Thread: is aero still important at 40mph
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Old 05-12-2013, 04:04 PM   #6 (permalink)
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Square your speed to get the percentage difference in aero drag.

30 MPH squared is 900
60 MPH squared is 3600

Doubling your speed quadruples the drag.

90% of the force required to pedal a bike at 30 MPH is aero drag.

regards
Mech
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