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Bell 8081
Part of Bell 8000 Family
Bell Nitric acid/UDMH rocket engine. Out of production. Used on Agena B stage atop Thor and Atlas. First flight 1960.

AKA: XLR81-BA. Status: Out of production. Number: 156 . Thrust: 71.20 kN (16,006 lbf). Unfuelled mass: 130 kg (280 lb). Specific impulse: 285 s. Burn time: 240 s. Diameter: 1.52 m (4.98 ft).

Engine: 130 kg (280 lb). Chamber Pressure: 10.00 bar. Area Ratio: 45. Propellant Formulation: RFNA/UDMH. Thrust to Weight Ratio: 55.8230769230769. Oxidizer to Fuel Ratio: 2.55. Coefficient of Thrust vacuum: 2.99603430168432. Restarts: 2.



Family: Storable liquid. Country: USA. Launch Vehicles: Thor Agena B, Atlas Agena B, Thor Agena D, Thor SLV-2A Agena B. Propellants: Nitric acid/UDMH. Stages: Agena B. Agency: Bell.

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