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Two half-builds

ctmullins

Still fueled by beer and coconut
Gold Supporting Member
Apr 18, 2008
16,016
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31,730
MS Gulf Coast
Disclosures
I'm highly opinionated and extremely self-assured
Hello LC friends!

While I enjoy every aspect of building from scratch, I also sometimes find interesting factory bodies for cheap, which I buy with the intent of making custom necks for. Here I share two such "half-builds".

The first one uses a Peavey Foundation body, purchased from that auction site. Factory black gloss paint with several large chips in it. I bought it thinking that it might fit a Fender-spec neck, but no. The neck pocket is just a wee bit too close to the bridge. So that opened up my options considerably.

F5_orig.jpg


I knew from my research that the body was maple underneath. I sanded all of the factory finish off and was pleased to find a nice four-piece maple body, with three of the four sections having some impressive figuring.

I built a deep-tenon narrow-spacing 33" scale five-string neck for it - sorry, didn't take photos of that, but it's pretty straightforward. Three-piece maple/cherry/maple, 24-fret pau ferro fretboard, scarfed tiltback headstock. I then deepened the neck pocket on the Peavey body accordingly.

F5_0087.jpg


I chopped off the neck heel - one of the worst aspects of the pedestrian Fender formula in my opinion - and the rear neck bolt holes became the front holes, with new rear holes drilled further in. That fifth hole is where the Peavey micro-tilt was. A bit unsightly, but oh well.

F5_0088.jpg


I had a pair of Aguilar DCB pickups that I found cheap on the TB Classifieds. The pickup cavities needed a bit of enlargement to accommodate them, no sweat. Finished neck and body with gloss Formby's tung oil.

F5_0089.jpg


Th reverse headstock is partly just for fun, but it also lets me use regular long-scale strings on the 33" scale neck without worrying about putting full windings on the B-string tuner post.

Schaller roller bridge, John East two-band preamp, fresh Lo-Riders, and bam! A very crisp and snappy sounding five-string for the collection!

F5_0092.jpg


The second half-build is based on an Epiphone EB-0 body that came from the TB Classifieds. The prior owner had already routed a second pickup cavity closer to the bridge. I modified that cavity slightly to accept a TV Jones Thunder'Mag on a custom ring. The factory neck pickup cavity will probably be used as a battery compartment.

EB_0082.jpg


The bridge is a BadBird II, designed and built by TB's own Scott Dasson as a direct replacement for the Gibson/Epiphone three-point. It comes with a beautiful custom tailpiece.

EB_0083.jpg


I'm building a 32" scale neck for this one. Three-piece maple, 20-fret mac ebony fretboard, scarfed tiltback headstock. Pretty standard stuff for me. But this one has a twist!

I've been very interested in weight reduction techniques lately, having built a few oppressively heavy basses, and since the EB is already known for a bit of neck dive anyway, I was looking for a way to lighten this neck a bit. I have also recently learned about Billy Gibbons' chambered neck guitars. Our own @reverendrally mentioned this a time or two in the recent past, and ever since I've been itching to try it. I have a decent grounding in Newtonian physics, and while I don't care to actually do the math, the truth is that a cylinder is very nearly as strong as a solid beam of the same outside dimensions, provided the cylinder wall thickness isn't too thin. Most of the strength comes from the material farther away from the center.

So I got myself a rounded router bit (I think they call this a "bowl bit", is that right?), and decided to actually try it! What's the worst that could happen? :)

EB_0098.jpg


After routing for the LMII truss rod, I removed material in three different sections. I decided to be somewhat conservative in my material removal, leaving plenty of material at either end of the truss rod, and two little sections in the center as additional support for the rod. I have no idea if those are actually necessary, it just seemed prudent. Depth of the chambered sections is only 3/8", the same as the truss rod channel.

EB_0096.jpg


EB_0097.jpg


I had the foresight to weigh the neck before and after doing this chambering, and the difference was right at 50 grams. Hmm. That's not exactly a phenomenal weight-loss achievement...

Currently the fingerboard is glued on, and the neck is ready for shaping and finishing. Stay tuned!
 
A productive Saturday! Got the headstock shaped, tuner holes drilled, frets installed and trimmed, side dots done, rough shaping done, and neck bolt inserts installed.

Love the Fearsome Shinto Saw Rasp!

EB_0103.jpg


Fits nicely in the neck pocket. This was a leftover fingerboard from a different project, and it's a little shorter than I might have wished. Still, 20 frets should be plenty.

EB_0099.jpg


Got a black neck plate for it.

EB_0101.jpg


Not too happy about this chunk of headstock that went missing. At least it's on the back...

EB_0100.jpg


I'll spray the neck with gloss black, either the entire neck or just the front-facing parts. Hate to cover up that maple!

EB_0102.jpg
 
Since you'll be using a painted finish, have you considered gluing in a piece of scrap maple, and sanding it to shape to fix that missing chunk?

I suspect that's what I'll do. I'm just being grumpy about it. :)
 
The evil Router Rash, hallmark of Satan, rears its ugly head! Had a few of those filled with bondo on mine. I'm guessing a carefully grain-matched infill will be nearly invisible. I'd paint the headstock and leave the back clear maple, looks too nice to paint. Cool bass, any idea on balance yet? I'd love to make an SG style body, but can't abide a neck diver, have yet to find a way to predict balance short of a full size mockup including hardware,
 
Got the wiring done. Damn I hate wiring.

EB_0104.jpg


That's a TV Jones Thunder'Mag on a homemade ring near the bridge. Beautiful pickup, and sounds killer too in my testing! Twin 9V batteries under the mudbucker cover. Single volume with a push/push (yes you read that right) active/passive. The passive setting runs the pickup straight to the jack, and is intended as a failsafe mode. John East BTB-01 two-band, on a stacked knob this time. Killer preamp, and compact too, important for this build. I'm not a fan of top-mounted jacks, but oh well.

Neck shaping is nearly done. Once I cut the nut I'll be able to assemble and play for a little while before putting finish on the neck. :)
 
All done! Had a St Patrick's gig yesterday, used both of these, was quite happy with them both. :)

Action shot of the EB, with my new GK MB500, a successful maiden voyage for that piece of kit as well (and obligatory green beer!):

EB_0107.jpg


The F5 (I think that's what I'm calling it, for "Foundation 5") has a refined sound, but plenty of flexibility, while the EB, with its single brash pickup, has a very direct, almost aggressive tone.

Glamour shots later!
 
Oh yeah, I totally forgot about the chambered neck thing. It plays and feels just like a regular non-chambered three-piece maple neck. :cool: Next time I'm getting more radical with the chambering!!
 
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I loaned the F5 to a friend of a friend a while ago, and tonight he told me that he likes it so much that he wants to buy it! I gave him a good price. It’s a great bass, but I’m running out of storage room... :bag:
 
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I loaned the F5 to a friend of a friend a while ago, and tonight he told me that he likes it so much that he wants to buy it! I gave him a good price. It’s a great bass, but I’m running out of storage room... :bag:

Sounds like the start of a career!
 
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