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"Cosmos-3" Space Booster.
(Industry designation 65C3/11K65, Western designation SL-8).
The booster was designed on the basis of Middle-range missile R-14 (industry designation 8K65). First project of the launch vehicle initially was conducted at the Design Bureau #586. Later the project was supervised and developed by Special Design Bureau #1, brunch office #2 (later Special Design Bureau #10) under Designer General Reshetnev. New booster got an index 65?3 (?3 - is the index of new second stage). The booster was manufacturing at the factory #1001 close to SDB #10.
First test launch of the booster was conducted august 18th, 1964. All together until 1968 year there were 14 launches, including 3 accidents.
Specification.
Launch weight....................................................106,000 kg
Thrust................................................................151,000 kg
Length.....................................................................32.3 m
Diameter..................................................................2.44 m
Payload weight
Low Earth Orbit......................................................1,350 kg
Propellant
First stage.....................................................UDMH+HNO3
Second stage.................................................UDMH+HNO3
Stage 1....................................................... engine RD-216
Stage 2......................................................... engine RD-49
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