Gross Mass: 1,484 kg.
Empty Mass: 1,167 kg. Thrust (vac): 625 kgf. Isp: 1,580 sec. Burn time: 800 sec. Propellants: Air/KeroseneIsp(sl): 0 sec. Diameter: 0.7 m. Span: 2.0 m. Length: 9.4 m. Country: Russia. No Engines: 1. EKR RamjetStatus: Design 1953. Comments: Second stage for Eksperimentalnaya krilataya raketa (experimental winged rocket), Mach 3 ramjet. Range 730 km with flight time of 927 seconds. Lift to drag 2.51, wing area 3.31 square meters. Not developed but formed basis for Burya and Buran missiles.