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by Gravityloss 4517 days ago
A heat sink engine could work in pulsed operation.
1 comments
avmich 4517 days ago
True. However this mode isn't very useful when you need to lift something from Earth - or just to keep it in the air.
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Gravityloss 4511 days ago
You could have a glider. Or a boost-glide vehicle to be more precise.
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