action ratios

[Stéphane Collin]

Of course, you are right.  Man ! these measurements need such an accuracy ! I begin to see the light about friction issues.

Stéphane.


----- Original Message ----- 
From: "David C. Stanwood" <Stanwood@tiac.net>
To: "Pianotech" <pianotech@ptg.org>
Sent: Saturday, November 02, 2002 9:16 PM
Subject: Re: action ratios


| Stéphane,
| 
| Don't use a blade to rest the flange on, use a roller bearing, otherwise
| you will get inconsistent results..
| 
| David S.
| 
| At 09:13 PM 11/2/02 +0100, you wrote:
| ...
| >So if you are still interested, here are my corrected measures of SW (as I
| don't have the Stanwood tools yet, I did the SW measure holding the hammer
| shank on a blade just beneath the center pin, so the hammer shank is
| horizontal.  My previous measures were with the blade under the knuckle.
| My fault.)
| >...Stéphane Collin.
| 
| 
| 
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