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 "Tsyklon-2" Space booster.
(Industry designation 11K69, Western designation SL-11).
Space booster "Tsyklon-2" was designed at General Design Bureau #586 on the basis of ICBM R-36M under supervision of Designer General Yangel. ICBM got re-designed flight stages and aerodynamic shroud.
First test launch of the booster conducted August 6th, 1969. All together until October 26th, 1999 year there were 102 launches, including 1 accident and 3 semi-accidents.
Specification.
Launch weight....................................................179,000 kg
Thrust................................................................270,400 kg
Length.....................................................................35,5 m
Diameter..................................................................3,05 m
Payload weight
Low Earth Orbit......................................................2,900 kg
Propellant
All stages...........................................................UDMH+NT
Stage 1........................................................ engine RD-261
Stage 2........................................................ engine RD-262
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