Aerojet Nitric acid/Amine rocket engine. B-29 droppable ATO. Launch thrust 13.33 kN. Development begun October 1943. Droppable version, pressure fed, regeneratively cooled, supplied with 331 kg of propellant. First flight 1945.
Application: B-29 droppable ATO.
Thrust (sl): 13.330 kN (2,997 lbf). Thrust (sl): 1,360 kgf. Engine: 450 kg (990 lb). Chamber Pressure: 20.00 bar. Propellant Formulation: RFNA/Aniline.
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Unfuelled mass: 450 kg (990 lb).
Height: 3.20 m (10.40 ft).
Diameter: 0.81 m (2.65 ft).
Thrust: 13.33 kN (2,997 lbf).
Burn time: 40 s.
First Launch: October 1943.
Associated Manufacturers and Agencies
Aerojet American manufacturer of rockets, spacecraft, and rocket engines. Aerojet, Sacramento, CA, USA. More...
Nitric acid/Amine Drawing on the German World War II Wasserfall rocket, nitric acid (HNO3) became the early storable oxidiser of choice for missiles and upper stages of the 1950's. To overcome various problems with its use, it was necessary to combine the nitric acid with N2O4 and passivation compounds. These formulae were considered extremely secret at the time. By the late 1950's it was apparent that N2O4 by itself was a better oxidiser. Therefore nitric acid was almost entirely replaced by pure N2O4 in storable liquid fuel rocket engines developed after 1960. Early storable rocket systems sought to improve ignition characteristics and perforamance by eliminating the kerosene portion of the fuel. An amine is an organic compound produced when one or more hydrogen atoms of ammonia is replaced with organic groups. Mixed amine fuels were first developed by the Germans in World War II. TONKA-250, developed for the Wasserfall rocket, was used by the Russians after the war in various engines under the specification TG-02. More...
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