Kestrel

The Kestrel is an RP-1/liquid oxygen pressure-fed rocket engine. The Kestrel engine was developed by SpaceX for upper stage use on the Falcon 1 rocket.

Current published ratings:

   * Vacuum thrust: 7,000 lbf (31 kN)
   * Vacuum Isp: 327 s (3.3 kNs/kg)
   * Chamber pressure: 135 psi (930 kPa)
   * Thrust-to-weight ratio: 42

Operations:

   * Fuel: RP-1 rocket grade kerosene
   * Oxidizer: Liquid oxygen

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