Re: Re: Cheap Encoders

I have been thinking about doing this
and using small prec, timing belts
mike
Matt Shaver wrote:

> From: "Matt Shaver" <mshaver@...>
>
> > From: "Dan Mauch" <dmauch@...>
> >
> > Yes it has been done before. Steve Stallings had a good idea using a wire
> > set up like a radio dial connected to a encoder. The mechanical part worked
> > fine but there were problems finds a pc lpt card that would work well. The
> > linear encoders are much simpler and more positve.
>
> I think this should be Steve Lindsay, see:
>
> http://www.angelfire.com/biz3/handengraving/dro.html
>
> I want to build this to see how well it works, especially whether the wire
> will slip on the pulley when wet and oily. This, and the US Digital linear
> strip, seem the only alternatives to commercial glass or capacitive scales
> (Shooting Star's rack and pinion setup perhaps being a third).
>
> Matt
>
> P.S. I've met Steve Stallings at some meetings of the Chesapeake Area
> Metalworking Society:
>
> http://www.cams-club.org
>
> He is a real nice guy and is the fellow responsible for the "Drop Box" at:
>
> http://www.metalworking.com
>
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