Comment on 3D-printed Aerospike Rocket EngineparentComments−avmich12yTrue. However this mode isn't very useful when you need to lift something from Earth - or just to keep it in the air.−Gravityloss12yYou could have a glider. Or a boost-glide vehicle to be more precise.
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True. However this mode isn't very useful when you need to lift something from Earth - or just to keep it in the air.
You could have a glider. Or a boost-glide vehicle to be more precise.