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Re: [TowerTalk] Sprockets

To: K8RI <>
Subject: Re: [TowerTalk] Sprockets
From: Charlie Gallo <>
Reply-to: Charlie Gallo <>
Date: Sat, 28 Apr 2012 07:28:40 -0400
List-post: <">>
On 4/28/2012 K8RI wrote:

> The most difficult part there is getting them aligned to the OD of the
> sprockets runs true, but in general this approach is much cheaper than
> the commercial sprockets with a 2" bore.

Not TOO bad.  Probably the easiest way (if an EVEN number of teeth is a set of 
soft jaws with pins in a 3 jaw chuck,  or make a mounting spider to follow the 
chain ring pattern, if divisible by 3, you can use a 3 jaw with pins (assuming 
an accurate OR set true type chuck) and of course, there is always working on a 
faceplate.  All are skills that are not that hard
73 de KG2V - Charles Gallo
Quality Custom Machine-shop work for the radio amateur (sm)


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