Upright Hammer Shank Length

[Andrew and Rebeca Anderson]

sandpaper wedge

At 11:59 AM 4/3/2006, you wrote:
>I'm installing a new action in an upright. I need to find the 
>"sweet" spot up at C88 to determine how long to cut the shanks 
>(determine strike point). Doing this on a grand piano is so easy by 
>sliding the action in and out a bit and the hammer assembly can be 
>glued nice and firm for good sound production.
>
>Does anyone have any suggestions on how to do this on an upright? If 
>you move the action, the regulation changes, and if you have the 
>hammer mobile, I fear it is too loose to really get a good sound. 
>How do you folks do make this determination?
>
>Terry Farrell

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