hammer line

[D.L. Bullock]

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I learned about it from Danny Boone (who later wrote the bible on grand
regulation)

I close the grand lid, put down a thick quilt and put the action up on top
above where it normally goes.

Set the fall board behind the action to give you a black background.

I have made up a jig that makes a straightedge that can tilt. You can also
use any straight edge and set it on the flanges.  The keystrip or keyslip
works as well.  You must adjust it for each section with guide hammers at
each end already set to correct height.  Use your eye to set the
straightedge to allow only 1/32" of hammer to show above the straightedge.
You must shim the end of the straightedge up to get the two end hammers to
look the same.

Now adjust all the hammers til they show the same amount over the
straightedge.  The jig can be seen in the Danny Boone book available at all
piano supply co's

D.L. Bullock    St. Louis
www.thepianoworld.com
 ----- Original Message -----

    From: Jack Houweling
    To: Pianotech
    Sent: Friday, March 05, 2004 9:26 PM
    Subject: hammer line


    Hello

    I am looking for an effective way for setting the hammer blow  in the
customers house. After setting  samples inside the grand piano how can I get
a perfect hammer line outside of the piano? Is there any jigs?

    Jack Houweling


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