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0 pointst0mas884y ago0 comments

Efficiency drops by "propeller" speed and then falls off a cliff when the prop tips go super sonic. So you really can't just make them bigger and spin faster.

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namibj4y ago

If you have scimitar blades, this isn't an issue up to ~Mach 1.5 if the airspeed remains well subsonic.

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0 pointst0mas884y ago0 comments

Efficiency drops by "propeller" speed and then falls off a cliff when the prop tips go super sonic. So you really can't just make them bigger and spin faster.

0 comments

namibj4y ago

If you have scimitar blades, this isn't an issue up to ~Mach 1.5 if the airspeed remains well subsonic.

j / k navigate · click thread line to collapse