[CAUT] measuring wippen weight

[Jon Page]

>There is a .4 change in action ratio either up or down when the half
>punching or balance rail veneer is used to help correct a high or low R


I think you mean .04 change.  I have use b/r shims twice to lower KR
(moving the fulcrum back) and friction.  It was used because nothing
else worked satisfactorily.
-- 

Regards,

Jon Page
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