Encyclopedia Astronautica
45AL-2600


Aerojet Nitric acid/Amine rocket engine. Aerobee B. Launch thrust 11.7 kN. Development begun June 1948. Manufacture of complete Aerobee systems First flight 1955.

Application: Aerobee B.

Thrust (sl): 11.700 kN (2,630 lbf). Thrust (sl): 1,200 kgf. Propellant Formulation: RFNA/Aniline+Furfural Alcohol.

Thrust: 11.70 kN (2,630 lbf).
First Launch: June 1948.

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Associated Countries
See also
Associated Launch Vehicles
  • Aerobee Hi American sounding rocket. Aerobee Hi was a development of the basic Aerobee with longer propellant tanks, improved materials, a better propellant fraction, and smaller fins. 9.3 m l x 0.39 m dia. The booster stage fired for 2.5 seconds and took the rocket to 270 m altitude and 820 kph. The upper stage then fired for 25 seconds, burning out at 40 km altitude travelling at 6400 kph. Thereafter the payload would coast up to 270 km altitude before falling back toward earth. More...

Associated Manufacturers and Agencies
  • Aerojet American manufacturer of rockets, spacecraft, and rocket engines. Aerojet, Sacramento, CA, USA. More...

Associated Propellants
  • 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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