Since every impact should twist the entire pin, stability is said to be easier to achieve. --Cy-- ----- Original Message ----- From: "Diane Hofstetter" <dianepianotuner at msn.com> To: <pianotech at ptg.org> Sent: Friday, November 03, 2006 11:52 PM Subject: RE: Impact Hammer > Actually, on uprights I feel more secure about the pin positions when > using the impact hammer because I have tuned uprights so long with an > impact that my stationary hammer technique is not as good and I fear > bending the pin. > > Diane Hofstetter
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