In searching for cheap alternatives to expensive
racks, I have tried a toothed belt fastened to a flat
surface with the cog rolling along it, They have
massive backlash and slop. I never got it to work well
enough for a camera despite trying the finest toothed
belts I could find.
I tried miniature bicycle type link chain with MUCH
better results, but the chain is tough to get fastened
in an acceptable way and cost nearly as much as the
dang racks I was trying to avoid.
Small Parts Inc. sells reasonably priced nylon racks
which I will experiment with next. A pair of racks is
about $20.
Barry
--- John Yeo <[EMAIL PROTECTED]> wrote:
> I've just seen toothed belts... but i guess a
> toothed belt could be glued to
> something solid and fuction as a rack gear.
>
> John
>
> ----- Original Message -----
> From: "Lyndon Fletcher (UAB)"
> <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Monday, September 03, 2001 3:10 AM
> Subject: [Cameramakers] Rack and pinion
>
>
> > Many old dot matrix and daisywheel printers use
> either a fine pitched
> screw rack or a rack and pinion to move the print
> head across the paper. As
> everyone uses lasers or inkjets these days you may
> find something suitable
> in a trift store.
> >
> > Lyndon
> >
> > > Dores anyone know here I can buy rack nd pinion
> online- I hve tried to
> > > find someone in Australia but to no avail -
> everyone I speak to says
> > > they will makke it for me at a high pric
> > > David
> > _______________________________________________
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> > [EMAIL PROTECTED]
> >
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>
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