[modeleng] sprockets

From: "Terry Lane" <tel@xxxxxxxxxxx>
To: <modeleng@xxxxxxxxxxxxx>
Date: Mon, 30 Aug 2004 20:04:54 +1000

I'm sure the info is somewhere but - have any of you got a quick way of
calculating sprocket cutting. I got a job here that calls for a sprocket
aprox 500mm diameter to drive 1/4" pitch chain. Now OK - the teeth gotta be
one pitch apart, & the holes gotta be pin dia.+?, but how do I arrive at a
pitch circle for the ring of holes?


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[modeleng] sprockets

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