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PostPosted: Mon Apr 14, 2025 5:36 pm 
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Contributing Member
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Joined: Sat Sep 14, 2013 9:46 pm
Posts: 838
Location: Napa Valley
First name: David
Last Name: Foster
City: Napa
State: CA
Zip/Postal Code: 94558
Country: USA
Focus: Build
Status: Amateur
This is a classic example of...... if it aint broke don't fix it.

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These users thanked the author dofthesea for the post: Hesh (Tue Apr 15, 2025 3:51 am)
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PostPosted: Mon Apr 14, 2025 8:57 pm 
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Brazilian Rosewood
Brazilian Rosewood

Joined: Fri Dec 14, 2007 3:21 pm
Posts: 3418
Location: Alexandria MN
Wow, just saw this thread. I use a double tenon with a bolted down extension but have also used a bolt on with glued extension.

What I have noticed when tweaking a neck set is that after bolting on the neck and checking the angle both without and with simulated string tension (headstock supported and 10-12 lbs on the upper bout) there is definitely more movement before the extension is glued.

A glued extension does serve as a brace and who doesn't want more stability. Glue it. Absolutely no downside.

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It's not what you don't know that hurts you, it's what you do know that's wrong.



These users thanked the author Terence Kennedy for the post (total 3): rbuddy (Tue Apr 15, 2025 7:56 am) • Hesh (Tue Apr 15, 2025 3:51 am) • bcombs510 (Mon Apr 14, 2025 9:01 pm)
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PostPosted: Tue Apr 15, 2025 3:50 am 
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Old Growth Brazilian Rosewood
Old Growth Brazilian Rosewood
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Joined: Fri Nov 02, 2007 9:49 am
Posts: 13544
Location: Ann Arbor, Michigan
First name: Hesh
Last Name: Breakstone
City: Ann Arbor
State: Michigan
Country: United States
Status: Professional
mikeyb2 wrote:
" I still would like to know what problem you are attempting to solve and why you want an easily removable neck if you would please answer me? PM is fine. I was asked this same question, what the problem is by both pro luthiers I consulted this morning so there are several of us who would like to know."

Hesh, you keep asking me which problem, but really it's no big deal. Maybe the answer lies partly in your question i.e. that pro luthiers would like to know. Once again I remind you that I'm an amateur. Try and remember when you were one, and certain procedures seemed daunting. As pro luthiers, you will have the tools and experience to make the reversal of a glue joint second nature, not so as an amateur. I had to remove a bridge a few years ago, and also a fretboard. I didn't find either task a pleasurable experience. I don't have all the fancy heating equipment and jigs you have in a pro shop.

So, with this in mind, I try to make my life a bit easier, which in this case led me to thinking there may be an easier way to undo a neck if it was attached differently. It's a problem that is unlikely to be one I'll ever have to deal with, but it doesn't stop me thinking about it.
Cheers Mike.


Thanks Mike and I understand. When I was a newer builder pore filling plagued me and I almost quit building and would have never ended up a pro luthier had I not found a solution for pore filling that worked and more importantly worked for me.

Many of my early posts on the OLF were questions about pore filling.

When LMI published Mike Doolin's (thanks again Mike!!! and LMI) method of using System III ep*xy with micro balloons I tried it and it worked great for me the first time. I'm pretty sure that this saved the day for me and I continued to build and learn. In time I learned that using ep*xy to pore fill could be even much simpler than Mike's method, slather it on, press it in and squeegee off the excesses, etc. :)

Wanted to mention removing bridges when serviceable glues are used can be very easy and pleasurable I do it all the time. Removing a fretboard as some here from time to time suggest often wrongly... in their advice to others is a BIG deal and not a pleasurable experience for anyone. It's VERY rare and highly invasive to remove a fretboard so we do all that we can so that we never have to.

Our business has repaired over 20,000 guitars now and we have never had to remove a fret board. Some of our work has been full on restorations of 1800's Martins and still we never had to remove a fretboard. So it is not a common practice and it is highly likely you will never have to do that slog again, thankfully.

For everyone else this is why if there is one place that you cannot get cheap on guitar parts and that testing prior to installation is key it's the truss rod. Go with the best double action rod you can find because if it fails you will surely be SOL...

Anyway thanks Mike I think I understand now and I can relate too. If you are ever having trouble again say removing a bridge I'm happy to help. Thanks for the reminder too that we all see these tasks differently. I needed that and appreciate you explaining it to me Mike.



These users thanked the author Hesh for the post: mikeyb2 (Tue Apr 15, 2025 11:42 am)
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