KTDU-417
Engine · Russia
Original archive entry. The text, images and links below are kept as they were written.
Isayev Nitric acid/UDMH rocket engine. Luna 15-24 descent stage. Out of Production. Comprised turbopump-fed high-thrust engine with plus KTDU-417-B low-thrust engine. Eleven ignitions for lunar orbit insertion and orbit corrections.
Two different oxidizers named.
Chambers: 1 + 2. Throttled thrust(vac): 7.350 kN (1,652 lbf). Engine: 81 kg (178 lb). Chamber Pressure: 83.00 bar. Propellant Formulation: AK27I/UDMH. Thrust to Weight Ratio: 23.93. Oxidizer to Fuel Ratio: 1.8. Coefficient of Thrust vacuum: 0. Coefficient of Thrust sea level: 0.
Subtopics
- KTDU-417-B 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.
Related
- Family
- Storable liquid
- Country
- Russia
- Spacecraft
- Luna Ye-8, Luna Ye-8-5, Luna Ye-8-LS, Luna Ye-8-5M
- Propellants
- Nitric acid/UDMH
- Agency
- Isayev bureau