8D43
Engine · Russia
Original archive entry. The text, images and links below are kept as they were written.

8D43 engine, originally intended as outboard gimballed engines for first stage of Proton UR-500 global rocket.
Credit: © Mark Wade
Kosberg N2O4/UDMH rocket engine. UR-500 stage 1 original concept. Hardware. In early Proton design would be clustered with 4 x Glushko 11D43. Abandoned in favor of 6 x Glushko 11D48, but later developed into the RD-0208 and RD-0210.
Low-expansion ratio gimbaled 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.
Thrust (sl): 599.813 kN (134,843 lbf). Thrust (sl): 61,164 kgf. Chamber Pressure: 147.00 bar. Area Ratio: 28.5. Oxidizer to Fuel Ratio: 2.6.
Related
- Family
- Storable liquid
- Country
- Russia
- Launch Vehicles
- Monoblock UR-500, Polyblock UR-500
- Propellants
- N2O4/UDMH
- Agency
- Kosberg bureau