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A comment on First firing of air-breathing electric thruster. Parent comment

Re:First firing of air-breathing electric thruster by Armisael16 on Tuesday March 06, 2018 @08:16AM (#16528612)
The exhaust velocity in a xenon ion thruster is 20-50 km/s. Most of the time it’s on an earth escape trajectory (~11 km/s in low orbit).
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