Isayev N2O4/UDMH rocket engine. Luna 15-24 used this low thrust engine in system KTDU-417 for soft-landing on the moon. Out of Production. Pressure-fed engine; could be throttled to 2.06 kN.
AKA: 11D417B. Status: Out of Production. Thrust: 3.43 kN (771 lbf). Specific impulse: 254 s. Burn time: 30 s.
See entry KTDU-417.
Chambers: 2. Throttled thrust(vac): 2.060 kN (463 lbf). Chamber Pressure: 8.90 bar. Oxidizer to Fuel Ratio: 2.4.