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R-2 / SS-2 SIBLING

The ethyl alcohol used in the V-2 and R-1 was replaced by methyl alcohol in the R-2. The first launch of the R-2 missile was conducted from Kapustin Yar on 30 September 1949.

Specifications

Total Mass 19,632 kg.
Empty Mass 4,592 kg.
Payload 508 kg.
Core Diameter 1.7 m.
Span 3.6 m.
Total Length 21.0 m.
Engines 1. RD-101
Propellants Lox/Alcohol
Liftoff Thrust 37,210 kgf.
Thrust (vac) 41,208 kgf.
Isp 237 sec.
Isp(sl) 214 sec.
Burn time 85 sec.
Range 550 km.
Maximum altitude 171 km.
Time of flight 7.5 minutes.
Max velocity at burnout 2175 m/s.
Accuracy 8 km in range, 4 km laterally.

Sources and Resources



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