This is a no name classical with fan bracing. The owner , an orthopedic surgeon , had a friend buy this for him years ago in europe. His daughter had it for a few years and the cracks showed up. I had repaired some of the other top cracks with TJ Thompsons cauls and cleats. These two cracks I wonder about. Both are cupped upwards slightly. I have pictures of the cracks and pictures with a clear overlay showing the bracing below. I really…
Thanks Ian. I have seen the Doug and Dan video with TJ Thompson but could not find any others. I was thinking of splining the wider crack but it is cupped up. How would you handle that? Also looking i…
I don’t have CNC capabilities so I could not duplicate Dave Slimmer’s version ( https://loothgroup.com/loothprint/bridge-clamping-cauls/). Got a 12x18x1/2 inch HDPE cutting board on Amazon for under $10 (https://www.amazon.com/dp/B001D3LQVA), drilled a row of 1/2 holes about 5/16” deep with a Forstner, cut the HDPE into 5 sided chunks so I could orient by touch, and free handed the brace grooves on the band saw. The clamp swivel pads are 1…
Speaking of Trevor Gore... I've started using falcate bracing on my ukuleles and in making the braces, 3 strips of .0625" spruce are bent and then put in a bent lamination glue up rig using epoxy. Bending spruce is no fun on a hot pipe. It's slow, fussy, the fibers want to delaminate. I have been thinking about building a small dedicated steam box. Pulling all 3 of the strips out at once and bending them over a form with a metal back…
I tried it once for trying to bend mandolin sides. This was in 2006, back when the internet wasn't nearly as useful as it is today, so the attempt was pretty incomplete I think. If I remember correctl…
So, I made a modular clamp based on the split clamp idea. Started on a prototype about two months ago and finished it. What I was aiming for was a clamp that I could use on the BOTTOM of acoustic guitars as well as tops to clamp cracks, cleats, braces, patches etc. Especially a clamp that would access small openings like "F" holes, small sound holes etc. Essentially a way to get a clamp to areas not accessible to jacks, wedges etc.,…
I bought the O'brien vacuum clamp and a pump to clamp bridges on new builds, but also to use for repair work. I got tired of making custom top and bottom cauls for every odd-shaped bridge that comes in my shop. The vacuum clamp works great on a flat surface with no pick guard. I put it on a J45 with a pick guard, and it won't seal. The gasket is too hard to form over the pick guard. I've seen YouTube videos of other folks using vacu…
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Scott, Here is a pic of me using the clamp over a Taylor guitar that has a pickguard. I am able to get it to create a seal. The bigger issue for me is making sure to mask off the bridge pin holes and…
Dave Slimmer OldSchoolGuitarLoothprintTools, Spaces, Robots and WidgetsLite
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