This page no longer updated from 31 October 2001. Latest version can be found at www.astronautix.com
astronautix.com 8D43
8D43 engine
8D43 engine - 8D43 engine, originally intended as outboard gimballed engines for first stage of Proton UR-500 global rocket.

Credit: © Mark Wade. 37,070 bytes. 304 x 468 pixels.

Government Designation: 8D43. Designer: Kosberg. Application: UR-500 stage 1 original concept. Used on launch vehicles: Monoblock UR-500, Polyblock UR-500. Used on spacecraft: Monoblock UR-500, Polyblock UR-500. Propellants: N2O4/UDMH Thrust(vac): 57,000 kgf. Thrust(vac): 559.00 kN. Isp: 316 sec. Isp (sea level): 284 sec. Burn time: 115 sec. Chambers: 1. Chamber Pressure: 147.00 bar. Area Ratio: 28.50. Oxidizer to Fuel Ratio: 2.60. Country: Russia. Status: Hardware. References: 273 , 320 . Comments: Low-expansion ratio gimballed variant developed for UR-500. In initial configuration 4 would be clustered with 4 x Glushko 11D43. Abandoned in favor of 6 x Glushko 11D48. Further developed into the RD-0208 and RD-0210 engines.
Back to Index
Last update 12 March 2001.
Definitions of Technical Terms.
Contact Mark Wade with any corrections or comments.
Conditions for use of drawings, pictures, or other materials from this site..
© Mark Wade, 2001 .