Cycling art, energy and locomotion: a series of remarks on the development of bicycles, tricycles, and man-motor carriages (1889)
Scott, Robert Pittis · Philadelphia, J. B. Lippincott · leaf 131
l is six inches, and the diam-eter of the wheel fifty inches; then, when the crank isextended horizontally out in front, this being the posi-tion when it is supposed to be subjected to the greateststrain, we have the following conditions (see Fig. 2) : Let ah represent the distance of the centre of… … Fig. 2.
Cycling · Bicycles
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