Triath : July 29, 2009

Triath
Image Data
File Name: 20D_74792
Model: Canon EOS 20D
Lens: Canon EF-S 10-22mm F/3.5-4.5 USM
Date: 06.27.09 3:17pm
Focal Length: 10mm (16mm)
Shutter: 1/1000 s
F-Stop: F8
ISO: 400
Ex Bias: +1/3
Program: Aperture priority
Metering Mode: Evaluative
Flash: Off
Focus Mode: Manual focus

Triath

Comments: 0   Views: 490   Like/Fave (6)   Raccoon River Park
07.29.2009
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The bicycle is extraordinarily efficient in both biological and mechanical terms. The bicycle is the most efficient self-powered means of transportation in terms of energy a person must expend to travel a given distance. From a mechanical viewpoint, up to 99% of the energy delivered by the rider into the pedals is transmitted to the wheels, although the use of gearing mechanisms may reduce this by 10-15%. A human traveling on a bicycle at low to medium speeds of around 10-15 mph uses only the energy required to walk. Cycling is the most energy-efficient means of transport generally available.

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