Building my first CB uke and when I strung it the the action lifts signifcantly.

The neck is bolted and glued and is firm as are the nut and bridge but the neck lifts under tension.

The sound board is the bottom of the box which was the deeper portion and I haven't glued the lid yet which may help brace it but I don't want to do this if I will need to fit bracings.

I have a piece glued beneath the bridge location just a little larger than the bridge itself and square batons all round the edge inside the box.

Maybe there's a thread already on this subject - I can't be the first!

Any help welcome!

Views: 665

Reply to This

Replies to This Discussion

How is the neck connected to the body? It sounds like the box is flexing where it's connected to the neck..got a picture?

Like CBJ says, maybe the lid is "caving in" a bit, which will also make the string height increase.

4 string uke...unlikely to be the neck bending unless you've tightened the strings waaaay too much.

CBJ most likely has the right of it and it's a simple fix, just cut a couple of gussets from fretboard scrap and glue one on either side of the neck location inside the box.

String pressure on a pinned bridge causes the sound board to bend up raising the action, profanity and bracing is the solution to that issue. I'm sure you've seen old acoustic guitars with that problem it's a PITA to correct.

A guitar with a tailpiece exerts downward string pressure to the sound board and can lower the action too much. The solutions are to make a taller bridge to compensate or add bracing to the sound board.

Thanks guys - checked the problem more carefully and it seems the movement is at the neck joint to the box. I just had one bolt through a block on the inside into the neck but another screw and some glue should sort it.

I didn't want to glue anything till I was sure.

Will check the bridge/saddle when I get the neck sorted.

It's my first attempt and it's amazing what you learn when you try doing it yourself. And very satisfying to hear a real note out of it!

Cheers all

Hope that works out for you.

Play us tune on it when it's done. :D

One bolt and one screw now and the action is way down - great result guys, thanks.

Might let you hear it when I learn to play - that's the next project :-)

It sounds like you have the box sandwiched between the neck and a block on the inside. If that's the case the box is probably twisting and it will likely happen again with some time. It's a good idea to have the neck run all the way through the box or some type of bracing that runs the length of the box with a solid way to attach the neck to the box and bracing. It's amazing how many things we learn in the first couple of builds, you'll only get better with each build. Keep on building!

As always, Bruce sums up exactly my thinking as I'm reading this thread.

Sounds like the top - end panel joint is flexing.  Reinforce with a glue block.

I tend to use a through neck and a tail piece which will prevent this problem, but the lack of a back will certainly let things flex a lot. The added backing block you have already added should also help keep you out of trouble;-)


The Essential Pages

New to Cigar Box Nation? How to Play Cigar Box GuitarsFree Plans & How to Build Cigar Box GuitarsCigar Box Guitar Building Basics

Site Sponsor

Recommended Links & Resources


Pin Tin Banjo

Started by Michael Bowlin in Building Secrets, Tips, Advice, Discussion. Last reply by Taffy Evans Nov 1. 11 Replies

EBE tuning

Started by Thomas A Morphew in Performances, How to Play, Lessons, Concerts. Last reply by Carl Floyd Oct 30. 2 Replies

Blog Posts

My first CBG from Captain Nemoff.

Posted by Vlad on November 29, 2023 at 3:41am 0 Comments

New Album 2023

Posted by Gary O'slide on November 5, 2023 at 2:41am 0 Comments

Spammer Alert, Beware!!!

Posted by BrianQ. on September 11, 2023 at 6:30am 1 Comment

Latest Activity

Doug Thorsvik commented on Poorness Studios's video

Wooden & Plastic Slide (Swannee) Whistles Compared

"I like the wood one better Kale! It has a richer tone. But the plastic one sounds good too; seems…"
34 minutes ago
Chance commented on Chance's photo


"Rod piezo straight to jack..."
37 minutes ago
Chance commented on Uncle Harry's Delta Blues's photo

roi tan box 80 yrs old

"Such an awesome build.  I have a few antique wood cigar boxes (over 100 years) and some from…"
2 hours ago
Chance posted a discussion

Sliders only.

Am I the only builder around who solely builds un-fretted, stringed instruments?  Many builders…See More
2 hours ago
Chance updated their profile
3 hours ago
Chance posted photos
4 hours ago
Uncle Harry's Delta Blues updated their profile
8 hours ago
Uncle Harry's Delta Blues joined Andy Stone's group

Cigar Box Ukulele

Does your cigar box contain a jumping flea?
8 hours ago
Uncle Harry's Delta Blues commented on Uncle Harry's Delta Blues's photo

roi tan box 80 yrs old

"I ended up restaining a tad darker and now they POP, Pics to follow."
8 hours ago
Keith Rearick liked Poorness Studios's video
8 hours ago
Keith Rearick liked Chance's photo
8 hours ago
Vlad posted a blog post
13 hours ago



© 2023   Created by Ben "C. B. Gitty" Baker.   Powered by

Badges  |  Report an Issue  |  Terms of Service

\uastyle>\ud/** Scrollup **/\ud.scrollup {\ud background: url("https://storage.ning.com/topology/rest/1.0/file/get/963882636?profile=original") no-repeat scroll 0 0 transparent;\ud bottom: 25px;\ud display: inline !important;\ud height: 40px;\ud opacity: 0.3 !important;\ud position: fixed;\ud right: 30px;\ud text-indent: -9999px;\ud width: 40px;\ud z-index: 999;\ud}\ud.scrollup:hover {\ud opacity:0.99!important;\ud}\ud \uascript type="text/javascript">\ud x$(document).ready(function(){\ud x$(window).scroll(function(){\ud if (x$(this).scrollTop() > 100) {\ud x$('.scrollup').fadeIn();\ud } else {\ud x$('.scrollup').fadeOut();\ud }\ud });\ud x$('.scrollup').click(function(){\ud x$("html, body").animate({ scrollTop: 0 }, 600);\ud return false;\ud });\ud });\ud \ua!-- End Scroll Up -->