whats a good propulsion system if i want a continuous burn for an hour and a half for ~2.2 km/s in vacuum, no restart
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i dont have as many clever ideas when i dont have an atmosphere to work with
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Replying to @sigfig
what are your prospects for putting up a satellite with a big propulsion laser running off a huge pv array those should work way better in vacuum than for ground launch
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Replying to @chaosprime @sigfig
also you get an orbital death ray for free
11:36 AM - 26 Mar 2018
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