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Satellite Launch Vehicle

Satellite Launch Vehicle

Satellite Launch Vehicle
Function Small launch vehicle
Manufacturer ISRO
Country of origin India
Height 22 metres (72 ft)
Diameter 1 metre (3.3 ft)
Mass 17,000 kilograms (37,000 lb)
Payload to
400km LEO
40 kilograms (88 lb)
Associated rockets
Derivatives ASLV, PSLV
Launch history
Status Retired
Launch sites Sriharikota
Total launches 4
Successes 2
Failures 1
Partial failures 1
First flight 10 August 1979
Last flight 17 April 1983
Notable payloads Rohini
First Stage
Engines 1 solid
Thrust 502.6 kilonewtons (113,000 lbf)
Specific impulse 253 sec
Burn time 49 seconds
Fuel Solid
Second Stage
Engines 1 solid
Thrust 267 kilonewtons (60,000 lbf)
Specific impulse 267 sec
Burn time 40 seconds
Fuel Solid
Third Stage
Engines 1 solid
Thrust 90.7 kilonewtons (20,400 lbf)
Specific impulse 277 sec
Burn time 45 seconds
Fuel Solid
Fourth Stage
Engines 1 solid
Thrust 26.83 kilonewtons (6,030 lbf)
Specific impulse 283 sec
Burn time 33 seconds
Fuel Solid

The Satellite Launch Vehicle or SLV was a project started in the early 1970s by the APJ Abdul Kalam. SLV was intended to reach a height of 400 km and carry a payload of 40 kg.[1]The first experimental flight of SLV-3, in August 1979, was only partially successful.[2]

It was a four-stage rocket with all solid-propellant motors.[2]

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.

Launch History

All four SLV launches occurred from the SLV Launch Pad at the Sriharikota High Altitude Range.

Flight Launch date/time (UTC) Launch pad Payload Payload mass Result Notes
E1[3] 10 August 1979 SLV Launch Pad Rohini Technology Payload[4] 35 kg Failure Faulty valve caused vehicle to crash into the Bay of Bengal 317 seconds after launch[5]
E2[3] 18 July 1980
SLV Launch Pad Rohini RS-1 35 kg Success
D1[3] 31 May 1981 SLV Launch Pad Rohini RS-D1 38 kg Failure Placed into an unusable low orbit, decayed after 9 days[5]
D2[3] 17 April 1983 SLV Launch Pad Rohini RS-D2 41.5 kg Success

See also


  1. ^ "Launch Vehicles". Department of Space, Government of India. Retrieved 19 January 2014. 
  2. ^ a b "SLV". Retrieved 2015-09-05. 
  3. ^ a b c d "SHAR Milestones". Satish Dhawan Space Center, ISRO. Retrieved 19 January 2014. 
  4. ^ "Rohini Technology Payload". Retrieved 28 December 2014. 
  5. ^ a b c Subramanium, T. S. "New Horizons". Frontline. Retrieved 19 January 2014. 

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