Knabe once used little stickers pinned to rocker capstans on grands. A true pain ( especially when repeatedly removing the stack! ) but posessed of some mechanical advantages, so I've heard. Comments? Could a modern, more convenient version be implemented? Thump --- Richard Brekne <Richard.Brekne@grieg.uib.no> 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 > > > _______________________________________________ > pianotech list info: https://www.moypiano.com/resources/#archives __________________________________________________ Do you Yahoo!? Yahoo! Mail Plus - Powerful. Affordable. Sign up now. http://mailplus.yahoo.com
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