Encyclopedia Astronautica
Aerobee 150A-2

Nitric acid/Amine propellant rocket stage. Loaded/empty mass 611/133 kg. Thrust 17.80 kN. Vacuum specific impulse 209 seconds. Nitric acid/Aniline propellants. Typical ideal dV=3839 m/s; gravity and drag losses = 1012 m/s.

Nitric acid/Aniline engine.

AKA: Aerobee.
Status: Retired 1973.
Gross mass: 611 kg (1,347 lb).
Unfuelled mass: 133 kg (293 lb).
Height: 5.10 m (16.70 ft).
Diameter: 0.38 m (1.24 ft).
Thrust: 17.80 kN (4,002 lbf).
Specific impulse: 209 s.
Specific impulse sea level: 209 s.
Burn time: 51 s.
Number: 68 .

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Associated Countries
Associated Engines
  • AJ11-6 Aerojet Nitric acid/aniline rocket engine. 17.8 kN. Typical ideal dV=3839 m/s; gravity and drag losses = 1012 m/s. More...

Associated Launch Vehicles
  • Aerobee 150A American sounding rocket. Two stage vehicle consisting of 1 x Aerobee Booster + 1 x Aerobee 150A 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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