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 "Tsyklon-2A" Space booster.
(Industry designation 11K67, Western designation SL-11).
Space booster "Tsyklon-2A" was designed in the middle of 60s at General Design Bureau #586 on the basis of ICBM R-36 under supervision of Designer General M. Yangel. ICBM got re-designed flight stages and aerodynamic shroud for the payload.
First test launch of the booster was conducted October 27th, 1967. All together until January 24th, 1969 year there were 8 launches, including 1 accident and 1 semi-accident.
Specification.
Launch weight....................................................182,000 kg
Thrust................................................................270,400 kg
Length.....................................................................39,7 m
Diameter..................................................................3,05 m
Payload weight
Low Earth Orbit......................................................3,000 kg
Propellant
All stages...........................................................UDMH+NT
Stage 1........................................................ engine RD-261
Stage 2........................................................ engine RD-262
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