Engine Model: RD-020. Manufacturer Name: RD-020. Designer: Bondaryuk. Application: Buran M-42. Propellants: Air/Kerosene. Thrust(vac): 103.000 kN (23,155 lbf). Isp: 1,500 sec. Burn time: 8,500 sec. Chambers: 1. Country: Russia. Status: Development ended 1957. Cancelled November 1957. Ramjet for Buran cruise missile. Boosted by 4 x Glushko-engined boosters. 8,500 km cruise at Mach 3.1 at 18-20 km altitude with 3,500 kg warhead. Wing area 98 square meters; diameter of ramjet 2.0 m. Never reached flight test. Thrust is maximum thrust at cruise altitude. Specific impulse is that at cruise design point.
RD-020 used on Rocket Stages
RD-020 used on Spacecraft
Bibliography:- Petrakov, V M, O vklade OKB-23 V M Myasishcheva v prakticheskoe osushchecstvlenie idey K E Tsilokovskovo, Akademiya Nauk SSSR, Koissiya po razrabotke nauchnovo nasoediya K E Tsiolkovskovo, 1990/I16..
- Borisov, A, Novosti kosmonavtiki, "'Buran' - polyot v nikuda?", 1998, Issue 23/24, page 68..