Look at the reflection of the lights Ric - it's all done with lighting! Seriously though, I too share an interest in board/bridge removal techniques. This board also came out of a more recent piano - commonly all the more difficult to remove with little damage. Nice pics, thanks. Terry Farrell ----- Original Message ----- From: "Richard Brekne" <Richard.Brekne@grieg.uib.no> To: "Pianotech" <pianotech@ptg.org> Sent: Tuesday, December 02, 2003 2:53 AM Subject: Re: Bridge Crown > Nothing like hard evidence... grin.... physical realities to illustrate > some basics about what is, and what isnt going on eh ? Nicely done John. > > It appears as if you pulled this board without any significant damage to > the edges. I'd like to hear just how you go about removing a soundboard > so cleanly. Also your bridges appear to have come off nicely. A quick > description of your routine would be interesting for sure > > RicB > > > > John Hartman wrote: > > > > This topic comes up from time to time and my take on it is that on the > > Steinway and Mason & Hamlins the bridges are machined with a definite > > crown. This crown helps to support bearing just as crowning the ribs > > does. How much benefit this has on the performance of the pianos I don't > > know but it seems a logical step toward creating a high quality soundboard. > > > > > > -- > Richard Brekne > RPT, N.P.T.F. > UiB, Bergen, Norway > mailto:rbrekne@broadpark.no > http://home.broadpark.no/~rbrekne/ricmain.html > http://www.hf.uib.no/grieg/personer/cv_RB.html > _______________________________________________ > pianotech list info: https://www.moypiano.com/resources/#archives >
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