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Unitron Weight Drive

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Published on Jan 4, 2013

This is a movie showing the operation of a classic Unitron Weight Driven Clock Drive. This 50 year old device allows a telescope to follow the very slow movement of stars and planets. This motion is undetectable with the naked eye but in a telescope the movement is highly magnified so a tracking mechanism is very helpful. The device works strictly because of gravity, allowing the user to set up the telescope far from any source of electricity. This allows a telescope to track the skies for more than an hour! It works much like a old fashioned Grandfather Clock. Like any old mechanical device, many find it fascinating to watch. To see more pictures of the device and the associated telescopes please visit http://www.davetrott.com . Also see http://www.youtube.com/watch?v=4okKl6... for an example on a 5 inch scope.

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