In article <002601c03bda$5aaa6680$bd3c070c@delsmachine>, Delwin D Fandrich <pianobuilders@olynet.com> writes > >----- Original Message ----- >From: "Diane Hofstetter" <dianepianotuner@hotmail.com> >To: <pianotech@ptg.org> >Sent: October 21, 2000 12:10 PM >Subject: Re:Air hammers for Pin torque > > >> Around the time I started stringing with an air hammer, I mentioned it at >a >> PTG meeting. After the meeting, Laroy Edwards came over and told me that >at >> the Yamaha factory they had discovered they got better and more consistent >> pin torque with an air hammer. >> Diane >> >----------------- > >This has been our experience as well. > >Del > > Could it be because there is no side impact to the pin, as you get with the arching effect with a normal hammer - so the pin or punch is not hit square each time. Barrie, -- Barrie Heaton PGP key on request http://www.a440.co.uk/ AcryliKey Ivory Repair System UK © http://www.acrylikey.co.uk/ The U.K. Piano Page © http://www.uk-piano.org/ Home to the UK Piano Industry
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