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Post by gawpertron on Sept 26, 2024 14:38:51 GMT
Hi What way up should the inside top and tail blocks be glued to the sides of an acoustic guitar? Below are 6 diagrams to illustrate the possible directions I could place a top block in relation to the guitar sides looking down inside a guitar as if the top plate had been removed. The arrow direction indicate the grain direction which one out of the 6 examples is the correct orientation? P.S. I have also heard the top block being referred to either the heel or neck block as well. I Also plan to do a dove tail joint to attach the guitar neck so this might also influence the orientation too
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Post by gawpertron on Sept 28, 2024 9:30:41 GMT
Ultimately this might be a mute question as the size of the wood that I have been supplied with would only allow me to position it as per diagram 1 or 2.
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francis
C.O.G.
Posts: 2,439
My main instrument is: Whatever I'm building...
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Post by francis on Sept 28, 2024 12:47:53 GMT
If you need something smaller and stable then use marine ply laminations to the required thickness. Ideal for heel or tail blocks...
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garynava
Luthier / Guitar Maker
Posts: 459
My main instrument is: Stanley No.5
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Post by garynava on Sept 29, 2024 15:00:15 GMT
I'd suggest 2, that way you're not gluing the top, back or sides directly to end-grain. These days I laminate my neck blocks and use plywood for the tail. Cheers Gary
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Post by Alan J on Sept 29, 2024 15:23:54 GMT
For the neck block with the tapered dovetail recess.
Imagine a neck with an oversized dovetail male smashing into its recess. Which orientation of grain would provide the most resistance to the pressure against splitting?
That one!
Again for the tail, hammer a chisel between the butt joint of the two sides meeting. Which orientation would provide the most resistance.
That one.
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