Thread: Speed & Aero or why drag a boattail around at 45mph?
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Old 09-12-2013, 09:05 PM   #19 (permalink)
Xist
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Quote:
Originally Posted by Old Mechanic View Post
Take a piece of plywood and cut it to size to duplicate the frontal area of your car. Bolt it to the front of a bicycle and see how fast you can pedal, compared to not having the piece of plywood bolted to the bike, or just run with it (the plywood). 90% of a bicycles power requirement at 30 MPH is aero drag.

regards
Mech
Quote:
Originally Posted by aerohead View Post
Cd 1.11 X approx. 6-sq-ft Af = 6.6 sq-ft CdA.
Ouch!
Getting nowhere fast?
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