Two Capstans again

David Ilvedson ilvey@sbcglobal.net
Thu, 16 Jan 2003 12:42:26 -0800


Can you make a drawing or take a picture of this...I'm trying to work it out in my 
feeble mind...

David I.

On 16 Jan 2003 at 21:33, Richard Brekne wrote:

> Hi folks..
> 
> I just had to ask this..... you see I got to thinking about the idea
> of two capstans... or something to the effect, and so I took a sawed
> off capstan screw today and fastened a tuning pin bushing on top...
> one of the kind that was prebored... 6mm hole in an 11 mm dowel.
> 
> And I screwed this thing on to an action model you see.... and by
> golly the darn thing worked great. I got both a greater mechanical
> advantage, and a bit more letoff distance. I couldnt find any friction
> difference worth mentioning.
> 
> With the origional capstan DW was 54 and UW 28, and with the
> juririgged capstan DW was 51 and UW was 26. Also, a 41 to 38.5 BW
> 
> I dont really know what to think about the ratio in this as it would
> change through the key stroke.
> 
> So tell me this is a crazy idea, and why. Whats wrong with the idea of
> a concave capstan top instead of the convex design we have ?
> 
> curious
> 
> RicB
> 
> --
> Richard Brekne
> RPT, N.P.T.F.
> UiB, Bergen, Norway
> mailto:rbrekne@broadpark.no
> http://home.broadpark.no/~rbrekne/ricmain.html
> 
> 
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