Encyclopedia Astronautica

Beal H2O2/Kerosene rocket engine. 196 kN. Development 1990's. Pressure-fed restartable engine with composite ablative chamber and nozzle. Helium pressurant. Thrust declines to 50% of initial value before shutdown. Isp=300s.

Throttled thrust(vac): 98.000 kN (22,031 lbf). Area Ratio: 100. Oxidizer to Fuel Ratio: 7.5. Restarts: 3.

Status: Development 1990's.
Thrust: 196.00 kN (44,062 lbf).
Specific impulse: 300 s.
Burn time: 600 s.

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Associated Countries
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Associated Manufacturers and Agencies
  • Beal American manufacturer of rocket engines and rockets. Beal, USA. More...

Associated Propellants
  • H2O2/Kerosene Hydrogen peroxide is used as both an oxidiser and a monopropellant. Relatively high density and non-toxic, it was abandoned after early use in British rockets, but recently revived as a propellant for the Black Horse spaceplane. Rocket propellant RP-1, or its foreign equivalents, is a straight-run kerosene fraction, which is subjected to further treatment, i.e., acid washing, sulphur dioxide extraction. Thus, unsaturated substances which polymerise in storage are removed, as are sulphur-containing hydrocarbons. More...

  • Isakowitz, Steven J, Hopkins, Joshua B, and Hopkins, Joseph P, International Reference to Space Launch Systems, AIAA, Washington DC, 2004.

Associated Stages
  • Beal BA-2 Stage 3 H2O2/Kerosene propellant rocket stage. Loaded/empty mass 36,700/2,855 kg. Thrust 196.00 kN. Vacuum specific impulse 300 seconds. Thrust declines to 50% of initial value at shut down. More...

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