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 107
)oint of con-tact of the wheel with the ground. Now, it will beseen in the latter case, or anti-header machine as weshall call it, that as the system tends to revolve aboutthe point of contact, such point will constantly change; ANTI-HEADER MACHINE. 105 in other words, the wheel must roll onward,… … Header action, smooth road. In Fig. 1, in the annexed diagram, we show thedistance forward and upward, a to b, the rider mustbe thrown before he gets beyond the gravity line, g^ inthe Ordinary; Fig. 2 shows the distance when thewheel will not revolve backward through the fork. Ineither case, the…
Cycling · Bicycles
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