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Trivia Question: What is the slowest rotating manmade object?

4th March 2011

According to Guinness World Records…

The last sprocket in a set of reducing gear wheels in a demonstration apparatus designed by TJ Bivins of Wellsville, Kansas, USA, rotates so slowly that it would take 3,800,007,600 years for it to complete one revolution. The assembly is driven by a motor turning at 1,550 rpm.

A photo is available here.

Save the date for Gear Expo – November 1-3, 2011, Cincinnati, OH

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