The Deed.
It is done.
There are some loose ends to finish up, and a little more fabrication involved. But, today I punched through.
Allow me to tell the tale....
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One challenge I knew I'd have was drilling holes that were reasonably straight and perpendicular to the guitar. I also figured the best way to make a good cavity would be to use a template with the bearing bit on my router.
I do have a small drill press, but nothing with a large enough base for a guitar. So, I decided to use a drill guide. Here's what I used:
This one is pretty rigid and holds the drill firmly. I used the Forstner bit to help create the template. The template opening is essentially an elongated hole. I used the Forstner bit to make the ends of the hole and used my router to finish it up.
Here is the finished switch cavity template. I clamped it in place with padding similar to when I routed out the anchor point in the control cavity earlier.
The template functions both as a guide for routing, and it serves as a flat surface for my router and drill guide.
After I had it clamped in place, I used the drill guide with a 1/8" drill bit to drill a pilot hole through the upper horn of guitar. Then I used the drill guide with the Forstner bit to drill the center of the cavity to depth. The drill guide has a depth stop, which is nice.
Once I had the depth I wanted, I used the template with the router to route out the cavity. Here's the cavity all done. It also shows after I drilled the hole out to 1/2" to fit the switch. The camera angle looks like I came really close to the surface. In reality, there is about 3/16" of thickness for the switch.
Here's mockup from the rear with the switch:
And a mockup from the front:
So, as you can see...we're practically there. I still have to route the recess for the switch cavity cover, drill the channel from the neck pickup cavity to the switch cavity for the wiring, fabricate the switch cavity cover, fabricate and glue into place a new anchor for the control cavity cover, and apply fresh shielding paint to all the cavities.
But, the bulk of the surgery has been completed.
I have the patient recovering in intensive care, under heavy sedation, but resting comfortably.