Hi Richard. Nick Gravagne's web address follows. Fun little program. Nick Gravagne - http://home.att.net/~nickware/ Terry Farrell Piano Tuning & Service Tampa, Florida mfarrel2@tampabay.rr.com ----- Original Message ----- From: "Richard Brekne" <Richard.Brekne@grieg.uib.no> To: <pianotech@ptg.org> Sent: Friday, October 13, 2000 4:25 PM Subject: Re: Renner Action Geometry Calc > Hi there Terry, where did you find this action geometry program on the net ?? > would be interested in taking a look at it. > > Farrell wrote: > > > Hi List. I attended the All-Day Renner Action class in KC. They presented > > some action geometry diagnostic calculations that utilized "Key In, Key Out, > > Wippen In, Wippen Out, Hammer In, Hammer Out" measurements. I have my > > spreadsheet with all the formulas, but I cann't find my class notes that > > have the definitions of exactly where to physically measure for the six > > parameters. Does anyone have that info? > > > > Also, I downloaded Nick Gravagne's action geometry program from the web > > yesterday. It quite clearly appears to be the exact same formulas that the > > Renner approach uses. Am I right? I thick that the knuckle-to-hammer center > > measurement may be different though. Nick's program is very user friendly. > > > > Terry Farrell > > Piano Tuning & Service > > Tampa, Florida > > mfarrel2@tampabay.rr.com > > -- > Richard Brekne > RPT, N.P.T.F. > Bergen, Norway > > >
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