Wood Gear Clock - MLT10

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Uploaded by on Sep 20, 2009

Wood Gear Clock - Designed by Marc Tovar and built by Keith D. Greffe

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Howto & Style

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Standard YouTube License

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  • Very nice! Proof of skill and patience.

  • (3600 secs in one hour makes the minute hand go around once) Unfortunately for every time that you convert the large gear into the small gear that turns the next gear, you have to multiply by that small gear's number. 8 teeth on a small gear is common. So, 120 x 8 = 960 Divide that by the next large gear and then small gear.... etc. It usually works out better if you look to get your number close to 3600 instead of having to divide 3600 by whatever, just due to the numbers working better.

  • @djmstride You have to work out the figures for number of teeth for each of the small wheels to each of the large wheels. It's a big numbers game that you work with. Usually the Escape Wheel has 30 teeth on it because it gets only one half of a turn for each *tick* or *tock* of clock. If you figure that you want 3600 seconds in one hour then 3600 / 30 = 120 for the ratio of gears that you will need to convert.

  • I've tried to do some design calculations on this clock to determine the accuracy and have not been very successful. How many teeth does each of the three large gears have? 50? Do all the gears have the same diametric pitch?

  • Do sell plans for this clock? Very nice.

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