YaKhR-2 Core

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Model: YaKhR-2 Core. Gross Mass: 180,000 kg (390,000 lb). Empty Mass: 22,000 kg (48,000 lb). Thrust (vac): 1,660.000 kN (373,180 lbf). Isp: 470 sec. Burn time: 430 sec. Propellants: Nuclear/Ammonia. Isp(sl): 430 sec. Diameter: 3.33 m (10.92 ft). Span: 3.33 m (10.92 ft). Length: 37.00 m (121.00 ft). Country: Russia. No Engines: 1. Motor: YaRD OKB-456. Status: Development ended 1949.

Engines in development by Bondayuk and Glushko. Alternate propellants ammonia only or ammonia/alcohol mixture. Four expansion nozzles fed by single reactor. Masses calculated based on given vehicle gross weight and performance.

Used on Launch Vehicles:

YaKhR-2.

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