Stage Data - N1F Sr
Stage Number: 1. 1 x Stage: N1F Block A. Gross Mass: 2?70?00 kg (4?60?00 lb). Empty Mass: 126?30 kg (278?80 lb). Thrust (vac): 49?75.500 kN (11?67?97 lbf). Isp: 331 sec. Burn time: 125 sec. Isp(sl): 297 sec. Diameter: 10.00 m (32.00 ft). Span: 15.60 m (51.10 ft). Length: 30.00 m (98.00 ft). Propellants: Lox/Kerosene. No Engines: 30. Engine: NK-33. Status: Development ended 1971. Comments: Includes 14,000 kg for Stage 1-2 interstage.
Stage Number: 2. 1 x Stage: N1F Block B. Gross Mass: 620?00 kg (1?60?00 lb). Empty Mass: 55?00 kg (122?00 lb). Thrust (vac): 14?40.004 kN (3?56?18 lbf). Isp: 346 sec. Burn time: 120 sec. Diameter: 6.80 m (22.30 ft). Span: 9.80 m (32.10 ft). Length: 20.00 m (65.00 ft). Propellants: Lox/Kerosene. No Engines: 8. Engine: NK-43. Status: Development ended 1971. Comments: Includes 3,500 kg for Stage 2-3 interstage.
Stage Number: 3. 1 x Stage: N1F Block V. Gross Mass: 210?00 kg (460?00 lb). Empty Mass: 13?00 kg (30?00 lb). Thrust (vac): 1?08.000 kN (361?92 lbf). Isp: 353 sec. Burn time: 370 sec. Diameter: 4.80 m (15.70 ft). Span: 6.80 m (22.30 ft). Length: 12.00 m (39.00 ft). Propellants: Lox/Kerosene. No Engines: 4. Engine: NK-39. Status: Development ended 1971.
Stage Number: 4. 1 x Stage: N1 Block Sr. Gross Mass: 77?00 kg (171?00 lb). Empty Mass: 11?00 kg (25?00 lb). Thrust (vac): 147.880 kN (33?45 lbf). Isp: 441 sec. Burn time: 1?10 sec. Diameter: 5.20 m (17.00 ft). Span: 5.20 m (17.00 ft). Length: 16.50 m (54.10 ft). Propellants: Lox/LH2. No Engines: 2. Engine: RD-56M. Status: Development ended 1974. Comments: Upper stage developed 1971-1974 to support manned lunar expedition. Replaced Blok R/Blok S previously under development. Capable of five restarts and 11 days of flight. Could insert 24 tonnes into lunar orbit or 20 tonnes into geosynch orbit.

달에 가기 위해 만들었지만 1974년에 개발 계획이 끝이 납니다. 이후 개발 당시 엔진 기술 일부는 Buran / Vulkan launch 에 적용 되나 이 역시 끝이 나죠.

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