3 ms·
For nuclear propulsion you just use the propellant to cool the reactor. You are still going to want to have a bunch of propellant with a fission or fusion react
by njarboe 8y ago
For nuclear propulsion you just use the propellant to cool the reactor. You are still going to want to have a bunch of propellant with a fission or fusion reactor and, like a chemical engine, you can use it as a coolant when it enters the engine.