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Satellite Launch Vehicle
First launch vehicle of the Indian Space Research Organisation

The Satellite Launch Vehicle (SLV) was a small-lift launch vehicle project initiated by the Indian Space Research Organisation (ISRO) in the early 1970s to develop satellite launch technology. Designed to reach 400 kilometres with a 40 kg payload, it was a four-stage rocket powered by solid-propellant motors. The first experimental flight from Sriharikota on 10 August 1979 failed, but the first successful launch occurred on 18 July 1980. The final SLV launch was conducted on 17 April 1983. Fabrication involved 15 CDV6 steel sheets for the first two stages and fiber-reinforced plastic for later stages. Aerodynamic research was carried out at the National Aerospace Laboratories' wind tunnel facility, contributing to its development over seven years.

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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.6

Flight No.Date / time (UTC)Rocket, ConfigurationLaunch sitePayloadPayload massOrbitUserLaunch outcome
E110 August 1979Satellite Launch VehicleSLV Launch PadRohini Technology Payload735 kgLow EarthISROFailure
Faulty valve caused vehicle to crash into the Bay of Bengal 317 seconds after launch.8
E218 July 1980Satellite Launch VehicleSLV Launch PadRohini RS-135 kgLow EarthISROSuccess 9
It was the first satellite successfully launched by the indigenous launch vehicle SLV. It provided data on the fourth stage of SLV.
D131 May 1981Satellite Launch VehicleSLV Launch PadRohini RS-D138 kgLow EarthISROPartial failure
Orbit too low. Decayed after 9 days10
D217 April 1983Satellite Launch VehicleSLV Launch PadRohini RS-D241.5 kgLow EarthISROSuccess11
Earth Observation satellite

Launch statistics

1 1979 1980 1981 1982 1983
  •   Failure
  •   Partial failure
  •   Success
Decade-wise summary of SLV launches
DecadeSuccessfulPartial successFailureTotal
1970s0011
1980s2103
Total2114

See also

  • India portal
  • Rocketry portal
  • Spaceflight portal

References

  1. "Launch Vehicles". Department of Space, Government of India. Archived from the original on 1 February 2014. Retrieved 19 January 2014. https://web.archive.org/web/20140201215831/http://dos.gov.in/launchvehicles.aspx ↩

  2. "SLV". isro.gov.in. Archived from the original on 29 May 2017. Retrieved 5 September 2015. https://web.archive.org/web/20170529133357/http://www.isro.gov.in/launchers/slv ↩

  3. "SLV". isro.gov.in. Archived from the original on 29 May 2017. Retrieved 5 September 2015. https://web.archive.org/web/20170529133357/http://www.isro.gov.in/launchers/slv ↩

  4. "First Successful Launch of SLV-3 - Silver Jubilee" (PDF). ISRO. Archived from the original (PDF) on 12 November 2020. Retrieved 11 February 2019. https://web.archive.org/web/20201112000426/https://www.isro.gov.in/sites/default/files/flipping_book/58-SI-Jul-Sep-05/files/assets/common/downloads/publication.pdf ↩

  5. "Bengaluru: 1.2m trisonic wind tunnel at National Aerospace Laboratories completes 55 years of service". ANI. 6 June 2022. Retrieved 22 November 2024. https://www.aninews.in/news/national/general-news/bengaluru-12m-trisonic-wind-tunnel-at-national-aerospace-laboratories-completes-55-years-of-service20220606001500/ ↩

  6. TS Subramanian. "Silver jubilee of the first successful SLV-3". Frontiline. Archived from the original on 8 February 2018. Retrieved 8 February 2018. https://web.archive.org/web/20180208012252/http://www.frontline.in/static/html/fl2217/stories/20050826002609000.htm ↩

  7. "Rohini Technology Payload". Archived from the original on 31 July 2017. Retrieved 28 December 2014. https://web.archive.org/web/20170731195814/http://www.isro.gov.in/Spacecraft/rtp-1 ↩

  8. TS Subramanian. "Silver jubilee of the first successful SLV-3". Frontiline. Archived from the original on 8 February 2018. Retrieved 8 February 2018. https://web.archive.org/web/20180208012252/http://www.frontline.in/static/html/fl2217/stories/20050826002609000.htm ↩

  9. TS Subramanian. "Silver jubilee of the first successful SLV-3". Frontiline. Archived from the original on 8 February 2018. Retrieved 8 February 2018. https://web.archive.org/web/20180208012252/http://www.frontline.in/static/html/fl2217/stories/20050826002609000.htm ↩

  10. TS Subramanian. "Silver jubilee of the first successful SLV-3". Frontiline. Archived from the original on 8 February 2018. Retrieved 8 February 2018. https://web.archive.org/web/20180208012252/http://www.frontline.in/static/html/fl2217/stories/20050826002609000.htm ↩

  11. TS Subramanian. "Silver jubilee of the first successful SLV-3". Frontiline. Archived from the original on 8 February 2018. Retrieved 8 February 2018. https://web.archive.org/web/20180208012252/http://www.frontline.in/static/html/fl2217/stories/20050826002609000.htm ↩