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Home arrow News arrow Aerospace arrow L&T's Powai and Ranoli facilities develop systems and components of PSLV C17
L&T's Powai and Ranoli facilities develop systems and components of PSLV C17 Print E-mail
Written by Vijay, Arjun   
Wednesday, 20 July 2011
Mumbai: L&T Heavy Engineering has played a significant part in the recently launched Polar Satellite Launch Vehicle C17, by way of developing tracking systems, manufacturing critical metallic segments and supplying Honey Comb Deck Panels from the Powai and Ranoli facilities.

India's Polar Satellite Launch Vehicle (PSLV-C17) successfully launched GSAT-12 communication satellite on July 15, 2011 from Satish Dhawan Space Centre (SDSC) SHAR, Sriharikota. The launch of PSLV-C17 was the eighteenth successive successful flight of PSLV.

To place PSLV C17 in orbit, ISRO relied on critical middle segments manufactured at L&T’s high precision Aerospace Shop, Powai. The mission also had electronic packages mounted using Honey Comb Deck Panels on the upper stage of PSLV C17 and a Heat Shield manufactured at L&T’s Advanced Composite Facility, Ranoli.

The Defence & Aerospace SBG developed the C&S-Band tracking radars that accurately traced the vehicle’s triumphant trajectory. While the C-Band radar tracked up to 1450 km in transponder mode, the S-Band radar followed the vehicle up to 520 km in skin mode.

After a smooth countdown of 53 hours, the vehicle lifted-off from the Second Launch Pad at the opening of the launch window at 16:48 hrs (IST). After about 20 minutes of flight time, GSAT-12 was successfully injected into sub-Geosynchronous Transfer Orbit (sub-GTO) with a perigee of 284 km and an apogee of 21,020 km with an orbital inclination of 17.9 deg.

The preliminary flight data indicates that all major flight events involving stage ignition and burnouts, performance of solid and liquid stages, indigenously developed advanced mission computers and telemetry systems have performed well.

ISRO Telemetry Tracking and Command Network (ISTRAC)'s ground station at Biak, Indonesia acquired the signals from GSAT-12 immediately after the injection of the satellite. The solar panels of the satellite were deployed automatically. Initial checks on the satellite have indicated normal health of the satellite.

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