Model: Q03 Spur Gears, Involute Teeth Profiles
This is a beautiful pedagogical model which shows how the involute shape of the modern gear tooth maintains a constant velocity ratio between the two gears. Although Leonard Euler is credited with the first analysis of the involute gear profile as a constant speed gear tooth, it was Robert Willis of Cambridge University who demonstrated the advantage of involute shaped teeth over the popular epicycliod shaped teeth.

Francis Moon 2001-00-00

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