When the idea of an engine hacks theme was being kicked around at Hack a Day, the subject of rocket engines was ... [Robert] uses kerosene and liquid oxygen for fuel. This man knows his stuff.

While we’re reluctant to say it for fear of being misinterpreted, the new liquid fuel rocket ... TM65 engine begins its firing sequence, valves attached to tanks of alcohol and liquid Oxygen ...

With the liquid oxygen ... propellant tanks for the rocket collectively hold more than 733,000 gallons of super-chilled propellant. The propellant powers the four RS-25 engines and must stay ...