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N1F Sr
Part of N1
N1F - Sr
N1F - Sr
N1F with Sr Lox/LH2 upper stage
Russian heavy-lift orbital launch vehicle. The final more modest version of the N1F replaced the fourth and fifth stages of the N1 with the single liquid oxygen/liquid hydrogen Block Sr stage. Development of the Sr stage was from May 1971 until cancellation of the N1 project in May 1974.

Status: Development ended 1974. Thrust: 38,990.00 kN (8,765,300 lbf). Gross mass: 2,677,900 kg (5,903,700 lb). Height: 94.00 m (308.00 ft). Diameter: 10.00 m (32.00 ft).

Stage Data - N1F Sr



Family: heavy-lift, orbital launch vehicle. Country: Russia. Engines: NK-39, NK-43, NK-33, RD-56M. Stages: N1 Block Sr, N1F Block A, N1F Block B, N1F Block V. Agency: Korolev bureau.
Photo Gallery

Blok SRBlok SR
Credit: RKK Energia


Blok SRBlok SR
Credit: © Mark Wade


N1 VariantsN1 Variants
N1 Launch Vehicle Family
Credit: © Mark Wade



1971 May - . LV Family: N1. Launch Vehicle: N1F Sr.

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