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What's on the Bench?

As many of my blog posts hereabouts will attest, construction of my workshop occupied me for the best part of four years; even now there are "finishing off" tasks that divert me from guitar building. More significantly, the list of jobs around the house expanded impressively while I was focused on the workshop, so I've made a point of addressing enough items on the list over the past few weeks that I've been able to increase my guilt-free time attending to a couple of new guitars, both of which are at a similar state of completion.


I added some inner laminations of cherry veneer to the sides on these guitars, the advantages being that:

  • the potential for cracks in the sides is largely eliminated meaning that the application of bias tape or cross-grain wooden reinforcement is no longer required.

  • the sides are dead flat across the grain once laminated; there's no cupping or rippling and therefore no requirement to sand them flat.

  • a stiffer and more massive rim assembly means that the vibration of the top and back plates is absorbed by the sides to a lesser degree than would otherwise be the case.

There are many ways to laminate the sides, but I settled on using a jig modelled after the one pictured below, the idea for which I borrowed from guitar builder Ryan Gerber.


Epoxy thickened slightly with fumed silica is applied to the individual layers with a small foam roller. The roller promotes a thin, even coating of epoxy, which is of such a consistency that there is no bleed-through, and no runs or drips to deal with later.


Side laminating jig
Side laminating jig
Australian blackwood/Engelmann spruce OM
Australian blackwood/Engelmann spruce OM
Bubinga/Sitka spruce OM
Bubinga/Sitka spruce OM


Cheers

Pete

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