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CNC’d Carved Acoustic Back
http://www-.luthiersforum.com/forum/viewtopic.php?f=10106&t=10873		 Page 1 of 1
Author:  Parser [ Sun Feb 11, 2007 12:14 pm ]
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Here's the back I carved for my current acoustic project - the wood is black walnut. It's carved very similar to the way you would do an archtop; it is carved inside and outside. The thinnest part - at the peak - is about 1/4" thick. I milled it flat along the bottom for easy glue up to the kerfing & end blocks.

The shape is really ergonomic...I'm sure I'll be cutting more of these!

Here's a side view:


a skew view of the back right off the machine


a frontal view of the machined part


a frontal view after the first sanding pass


Trev
Author:  mag29 [ Mon Feb 12, 2007 2:44 am ]
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Wow - a nice idea I always wanted to do myself but didn?t find the time yet.


Congratulations!


Martin
Author:  Bob Garrish [ Mon Feb 12, 2007 6:03 am ]
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That seems like a pretty heavy piece of wood for an acoustic back (1/4" thick at the thinnest). Seems like it'll be a good reflector (its job) but might make the guitar really back heavy? Can't wait to hear about the results both sound and balance-wise because it's a really interesting concept (it would also be easier from a production standpoint, if it works out).
Author:  Parser [ Mon Feb 12, 2007 1:51 pm ]
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For what it's worth the back has a pretty interesting tap tone. It's higher pitched than your average acoustic back...but it has a very bell-like ring to it.

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