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Variomatic
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<p>Variomatic is the <a href="/facts/Continuously_variable_transmission/nPcPoKgT">continuously variable transmission</a> (CVT) of the <a href="/facts/Netherlands/y8xn5stT">Dutch</a> car manufacturer <a href="/facts/DAF_Trucks/80f8FrJY">DAF</a>, originally developed by <a href="/facts/Hub_van_Doorne/5KM7LLNQ">Hub van Doorne</a>. It is a stepless, fully-<a href="/facts/Automatic_transmission/bKBFLbyh">automatic transmission</a>, consisting of a V-shaped drive-belt, and two <a href="/facts/Pulley/Mrq15sdg">pulleys</a>, each of two cones, whose effective diameter can be changed so that the "V" belt runs nearer the spindle or nearer the rim, depending on the separation of the cones. These are synchronized so that the belt always remains at the same optimal tension. </p>