[pianotech] double-striking hammers on chinese uprights

Qshooterq at aol.com Qshooterq at aol.com
Thu Aug 20 13:34:34 MDT 2009


Don't rule out the jackpot going too deep under the hammer butt.   A 
thicker butt felt square has done the trick for me more than once. It lessens the 
amount of travel the jack needs to escape from the hammer return.     --- 
Tom Gorley


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