ISRO's experiment to re-start PSLV stage-IV a success

December 17, 2015 18:59

Indian Space Research Organisation has successfully reignited the fourth stage of its workhorse Polar rocket during the PSLV-C29 mission after putting in orbit six Singapore satellites, agency officials said in New Delhi on Thursday.

The engine in the upper stage of the PSLV was shut off and re-started after placing the satellites in orbit yesterday, ISRO's Liquid Propulsion Systems Centre (LPSC) Director S Somanath said.

"We tried it for the first time and it was a success," Somnath said, adding that the technique would be useful when launching multiple satellites in different orbits.

The LSPC director was was speaking to reporters on the sidelines of the inauguration of the 23rd national and first international Heat and Mass Transfer Conference (IHMTC 2015), organised by (LPSC).

The PS4 is the uppermost stage of PSLV, comprising two 'Earth storable' liquid engines.

Veteran nuclear scientist Anil Kakodkar, who inaugurated the conference, hailed ISRO for the successful PSLV-C29 mission.

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