Subject:
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gears...
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Newsgroups:
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lugnet.technic
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Date:
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Tue, 13 Mar 2007 23:34:27 GMT
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Viewed:
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6746 times
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This may sound stupid, but after half a decade of not playing with my Legos, I
have forgotten some basic stuff, which I was wondering maybe you could help me
with.
My biggest is with gears. Can someone explain to me why using a worm gear with
two reg gears (8t/40t) will increase the power? Thanks.
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Message has 2 Replies:
 | | Re: gears...
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| (...) Basically, a worm gear has one tooth. So using that with a 40-tooth gear reduces the rotational speed by a factor of 40, and increases the strength by the same amount. Also, worm gears can drive a gear, but can't be driven by that gear, so (...) (17 years ago, 14-Mar-07, to lugnet.technic)
| | | Re: gears...
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| Timothy is right about the mechanical advantage, and explained it very well! One more thing to remember is that since the worm gear acts as a "lock" for the other gear, you don't want to put too much torque on the other gear. You can either rip the (...) (17 years ago, 14-Mar-07, to lugnet.technic)
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