Tsyklon

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Fact sheet
Tsyklon (Tsiklon)
Function	Medium carrier rocket
Manufacturer	Yuzhmash
Country of origin	Soviet Union
Size
Height	39.7 m (130.2 ft)
Diameter	3 m (9.8 ft)
Mass	182,000 kg (401,000 lb)
Stages	2
Capacity
Payload to LEO	3,000 kg (6,600 lb)
Launch History
Status	Retired
Launch sites	Baikonur Cosmodrome, LC-90
Total launches	8
Successes	7
Failures	1
Maiden flight	27 October 1967
Last flight	25 January 1969
Notable payloads	IS-A/IS-P RORSAT
First Stage - 8S671
Engines	1 RD-251
Thrust	2,640 kN (593,4090 lb_f)
Specific impulse	301 sec
Burn time	120 seconds
Fuel	N2O4/UDMH
Second Stage - 8S672
Engines	1 RD-252
Thrust	940 kN (211,410 lb_f)
Specific impulse	317 sec
Burn time	160 seconds
Fuel	N2O4/UDMH

The Tsyklon (Циклон, "Cyclone", also known as Tsiklon), GRAU index 11K67, was a Soviet/Ukrainian-designed expendable launch system, primarily used to put Cosmos satellites into low Earth orbit. It is based on the R-36 intercontinental ballistic missile designed by Mikhail Yangel and made eight launches, with seven successes, and one failure. All of its launches were conducted from LC-90 at the Baikonur Cosmodrome. It is sometimes designated Tsyklon-2A, not to be confused with the later Tsyklon-2 rocket. It was introduced in 1967 and was derived from the R-36 ICBM (NATO designation of SS-9, Scarp). It was retired in 1969.

It made its maiden flight on 27 October 1967.

Tsyklon was designed by the Yuzhnoe Design Bureau and manufactured by Yuzhmash (both in Dnipropetrovsk, Ukraine). A derivative, the Tsyklon-3 is still in service as of February 2008.

[edit] Derivatives

Tsyklon-3 rocket launching a Meteor-3 weather observation satellite (Plesetsk, Aug. 15, 1991)

Two rockets were derived from the Tsyklon: the Tsyklon-2 and Tsyklon-3, known respectively as the SL-11 and SL-14 by the US DoD. The two stage Tsyklon-2 was first launched August 6, 1969, from the Baikonur Cosmodrome in Kazakhstan, while the Tsyklon-3, which features a restartable third stage, first launched on June 24, 1977 from the Plesetsk Cosmodrome.

On December 27, 2000, A Tsyklon-3 failed in its attempt to carry six Russian satellites into orbit, plummeting to the earth. An electrical failure in the rocket's third stage was the suspected cause.

The Tsyklon-2 is 39.7 metres (130 ft) long with a fueled mass of 182 tonnes. The Tsyklon-3 is 39.27 metres (128.8 ft) long with a fueled mass of 186 to 190 tonnes.

[edit] External links

Tsyklon at Russian Space Web

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v • d • e Soviet and Russian expendable launch vehicles

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