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0 pointsnumpad05y ago0 comments

Vacuum engines can’t be used at low altitudes, exhaust underexpansion cause flow to delaminate which will damage the nozzle which goes the way rocketry goes

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rbanffy5y ago

They can't be used for long. The Raptor was test fired with the vacuum nozzle at sea level. Not perfect, but beats hitting the ground.

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0 pointsnumpad05y ago0 comments

Vacuum engines can’t be used at low altitudes, exhaust underexpansion cause flow to delaminate which will damage the nozzle which goes the way rocketry goes

0 comments

rbanffy5y ago

They can't be used for long. The Raptor was test fired with the vacuum nozzle at sea level. Not perfect, but beats hitting the ground.

j / k navigate · click thread line to collapse