> From: Gene Nelson <nelsong at intune88.com> > Reply-To: <pianotech at ptg.org> > Date: Mon, 1 Mar 2010 08:27:29 -0800 > To: David Ilvedson <ilvey at sbcglobal.net>, <pianotech at ptg.org> > Subject: Re: [pianotech] hammer return noise > > The jack knuckle alignment was initially set to the center of the core Do you mean center of jack to center of knuckle core? If so, why? General rule for alignment is back edge of jack aligned with back edge of knuckle core, placing jack further forward at rest than if centers are aligned. Paul Milesi, RPT Washington, DC (202) 667-3136 E-mail: paul at pmpiano.com Website: http://www.pmpiano.com
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