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RD-252
Credit - © Dietrich Haeseler
Engine Model: RD-252. Manufacturer Name: RD-252. Designer: Glushko. Developed in: 1961-66. Application: R-36-0 stage 2; Tsyklon 2 stage 2. Propellants: N2O4/UDMH. Thrust(vac): 940.500 kN (211,433 lbf). Isp: 317 sec. Burn time: 160 sec. Mass Engine: 715 kg (1,576 lb). Diameter: 2.59 m (8.49 ft). Length: 2.19 m (7.17 ft). Chambers: 2. Chamber Pressure: 89.50 bar. Area Ratio: 46.10. Oxidizer to Fuel Ratio: 2.60. Thrust to Weight Ratio: 134.12. Country: Russia. Status: In production. First Flight: 1965. Last Flight: 2006. Flown: 131.

Used modified chamber from RD-219, nozzle is conventional, so performance is higher.

RD-252 used on Rocket Stages
Bibliography:

  • Haeseler, Dietrich, Information from NPO Energomash museum exhibit, Nov. 1992 via Dietrich Haeseler.
  • Russian Arms Catalogue, Vol 5 and 6, Military Parade, Moscow via Dietrich Haeseler.
  • GKB Yuzhnoe "Yangel", Data sheets Paris Airshow 1997 via Dietrich Haeseler.
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© Mark Wade, 1997 - 2008 except where otherwise noted.