Extra Capstan

[Farrell]

Is this not a principal similar to the helper springs on some wippen flanges?

Terry Farrell
  
----- Original Message ----- 
From: "Richard Brekne" <Richard.Brekne@grieg.uib.no>
To: "PTG" <pianotech@ptg.org>
Sent: Tuesday, January 14, 2003 11:36 AM
Subject: Extra Capstan


> Hi folks
> 
> Was dinking around today and got to thinking.... why not two capstans.
> One to take you up to letoff drop, and one to finish the job as it were.
> The immediate benifite would be to be able to design extra leverage in
> to the system while not sacrificing anything relative to touch.
> 
> I fooled around a bit with a upright jack return spring mounted in a
> half way bored tuning pin bushing. Placed just in front of the capstan
> and strong enough to help lift, but not so strong as to push the hamer
> away from rest position. It got 4 grams off Downweight.
> 
> Course any such contraption would defininatly get in the way of the
> capstan adjustment, unless you could figure out a way to easily remove
> and replace it... a slide mount or something.
> 
> Anyways... seemed interesting enough so I thought I would throw it out
> at you all
> 
> Cheers
> 
> 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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