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Forums
Engineering
Aerospace Engineering
Exploring Electron Rockets for Interstellar Travel
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[QUOTE="mfb, post: 6541517, member: 405866"] Ion thrusters are already expelling electrons as well to stay neutral. Ion thrusters can achieve an even higher I_sp without too much difficulty, but that needs more power per thrust. Focusing on the electrons is only making things worse. For an ideal efficiency you would want to eject both at the same speed, in practice the electron speed doesn't matter as long as it's not too high. [/QUOTE]
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Exploring Electron Rockets for Interstellar Travel
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