kominak -> RE: fretboard/neck/bridge geometry question on first build (Nov. 28 2010 15:38:37)
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ORIGINAL: Anders Eliasson To me it sounds like you´ve build with a lot of doming of the soundboard and a lot of angle in the neck/case joint? top is braced flat and the top curve is achieved by changing the width of the sides - they are 88mm wide between heel block and soundhole and then gradually widen until 98mm at the end block. So there's a 10mm front-to back curve. Also, now I noticed that the top is not entirely flat left-to-right. There's about 2mm curve (top in the middle is 2mm higher then on the sides), which was not intended... maybe there's the reason for the rather big difference between bridge and soundhole measurements? Top at the soundhole is almost flat left-to-right. Neck has a back angle to soundboard - when placing a straightedge flat on top, there's 3mm space between straightedge and neck at nut. This, again, was not intended, but I think it's a good think it happened in my situation? I don't see how could Barbero achieve better string to top angle with this design? Or were these old guitars not that flat in this regard? I've found here on Foro that your guitars end up with 8mm at the bridge and 8,5mm at the soundhole? What neck angle and how much top doming are you using? How thick is your fretboard? Is there some taper or is it flat? If you don't mind sharing... I'll definitely work more on the geometry on my next build. Thanks a lot!
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