Gross Mass: 27,000 kg.
Empty Mass: 4,000 kg. Thrust (vac): 78,700 kgf. Isp: 250 sec. Burn time: 70 sec. Propellants: Nitric acid/AmineIsp(sl): 218 sec. Diameter: 1.5 m. Span: 5.2 m. Length: 18.9 m. Country: Russia. No Engines: 1. S2.1150Status: Hardware. Comments: 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.