehicle Mark III (GSLV-M III).

Lasting for 200 seconds, the test was deemed a 'success' by the ISRO chief K. Radhakrishnan.

Radhakrishnan said there was just one other test that was required to be undertaken before giving the green signal for the final launch of the satellite carrier into space.

"The GSLV-M III, has three propulsion elements that give power to the rocket. The first one is solid motor...solid means solid propellants used in the rocket motors. Two such rocket motors have been used. Then the second stage is the liquid stage that will be tested today, and the third stage is the cryogenic stage which we are developing," explained Radhakrishnan.

The ISRO is using indigenously developed Cryogenic Upper Stage (CUS) for the first time since the launch of the mega shuttle, GSLV-D3, in April this year.

"We are developing GSLV-M III vehicle to put heavier communications satellites, that is, satellites with mass of four tons into a geostationary transfer orbit," said Radhakrishnan.

The ISRO chief also informed that the indigenous complex cryogenic rocket technology was a remarkable scientific advancement and could revolutionize space vehicles in the future.

The GSLV-M III, which is currently under advanced stage of development, uses two solid strap-on boosters (S200), L110 liquid stage and a cryogenic upper stage C-25.

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