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Burya engine
Burya engine guidance vanes
Credit - Lavochkin
Model: Burya booster. Gross Mass: 27,000 kg (59,000 lb). Empty Mass: 4,000 kg (8,800 lb). Thrust (vac): 771.700 kN (173,485 lbf). Isp: 250 sec. Burn time: 70 sec. Propellants: Nitric acid/Amine. Isp(sl): 218 sec. Diameter: 1.45 m (4.75 ft). Span: 5.20 m (17.00 ft). Length: 18.90 m (62.00 ft). Country: Russia. No Engines: 1. Motor: S2.1150. Status: Retired 1960. First Flight: 1957. Last Flight: 1960. No Launched: 36.

Booster for Burya missile. Two used to boost ramjet second stage to ignition conditions. Engines developed by Isayev from R-11 S2.253 engine. Early Buryas had S2.1100 engine. Masses estimated based on known total vehicle mass.

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