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PostPosted: Fri Feb 19, 2010 1:54 pm 
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Koa
Koa

Joined: Tue Feb 24, 2009 9:23 am
Posts: 1372
First name: Corky
Last Name: Long
City: Mount Kisco
State: NY
Country: USA
Focus: Build
Status: Amateur
I'm going to glue a "backplate" (not sure of the correct term - laminate on the back of the headstock) using a bookmatched piece of Amazon Rosewood to match hte back and sides of this 000.

The approach I'm thinking is this - thickness to .100, join it using handplane and shooting board, glue with (HHG? CA? Titebond?) then, once dry, bend the edge on my bending iron, to create that nice curve into the volute.

Will HHG lose it's bond when I try to bend the bookmatched piece? Better to use CA?

Thanks for the help.


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PostPosted: Fri Feb 19, 2010 2:09 pm 
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Old Growth Brazilian
Old Growth Brazilian

Joined: Tue Dec 28, 2004 1:56 am
Posts: 10707
Location: United States
I would not use CA in mostcase or a jointed seam. Hide, PVA or Epoxy (Hide would be my choice) .10 is way thick for a peghead veneer. Typically .06 is the comon veneer thickness. Is this a slotted peg head or a peg head for post type tuners? if for post type tunners you do not want the finished peg head thicknes to be much more the .63 total thickness. this is less of an issue for barrel type tuners.


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PostPosted: Fri Feb 19, 2010 2:14 pm 
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Koa
Koa

Joined: Tue Feb 24, 2009 9:23 am
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First name: Corky
Last Name: Long
City: Mount Kisco
State: NY
Country: USA
Focus: Build
Status: Amateur
Thanks, Michael.

Post type tuners, not slotted. OK - I'll make it a bit thinner.

So the HHG will hold firm while on the pipe? Clearly I'll be bending dry, then? No moisture?


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PostPosted: Fri Feb 19, 2010 2:25 pm 
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Old Growth Brazilian
Old Growth Brazilian

Joined: Tue Dec 28, 2004 1:56 am
Posts: 10707
Location: United States
Corky Long wrote:
Thanks, Michael.

Post type tuners, not slotted. OK - I'll make it a bit thinner.

So the HHG will hold firm while on the pipe? Clearly I'll be bending dry, then? No moisture?


Most post tuners have a max allowable working thickness somewhere near .63-.67" if your pegghead is any thicker the bushing will not engauge enough to secure the tuner and you may have too short of a post exosed for the proper winding.


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PostPosted: Fri Feb 19, 2010 2:47 pm 
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Koa
Koa

Joined: Tue Feb 24, 2009 9:23 am
Posts: 1372
First name: Corky
Last Name: Long
City: Mount Kisco
State: NY
Country: USA
Focus: Build
Status: Amateur
Thanks - Yes, I've measured the thickness - and I'll be below .55" even with the peghead veneer.

I'll go with the HHG. Thanks.


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PostPosted: Fri Feb 19, 2010 3:15 pm 
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Contributing Member
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Joined: Wed Oct 08, 2008 11:36 am
Posts: 7473
Location: Southeast US
City: Lenoir City
State: TN
Zip/Postal Code: 37772
Country: US
Focus: Repair
I just glued 3 of those last night. I glued at 0.1" thick and I did hit it with a plane on the shooting board to clean up the edges. I used fish glue but would have used HHG if I had it heated up. I'll thin the plates down later to about 0.06" as Michael has stated.

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