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Engine Model: Toroidal 400k. Propellants: Lox/LH2. Thrust(vac): 1,778.000 kN (399,710 lbf). Isp: 447 sec. Isp (sea level): 200 sec. Burn time: 385 sec. Chambers: 1. Country: USA. Status: Study 1967.



Toroidal 400k used on Rocket Stages


Toroidal 400k used on Spacecraft


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