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Private member DiscussionAcoustic Repair

Splines: When are they necessary?

Question about splines: At what point are they necessary? My question is primarily regarding the crack to the left between the bridge and the sound hole as well as the crack at the upper bout that runs along the fingerboard extension. I have already glued them both and used the TJ cleats that run the full length of the cracks. I have already splined the lower bout crack that runs from the bridge to the binding as it was super gappy and d…

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Private member DiscussionFinish New Builds

Sanding methods/mechanism routine

Good evening folks, lately I'm experiencing some sanding methods/mechanism frustration. Can't explain better than look like I'm regressing at doing it. The only thing changed in my building routine is that I'm currently using a CNC (I haven't used one for some years) for both bodies and necks. I have no problems with necks, but sanding bodies has become incredibly frustrating, specially around the edges. While I keep improving my c…

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Private member DiscussionAcoustic Builds

Cutting Fret Slots

I cut the fret slots for a baritone guitar build today, so I thought I'd share my method for cutting fret slots, as I think it is a bit unusual. I radius and profile my fretboard before I cut the slots. I print out a paper layout of the fretboard, double-stick tape it to the radiused and profiled fretboard, line up the saw by eye to using red hatch marks on the printout, and saw the fret slots with a 3" circular saw that rides on…

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Awesome! Can you share how you print out the fingerboard layout?
Private member DiscussionDesign and Testing

Testing Mandolin Top Wood Billets

For my current mandolin build, I set out to answer 2 questions: 1. Whether to use physical deflection or frequency analysis to measure stiffness, and 2. How well can I measure wood quality in rough sawn form? (T. Gore says it needs to be planed smooth and rectangular for frequency analysis.) I have 4 different topwood species available for my current build: California Sitka, Englemann, Lutz, and Coastal Redwood. The billets range from 37…

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Hello Neil, I also measure wood properties when I build mandolins and what you did is very similar to what I have tried, so I'd like to share some thoughts and comments. From my engineer point of view,…
Private member DiscussionAcoustic Builds

Cutting Clear Plastic Pickguard – Looking for Cleaner Results

I rarely use pickguards on my builds, as most of my guitars are intended for fingerstyle players. That said, I occasionally need to install one, and I've yet to find a cutting method that consistently meets my quality standards. I’ve experimented with several techniques for cutting clear pickguard material, but the results are always somewhat disappointing. Using a brand new X-Acto blade gives a reasonably clean cut, but there's almost a…

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I use raw pickguard sheet material, apply 3M 468MP Double Sided Adhesive Transfer adhesive sheet and trim to rough size with scissors or blades, depending on the pickguard material. I then attach to…