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Discussion in 'Luthier's Corner' started by Robert Canfield, Feb 26, 2015.
I'm sure someone does. You can see there is about an 1/8" bow to the right.
Are you doing dual trussrods? They are supposedly intended to straighten out any twist, don't know about bow. If worse comes to worst, you may just have to plane out the bow on your jointer. I don't think the 1/8" difference in laminate thickness would be noticeable over the length of the neck. I'm realizing this whole luthiery craft is, at least for me, a series of small errors I have to dream up workarounds for. The best luthiers just know all the workarounds.
I think I'm going for this head shape.
I don't like hand shaping templates. My kingdom for a belt sander!
Try a cheap (Harbor Freight) drum sander chucked into a drill press. That has the advantage of keeping the template edge square anyway. Wish I had a spindle sander! I had a really hard time making my templates, took forever, and they are far from perfect. I have one spot on my templates I sanded too flat, kind of lost a piece of the curve. I may have to go back and bondo the edge and re-shape it. The flush trim pattern bits will faithfully reproduce every little F-up. All those compound curves!
You're not alone there sir; it's how I learn.
Bondo - Check!
I bought this stuff called "high performance wood filler", supposed to be made for wood, or have wood dust in it, yadda yadda, crack open the can and that familiar smell of.... Bondo. Paid twice the Autozone rate for yellow bondo. I'll be using it to fill some tearout too.... sigh.
Gluing up neck #2. This time I took into consideration the bend in the purple heart. Purple heart one direction, both maple in the opposite direction and the two walnuts opposing each other. And, left to cure lying on it's back instead of it's side. We say see...
The second neck is spot on (so far) and I have the body and headstock templates done. BTW, parchment paper works great for gluing, glue doesn't stick to it at all.
Progress! Once again, we beat back the forces of entropy and sloth by building something! I can't wait for my weekly 3 hours (if i'm lucky) of worship at The Temple of Wood (or at least wood dust). That neck laminate is going to be sweet running through the back of the bass. Template looks great.
Second neck planed. First top being glued.
This first walnut version will have Aguilar Super Singles, which I already have, and a piezo gold bridge. The second is Maple top will be more Ric like. It will have a TV Jones Mag and a Chi Sonic Vintage. I'm cutting the scarf first then routing for the truss rod and the carbon rods. But first I need to make a scarf jig for my table saw. I don't have rails that fit the slots so I have to fabricate something T shaped to attach to my jig sled. Oh bother,....
A little here, a little there, we'll get it done. I was finally able to get started on making a scarf jig. I had to make a jig to make the jig... You might say I'm Getting Jiggy With It. Then again, you might not.
I just can't pass up a pun. I know it's bad,... it's a compulsion.
The jig is up for you.
I cut my scarf on a table saw and it's askew. What is the best way to straighten it up (get both cut to match up)?
The best method I've seen is to tape both pieces together, glue face down, such that both faces can be sanded or planed simultaneously. This should cancel out any tiny variations in the bevel. I've never made a scarf joint myself, but the idea seems sound. My next build will have scarf, so I will have to figure this out too.
Yeah that's probably what I'd do as well. My next project will be my first neck build so, I'm watching this with interest.
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