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Permalink Reply by Jim Saraceno on August 10, 2015 at 11:11am

I had to add extra support to the neck because by the time I removed enough wood to clear the lid (3/16") then another 1/8" so the the neck would no longer touch the neck, then I decided to take another 1/8" away to install the "pickup" on the neck, there wasn't enough wood left to keep it from bending under the stress of the strings.

I added no support for the lid (sound board).

Permalink Reply by Jim Saraceno on August 11, 2015 at 12:14pm

I just did an experiment of putting a 3/8" dowel between the neck and lid right under the bridge to see how it would affect the sound. It quite conclusively shows that the lid having contact with the neck seriously dampens the sound. At least in this one design of a CBG.

Here's a video of my experiment... https://www.youtube.com/watch?v=F31SJo9Xd70&feature=youtu.be

Permalink Reply by Paul Craig on September 7, 2015 at 9:40am

I put a through piece in mine that is 5/8" to 3/4" from the top so it doesn't interfere with top/soundboard vibration and put side and middle blocks between the through piece and back for stability. I  terminate the strings on one end  of the through piece and bolt or glue the neck on the other end. Then I can decide whether to make it acoustic or electric. If I decide to put pickups in it, I don't have to cut into the neck. 

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Permalink Reply by Paul Craig on October 6, 2015 at 9:45pm

Just realized that those pics were of my electric that is braced to the top instead of the back like my acoustic. So a couple pics for that.

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