This page no longer updated from 31 October 2001. Latest version can be found at www.astronautix.com
Designer: Pratt and Whitney. Used on stages: NB-52. Used on launch vehicles: X-15A, X-15A-2. Propellants: Air/Kerosene Thrust(vac): 5,487 kgf. Thrust(vac): 53.80 kN. Isp: 5,142 sec. Burn time: 48,000 sec. Chambers: 1. Country: USA. Status: Out of Production. Comments: Thrust is maximum sea level thrust; specific impulse is sea level value at that thrust.
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Last update 12 March 2001.
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© Mark Wade, 2001 .