Tsyklon-2

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Tsyklon-2 (Tsiklon-2/Tsyklon-M)
Tsyklon-2.svg
Illustration of Tsyklon-2
FunctionCarrier rocket
P176Yuzhmash
P495Soviet Union (Ukraine)
Size
P204839.7 m (130 ft)[1]
P23863 m (9.8 ft)
P2067182,000 kg (401,000 lb)
Stages2
Capacity
Payload to low Earth orbit
P20672,820 kg (6,220 lb)
Associated rockets
FamilyR-36, Tsyklon
ComparableDelta II
Launch history
StatusRetired
Launch sitesBaikonur Cosmodrome LC-90
Total launches106
Success(es)105
Failure(s)1
First flight6 August 1969
Last flight24 June 2006
P3437IS-A/IS-P
RORSAT
EORSAT
First stage – 11S681
P5161 RD-251
P22282,640 kN (590,000 lbf)
Specific impulse301 sec
Burn time120 seconds
PropellantN2O4 / UDMH
Second stage – 11S682
P5161 RD-252
P2228940 kN (210,000 lbf)
Specific impulse317 sec
Burn time160 seconds
PropellantN2O4 / UDMH
Third stage
P5161 RD-861
P222877.96 kN (17,530 lbf)
Specific impulse317 sec
Burn time112 seconds
PropellantN2O4 / UDMH

The Tsyklon-2 (Cyclone-2), also known as Tsiklon-2 and Tsyklon-M (known as SL-11 by the United States DoD), GRAU index 11K69, was a Soviet, later Ukrainian, orbital carrier rocket used from the 1960s to the late 2000s. The rocket had 106 launches, one suborbital and 105 orbital, with only one failure and 92 consecutive successful launches, from 27 December 1973 with the launch of Kosmos 626 to 25 June 2006 with the final flight of the Tsyklon-2.

History

A derivative of the R-36 ICBM, and a member of the Tsyklon family, the Tsyklon-2 made its maiden flight on 6 August 1969, and conducted 106 flights, the last one occurring on 24 June 2006. It was the most reliable Soviet/Russian carrier rocket ever used, having failed only once, and the second most reliable carrier rocket overall, behind the Atlas II.[2] Along with Tsyklon-3, the Tsyklon-2 was retired in favor of new-generation and all-Russian carrier rockets, such as the Angara and Soyuz-2.

Description

Like the Tsyklon-3, the Tsyklon-2 was derived from the R-36 Scarp ICBM. However, it was slightly shorter and had a lower weight mass when fueled.[3]

See also

External links

References

  1. ^ "Tsiklon-2". Encyclopedia Astronautica. Archived from the original on 22 May 2013. Retrieved 25 July 2013.
  2. ^ "Tsiklon".
  3. ^ "Tsyklon-2, 3 | 11K67, 11K68 | SL-11, 14, | F-1, 2".