| astronautix.com | Dual Mode-Liquid Apogee Engine |
First Flight: April 1991. Mounting: fixed. Engine Cycle: pressure-fed at 15 atm. Oxidizer: MON 3-flow rate at 0.076 kg/sec. Fuel: high purity hydrazine-flow rate at 0.071 kg/sec. O/F Ratio: 1.070:1. Cooling Method: radiation. Ignition: hypergolic with initiation at 28 V electrical to an on/off bi-propellant torque motor valve. Burn Time: 24,000 sec total, with a 3600 sec maximum single burn.