Glue

[Overs Pianos]

Hi Ron N. and all,

At 10:29 AM -0600 27/11/03, Ron Nossaman wrote:

>>I still get loose hammer heads even when doing it right.
>
>Then something isn't right. The best eliminator of loose heads I've 
>come up with is a slight countersink bevel at the edge of the hammer 
>bore. After applying glue to both hammer and shank, the bevel 
>funnels glue into the joint instead of scraping it off of the shank 
>as you spin the hammer on.
>

Absolutely, and I would like to add that a slight countersink on both 
edges of the hammer bore (an idea which I credit to Wal Sullivan at 
our workshop) really helps to strengthen the joint (which helps tonal 
consistency). The countersink at the back can provide for a glue 
collar at both ends of the hammer bore, provided that the tail 
shaping is judiciously undertaken, so as not to remove the rear 
collar altogether.

Ron O.
-- 
OVERS PIANOS - SYDNEY
    Grand Piano Manufacturers
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