Submitted by darthatheos t3_10ve1np in space
Backlit_keys t1_j7iungd wrote
Reply to comment by moral_luck in Rolls-Royce Nuclear Engine Could Power Quick Trips to the Moon and Mars by darthatheos
The propellant mass of nuclear thermal rockets would vary based on the fuel chosen (ideally, hydrogen) and the specific mission requirements but generally an equivalent NTR will have twice the efficiency of a chemical rocket. So twice your delta-v for the same propellant and mission payload.
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