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Unread 21-04-2009, 18:36
Lil' Lavery Lil' Lavery is offline
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AKA: Sean Lavery
FRC #1712 (DAWGMA)
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Join Date: Nov 2003
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Re: pic: 1712 version of JVN high reduction gearbox - 2

If you zoom in you can read the plaque, which explains that it is 12x 12:60 (1:5) reductions, totaling a 244,140,625:1 ratio. If you turned the input at 100rpm, it would take 4.46 years for the small wheel to complete a single revolution.
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