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Variomatic Gears

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Published on Aug 4, 2012

Buy at http://www.shapeways.com/model/582866... Copyright (c) 2012, M. Oskar van Deventer. Variomatic Gears is a set of gears with a varying gear ratio. At first, both gears make a quarter turn, which corresponds to a 1:1 gearing ratio. Then, one gear turns by 90 degrees, while the other turns by 180 degrees, corresponding to 1:2. Next the roles reverse to 180:90, which is 2:1. So this set of gears could be described as having a 1-1-2:1-2-1 gearing ratio. The total adds up to 360:360, so the two gears have a 1:1 gearing ratio at average. This gearing mechanism was inspired by the Heart-Shaped Gears jewels by Guofeng Guan.

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