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 48
y we have a deadline. Upon the other hand,if the machine happens tobe driven in the oppositedirection from that of whichwe have been speaking, or, in other words, if the pedal isin advance of instead of in the rear of the driving-axle,as seen in Fig. 5, we have an advantage, since the arcsfd and ge… … ARC OF NO POWER. 47 dead centre at all. The lever and crank, Fig. 5, is adevice used on some rear-driving machines,—the pedaldescends slowly and ascends rapidly; certainly a de-sirable arrangement. That is to say, if the arc deraises and dfge lowers the pedal, it will then raisequickly and lower…
Cycling · Bicycles
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