28 Apr '11, 6pm

Awesomeness! The Bicycle Power Calculator Exposes the Physics of Cycling

Awesomeness! The Bicycle Power Calculator Exposes the Physics of Cycling

The Bicycle Power Calculator Exposes the Physics of Cycling Photo: Christa , Flickr, CC The Spec Sheet for the Human-Bike Cyborg This one is an oldie (1999 is ancient in internet time...) but a goodie that bike geeks will find interesting. It's a bicycle power calculator that tells you how much energy you need to generate while pedalling your bike, and it even breaks it down between the energy needed to overcome rolling resistance, air friction, mechanical losses, etc. It's pretty precise and takes into account wheel size, speed, rider position, gear ratio, tire type, etc. View the entire comment thread.

Full article: http://www.treehugger.com/files/2011/04/bike-bicycle-powe...

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