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Modular Guitar


gitnoob

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So if you've been closely following my Reboot thread, you know I made a CBG. Such a simple thing. Basically a box on a stick. But that's the essence of any guitar.

 

The first thing that struck me when I made the neck was how resonant it was. I mean if you whack a 1x2 piece of maple, you'll get some response, but if you remove a bunch of wood where you plan to attach a box, and then whack it, that stick really sings.

 

So that led to a few thoughts. Maybe I underestimated the contribution of the neck to tone. Maybe a neck-through design would be viable for an acoustic.

 

OK, put that on the back-burner for a bit. I needed to finish my CBG, and then I want to offer the kids some amplification options.

 

So you basically have the following choices:

 

No amplification. Or rather, just the box as an acoustic resonator for amplification. That's what I have now, and it's pretty responsive for a small plywood box.

 

Piezo disc stuck to the sound board.

 

Piezo bar under the saddle.

 

Various combinations of magnetic pickups. Single coil, humbuckers, neck vs bridge, slanted vs straight, etc.

 

I could make a BUNCH of guitars to demonstrate the differences. Or maybe I could make one modular guitar. Hmm.

 

A couple of other ingredients to this thought soup: the ubiquitous Fender-style bolt-on neck, and the aesthetics of Yamaha's ubercool Silent Guitar.

 

And one more thing. I've become addicted to CAD. I even designed the CBG that way.

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The basic idea is to take a bolt-on neck and turn it into just about any type of guitar you want. So the first components I prototyped were a modular base, and couple of plug-in pickup modules -- one for humbuckers and one for tele-style single-coil pickups.

 

Still a work in progress, but the base looks something like this....

 

It'll fit in a cigar box. You can add "wings" to it a la the Silent Guitar. Just a platform for experimentation for now.

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Never considered a hurdy-gurdy, but now you've got me thinking about it. One of my other hobbies is robotics, and I'm always looking for ways to combine hobbies.

 

I made a half-assed attempt at combining robotics with wood working. I was building a little robot arm from a collection of Chinese parts, and there was a part missing. So I carved a replacement from a piece of mahogany. (Attached)

 

That got me thinking about making a full-blown automaton out of wood. Still on my to-do list.

 

But building a hurdy-gurdy would be in the same ballpark, and it would bring another hobby into the loop!

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