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Old August 19th 07, 01:57 AM posted to rec.aviation.piloting,rec.aviation.homebuilt,rec.aviation.ultralight,rec.aviation.soaring
Matt Whiting
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Posts: 2,232
Default Electrically Powered Ultralight Aircraft

wrote:

The coefficient of drag for motorcycles is usually pretty bad unless
they are faired, and it still ain't great.


Yes.


The power required to overcome drag is 1/2(p*v^3*A*C)


No. It is v^2 unless they have changed the physics since I was an aero
engineering student back in the 70s.

Matt