johnguitar -> RE: traditional back curvature/shape (Jan. 15 2012 9:47:51)
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SEden, You misunderstand the process of fitting a back (in the traditional manner) when you say hit and miss. When I was taught to fit the back I made eight measurements of height, six measurements of angles, a flat board placed at an angle on top of a section of each side to register high spots, and a strip of newsprint to confirm that the back was in contact with different parts of the rim especially the slipper foot. Surely you meant to say that for the BEGINNER "the dished method is easier, faster, more accurate" or that for yourself this is the case. For someone who has learned to do it correctly the traditional method is just as easy, probably faster and: 1)leaves a planed surface which is much better for gluing, and 2)it makes a perfect curve. If you have never learned to do this or have seen bad examples of this I think your are correct in doing it another way (which might be just as good). I also take exception to Estebanana's "workmanship of uncertainty"; done correctly the process is highly repeatable. There is a huge amount of misinformation on building available on the internet and in books. I think that those among us who make guitars professionally have an obligation to not add to that misinformation. John Ray Granada
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