AJ10
Rocket engine
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The AJ10 is a hypergolic rocket engine manufactured by Aerojet Rocketdyne. It has been used to propel the upper stages of several launch vehicles, including the Delta II and Titan III. Wikipedia
Chamber: 1
Cycle: Pressure-fed engine
Diameter: 0.84 m
Dry weight: 90–100 kg
Propellant: N; 2O; 4 / Aerozine 50
Specific impulse, vacuum: from 270 seconds (2.6 km/s) on AJ10-101 to 319 seconds (3.13 km/s) on AJ10-118K
Thrust, vacuum: 43.7 kN