This is a multi-part message in MIME format. ---------------------- multipart/related attachment ------=_NextPart_001_0029_01C6358C.A1B62440 David M. Porritt wrote: While you have an unstrung board is it possible to put weights on the = bridge approximating the downbearing load you expect to have then = reexamine the crown and bearing angles? Would this give an elementary = idea of the board's ability to sustain that load? Yes indeed. I consider that to be an integral step to setting up a new = soundboard. I use go-bars to apply down-force to the bridges (see the = picture below). I calibrate the go-bars by measuring the go-bar pressure = with a scale (see second picture - my wife keeps bugging me: "Terry, = where is the bathroom scale?"). I suspect that after one has built and = set up many, many soundboards, this step may not be necessary. But I = find a tremendous educational dimension to the process. Terry Farrell ------=_NextPart_001_0029_01C6358C.A1B62440 An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/05/d0/d7/35/attachment.htm ------=_NextPart_001_0029_01C6358C.A1B62440-- ---------------------- multipart/related attachment A non-text attachment was scrubbed... Name: not available Type: image/jpeg Size: 193822 bytes Desc: not available Url : https://www.moypiano.com/ptg/pianotech.php/attachments/46/84/2c/dc/attachment.jpe ---------------------- multipart/related attachment A non-text attachment was scrubbed... Name: not available Type: image/jpeg Size: 92579 bytes Desc: not available Url : https://www.moypiano.com/ptg/pianotech.php/attachments/1b/77/a0/49/attachment.jpe ---------------------- multipart/related attachment--
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