Constant speed analysis

Bike weight = 22 lb

Drag coefficients reference "Science of Cycling", E.R. Burke, Leisure Press, 1986, pg 126.

Wheel Diameter (inches)

Desired Constant Speed (mph)

% Grade (+ for uphill,- for downhill)

Gear Ratio (#Teeth Rear/Front)

Air Resistance Coefficient (lbf*s^2/ft^2)

Rolling Resistance Coefficient (lbf/lbf)

Total required input power from the rider

Power needed to overcome air resistance

Power to overcome rolling resistance in tires

Power needed for elevation change

Power lost to mechanical losses, friction, etc.

Calories burned per mile

Average Pedal Force

Pedal Speed

1 June 1999 by John S. Lamancusa - Penn State University (jsl3@psu.edu)

Accuracy checked by ME288 Product Dissection class

Modified to work with Netscape 4.0 by Matt Lindenberg