8D423

Manufacturer Name: 8D419. Government Designation: 8D423. Other Designations: 15D13. Designer: Izotov. Application: UR-100 stage 2. Propellants: N2O4/UDMH. Thrust(vac): 131.000 kN (29,449 lbf). Isp: 325 sec. Burn time: 184 sec. Chambers: 1. Country: Russia. Status: Design 1964. First Flight: 1965. Last Flight: 1984. Flown: 282.

Single chamber engine for UR-100 stage 2. Gas generator cycle with two large turbine exhaust pipes. Photos available in Russian Arms Cat. (Gives thrust as 15,200 kgf, Ispvac=326))

8D423 used on Rocket Stages

Used on stage: UR-100 Stage 2. on launch vehicle: UR-100.

8D423 used on Spacecraft

Used on: LK-700.

Bibliography and Further Reading

Haeseler, Dietrich, "Personal communication", 1998 December..

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