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TV9 - GSAT-5P EXPLODES MOMENTS AFTER LAUNCH - GSLV MISSION FAILS

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Uploaded on Dec 25, 2010

SRIHARIKOTA: Launch of India's latest communication satellite GSAT-5P onboard homegrown GSLV-F06, powered by Russian cryogenic engine, failed today when the rocket developed a snag soon after lift-off from the spaceport here.

The rocket blasted-off at around 4 pm from the second launch pad at the Satish Dhawan Space Centre at the end of the 29-hour countdown but was hit by a snag in the first stage itself, ISRO sources said.

"The incident occurred in the first stage itself", the sources said, adding, details would be disclosed later.

This is the second failure this year for ISRO after the previous GSLV mission with the country's maiden cryogenic engine hit a snag and the rocket plunged into the Bay of Bengal on April 15 this year.

The GSAT-5P satellite weighing 2,130 kg costed ISRO around Rs 125 crore.

Had it been successful, the satellite would have served the needs of the telecommunication sector and the weather department. It would have eventually replaced the INSAT-2E satellite that was sent up in 1999.

The GSLV rocket has three stages. The first stage is fired by solid fuel. The four strap on motors give additional thrust during the lift-off and the initial phase of the rocket's flight.

The second stage is fired by liquid fuel. The third stage, which is more complex than the others, involves the cryogenic engine powered by liquid hydrogen as fuel and liquid oxygen as oxidiser.

The GSLV rocket was 51 metres tall and weighed 418 tonnes.

ISRO has the following communication satellites in service - INSAT 2E, INSAT 3A, INSAT 3B, INSAT 3C, INSAT 3E, INSAT 4A, INSAT 4CR and INSAT 4B working at 50 percent capability.ISRO launched two major satellites in 2010 - communication satellite GSAT-4 and remote sensing satellite Cartosat-2.The GSAT-4 launch failed after the rocket crashed into the Bay of Bengal while Cartosat-2 was placed successfully in the orbit.

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