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hello :) What do you think is the thickness of the table for a flamenco?
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Andy Culpepper
Posts: 3023
Joined: Mar. 30 2009
From: NY, USA
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RE: hello :) What do you think is th... (in reply to kevinitalien)
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KEVIN kevin kevin. First of all it, depends on your piece of wood and the bracing pattern you are using, as well as the top doming. Also, there is no good reason to make that huge of a graduation in the top IMO, especially in a flamenco. The picture you sent me where it's all over the place like 3.0 in one spot and then 2.1 right next to that... forget about that. My advice given that your spruce is reasonably stiff, is to thickness it to around 2.2-2.3 ALL OVER before bracing. After the guitar is assembled with the back on and the bindings, start tapping and flexing the top and sand until you are satisfied. Most likely a final thickness of somewhere in the 2.0-2.1 range is correct, and maybe 1.9 or so at the edge. You can make a good guitar with the top thicker in the middle and tapered to just under 2 mm at the edge, but it will probably work better with a more classical setup, and it would be unusual for a flamenco guitar. Just start building! And good luck!
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Andy Culpepper, luthier http://www.andyculpepper.com
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REPORT THIS POST AS INAPPROPRIATE |
Date Feb. 19 2012 15:59:20
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Andy Culpepper
Posts: 3023
Joined: Mar. 30 2009
From: NY, USA
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RE: hello :) What do you think is th... (in reply to kevinitalien)
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quote:
Andy, Have you ever tried a guitar with a 2.5/2.0 graduation? If so what were your results?? Also how do you know what the graduation is after you have sanded out the completed box? I have, on my first couple of guitars. They sounded good, dry and raspy, but everyone always asks "are these super hard tension strings?" ... ultimately I decided that a flamenco guitar needs a thin top for a better right hand feel, better golpe sound, more volume, stronger trebles, etc. etc. I use a Hacklinger gauge to check the thickness of the top after the guitar is assembled. I know Kevin may not have access to one but he probably doesn't need one. The normal sanding/scraping involved in leveling the top and cleaning up the bindings should put him in the right range. If he starts with a top that is already graduated from 2.7 to 1.9 or something like that, he will end up with probably 2.6 to 1.6 or so, which is a little weird in my opinion. Kevin, I personally haven't tried building to a Barbero or Santos Hernandez pattern, but I've used a 5 fan pattern similar to Sabicas' Barbero but without the slanted harmonic bar. It's a good place to start but I'm sure the Santos is equally good.
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Andy Culpepper, luthier http://www.andyculpepper.com
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REPORT THIS POST AS INAPPROPRIATE |
Date Apr. 1 2012 20:35:52
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