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PSLV programme
PSLV programme. The Union Cabinet on Thursday gave its approval for Polar Satellite Launch Vehicle (PSLV) Continuation Programme of 15 operational flights of Polar Satellite Launch Vehicle PSLV-C36 to PSLV-C50.
The Union Cabinet on Thursday gave its approval for Polar Satellite Launch Vehicle (PSLV) Continuation Programme of 15 operational flights of Polar Satellite Launch Vehicle PSLV-C36 to PSLV-C50. The total fund requirement is Rs 3,090 crore and includes the cost of 15 PSLV vehicles, Programme Elements, Programme Management and Launch Campaign. All the fifteen operational flights would be completed during the period 2017-2020. With the recent successful launch of PSLV-C26 on 16th October 2014, PSLV has completed three developmental and twenty-five operational flights and the last twenty-seven flights have been successively successful.
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In India, the launch vehicle development programme began in the early 1970s. The first experimental Satellite Launch Vehicle (SLV-3) was developed in 1980. An Augmented version of this, ASLV, was launched successfully in 1992. India has made tremendous strides in launch vehicle technology to achieve self-reliance in satellite launch vehicle programme with the operationalisation of Polar Satellite Launch Vehicle (PSLV) and Geosynchronous Satellite Launch Vehicle (GSLV).
PSLV is capable of launching 1600 kg satellites in 620 km sun-synchronous polar orbit and 1050 kg satellite in geo-synchronous transfer orbit. In the standard configuration, it measures 44.4 m tall, with a lift off weight of 295 tonnes. PSLV has four stages using solid and liquid propulsion systems alternately. The first stage is one of the largest solid propellant boosters in the world and carries 139 tonnes of propellant. A cluster of six strap-ons attached to the first stage motor, four of which are ignited on the ground and two are air-lit.
The reliability rate of PSLV has been superb. With its variant configurations, PSLV has proved its multi-payload, multi-mission capability in a single launch and its geosynchronous launch capability. In the Chandrayaan-mission, another variant of PSLV with an extended version of strap-on motors, PSOM-XL, the payload haul was enhanced to 1,750 kg in 620 km SSPO. PSLV has rightfully earned the status of workhorse launch vehicle of ISRO. As of 2014 the PSLV has launched 71 spacecraft (31 Indian and 40 foreign satellites) into a variety of orbits.4 Some notable payloads launched by PSLV include India's Chandrayaan-1 lunar probe and the Mars Orbiter Mission.
