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Unread 02-05-2013, 21:18
thinker&planner thinker&planner is offline
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Re: New AndyMark Gearbox

For those of you who didn't know, AM released some more details on the "Sonic Shifter".
http://www.andymark.com/product-p/am...m_medium=email
As I am design a new practice drietrain, I am wondering if it would be possible to change the ratios so that the high ratio is around 4-4.5:1. I can't find details of 17 tooth CIM pinions used with it, or how that would change the ratio (what gear do they drive?).
Because we are using 4" (custom) wheels (in a WCD configuration) and want to directly drive one of them, sprockets aren't going to help. Is there another source for 20dp 14.5pa gears that I don't know about?

Anyway, some CAD would help