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IndiaISRO to use multiple burn fuel engine to launch satellites in two...

ISRO to use multiple burn fuel engine to launch satellites in two different orbits

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On Monday, ISRO's workhorse PSLV C35 will insert SCATSAT-1 in the Polar Sun synchronous orbit at an altitude of 730km as the main payload along with 7 other satellites.

The launch of PSLV C35 on Monday form SHAR launch site by ISRO shall be a another golden mark in the history of the Indian Space Research organisation (ISRO) as its workhorse PSLV will embark on a long duration launch mission ever attempted.

PSLV C-35 has been scheduled to carry SCATSAT-1, which weighs 371 kg, as the main payload along with 7 other satellites. The technological marvel to be note here is that ISRO will attempt to launch the satellites in two different orbits using a single rocket.

ISRO plans to use the ‘multiple burn ' by which, the fourth stage engine of the rocket will shut down and restart within a short period of time which would allow the rocket to glide to the next orbit with the payload. To attempt this technique is critical as the engine temperature should be maintained below a point to avoid damage to the rocket and payload before restarting the engine.

ISRO has already demonstrated the technology twice using PSLV C34 in June and PSLV C29 in December of 2015 but Monday's launch would be the first time ever ISRO will attempt the technique with payloads.

PSLV C35 is scheduled to insert SCATSAT-1 in the Polar Sun synchronous orbit at an altitude of 730km. The rest of the payload which included 5 satellites from foreign nations will be inserted into polar orbit at 689km. PSLV C35 will launch the SCATSAT-1 in 17 minutes after lift-off following which the fourth stage engine will shut down. Sources state scientists from ISRO center will monitor the engine stats and will restart the engine after a scheduled hour for another 20 seconds which should provide the required thrust to push the rocket to the next desired orbit where the rest of the payload will be released. ISRO planned to attempt ‘multiple burn technology' as it would be a very effective method in cutting costs during satellite launches.

Northlines
Northlines
The Northlines is an independent source on the Web for news, facts and figures relating to Jammu, Kashmir and Ladakh and its neighbourhood.

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