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The Satellite Launch Vehicle or SLV was a
small-lift launch vehicle A small-lift launch vehicle is a rocket orbital launch vehicle that is capable of lifting or less (by NASA classification) or under (by Roscosmos classification) of payload into low Earth orbit (LEO). The next larger category is medium-lift l ...
project started in the early 1970s by the
Indian Space Research Organisation The Indian Space Research Organisation (ISRO ) is India's national List of government space agencies, space agency, headquartered in Bengaluru, Karnataka. It serves as the principal research and development arm of the Department of Space (DoS), ...
(ISRO) to develop the technology needed to launch satellites. SLV was intended to reach a height of and carry a payload of . The first experimental flight of SLV, in August 1979, was a failure. The first successful launch took place on 18 July 1980. It was a four-stage rocket with all solid-propellant motors. The first launch of the SLV took place in Sriharikota on 10 August 1979. The fourth and final launch of the SLV took place on 17 April 1983. It took approximately seven years to realise the vehicle from start. The solid motor case for first and second stage were fabricated from 15 CDV6 steel sheets and third and fourth stages from fibre reinforced plastic. The aerodynamic characterization research was conducted at the National Aerospace Laboratories' 1.2m Trisonic Wind Tunnel Facility.


Launch history

All four SLV launches occurred from the SLV Launch Pad at the Sriharikota High Altitude Range. The first two launches were experimental (E) and the next 2 were designated as developmental (D) as this was the first launch vehicle being developed by India not intended for a long service life.


Launch statistics

;Decade-wise summary of SLV launches:


See also

* Comparison of orbital launchers families *
Timeline of artificial satellites and space probes This timeline of artificial satellites and space probes includes uncrewed spacecraft including technology demonstrators, observatories, lunar probes, and interplanetary probes. First satellites from each country are included. Not included are most ...


References

* https://web.archive.org/web/20071009040815/http://www.bharat-rakshak.com/SPACE/space-launchers-slv.html Space programme of India ISRO space launch vehicles Microsatellite launch vehicles Satish Dhawan Space Centre Vehicles introduced in 1979 {{India-hist-stub