D35 Three piece backs

dimensional parameters, brace designs, brace layout and the logic behind those choices
Robert Hosmer
Posts: 167
Joined: Tue May 08, 2012 7:30 pm
Location: Southern IN

Re: D35 Three piece backs

Post by Robert Hosmer » Tue May 15, 2012 6:07 pm

Sorry to resurface the thread, but I'm new here and have spent some time trying to catch up.
I figure it's best to ask questions related to a current thread than take up room with a new one.

Regarding the 3-piece backs, what alterations are made concerning the "reinforcing strip" called for in many of the plans out there?
Two strips, so as to have one at each seam?
No reinforcement?

What about 4-piece backs?
I don't hear much about them, but wouldn't mind trying it if I could get ideas on construction.
I have plenty of high quality wood in narrow widths, and would love to put it to use.
What seems to be the most common method of lining pieces up?
Two bookmatches laid side-by-side?
Slip match?
Or is it a case-by-case basis of whatever pattern appears most pleasing to the individual?

Thanks,
Robert
Always have plenty of sandpaper; it's rough out there!

TSPaxton
Posts: 10
Joined: Sat Dec 17, 2011 11:52 pm
Location: Cottage Grove, Oregon

Re: D35 Three piece backs

Post by TSPaxton » Tue May 15, 2012 6:45 pm

Hi Robert...

I've seen a couple of four piece backs... they turned out very nice. Another one had a three piece configuation but with the center "wedge" made up of five or six smaller wedges of different colorful types of wood, if you can picture that. It was beautiful! As to book-matches, I think that whatever pleases the eye will be the way to go... your choice!

Terry
Ts Paxton
Ts Paxton Guitars

ken cierp
Posts: 3924
Joined: Tue Dec 13, 2011 11:23 pm

Re: D35 Three piece backs

Post by ken cierp » Tue May 15, 2012 10:39 pm

Hi Terry,

For our three piece back kits I send an additional set of cross grain 3/4" x 1/16" Spruce, it actually look pretty cool through the sound hole.

Regarding four piece backs -- I don't think they have are as striking in appearance as the wedge shape three piece. Certainly works OK, there are plenty of Brazilian Rosewood guitars with four piece back as a result of scarce supply of wide BR billets.

TonyinNYC
Posts: 1510
Joined: Sat Dec 17, 2011 9:00 pm

Re: D35 Three piece backs

Post by TonyinNYC » Wed May 16, 2012 12:35 pm

The only correct way to arrange the pieces of a multi-pieced back is so they look good to you.
Use a spruce reinforcement on each joint.

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