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  1. Replies
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    Re: Post a picture of what's on your bench?

    When someone posted some pics of a 1920s Stromberg-Voisinet mandolin a few weeks back, I was reminded that I had traced the body and head outline of one that someone brought in for some repairs a few...
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    Shop disc sander for small delicate work

    One of my grandfathers was a patternmaker & I grew up watching him use 36" Oliver disc sander for almost every project.

    I picked up a smaller one this week for those times when you just need to...
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    Re: Crushed stone for headstock inlay?

    To me it sounds like your looking for a look that resembles micromosaics, which was an older approach to jewelry decoration. https://images.app.goo.gl/6GdnxQMtAT3Bn7XT7
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    Re: Post a picture of what's on your bench?

    Necking again in the shop while waiting for 'monsoon' season to pass. Ebony/quilt, African Blackwood, Brazilian rosewood, Macassar Ebony, brw/curly, ebony, desert ironwood, brw, brw, ironwood. Below...
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    Re: Crushed stone for headstock inlay?

    Recon stone is a good option. Or something like Inlace, though I think it ends up having a "Woodcraft Store Demo from the 90's" vibe.

    Filling a cavity with crushed/filler inlay is actually harder...
  6. Thread: Neck thickness??

    by pops1
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    Re: Neck thickness??

    I just looked at a few other guitars and they all stay the same to the heel. Even a 1928 Martin doesn't get bigger as it goes up the neck.
  7. Thread: Neck thickness??

    by pops1
    Replies
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    791

    Re: Neck thickness??

    My Brentrup stays the same to the heel. I have a guitar I built 30+ years ago that does the same. Neither have neck problems. Both have truss rods.
  8. Thread: Neck thickness??

    by CarlM
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    Re: Neck thickness??

    Thickness increases stiffness more than the same amount of width increase. Stiffness increases as the cube of the thickness but linearly to the width.
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    Re: Neck thickness??

    The way I look at it, the neck is widening under the strings anyway which is making it stronger. I always keep the same thickness from the nut to where the heel curve starts.
  10. Thread: Neck thickness??

    by CarlM
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    791

    Re: Neck thickness??

    Some of it is bending strength vs mass reduction. By making the base stiffer there is less deflection out near the end. If the full length were the large size of the base there would be a lot of...
  11. Thread: Neck thickness??

    by rcc56
    Replies
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    Re: Neck thickness??

    Some of it is tradition.
    Funny thing about traditions-- very often the traditions are adopted for good reasons, but what the reasons were gets forgotten as time passes into antiquity.

    It may also...
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    Re: Devastating floods in Kentucky

    Not directly, but I've spent a couple of days in Hindman slogging through the mud trying to save as much as we can from the school of lutherie and Troublesome Creek Stringed Instrument Company. 3 of...
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    Re: Post a picture of what's on your bench?

    Brescian mandolin in walnut and maple ready for the finish.

    202392
  14. Replies
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    Re: Post a picture of what's on your bench?

    Medical devices more than anything else, sadly. They pay a lot better than mandolins. But myself and a lot of other folks use these polishing compounds for cleaning up instruments during setups, as...
  15. Thread: Gal

    by amowry
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    Re: Gal

    My suggestion regarding GAL is to get all of the Big Red Books and read them cover to cover :).
  16. Thread: Gal

    by Marty Jacobson
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    Re: Gal

    Turquoise is a lot harder than shell. When I've used real stone (vs reconstituted stone, which is stone dust in a resin binder, so it sands nicely), the best approach I found was actually to build...
  17. Thread: Gal

    by Dusepo
    Replies
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    Re: Gal

    Does GAL stand for the Guid of American Luthiers?



    That's pretty much how classical guitar rosettes are made - a slice from a pre-made marquetry pattern. of course some final scraping is still...
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    Re: Post a picture of what's on your bench?

    After shoveling out this last batch of ovals I was going to enter a 12 step program to break my addiction to mandolin building syndrome(MBS). Then I found a piece of maple cut in Abany, Mo. by my...
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    Re: Vacuum clamping

    One additional note on making vacuum workholding fixtures. A good source for gasketing tapes and related materials is All Star Adhesives (allstaradhesives.com). They used to sell what they called...
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    Re: Vacuum clamping

    The joewoodworker site is a good one for everything vacuum related.

    Small hobby sized vacuum pumps tend to be around 1/8 hp. They burn out very fast if you don't have something like a mac valve...
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    Re: Vacuum clamping

    I built a central vacuum system for my shop, basically the opposite of an air compressor. A Gast laboratory pump pulls vacuum on a repurposed air tank, and a vacuum switch shuts it off when the...
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    Re: Vacuum clamping

    When it is not for photo purposes, they always get some kind of "breather mesh".
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    Re: Vacuum clamping

    There is absolutely no need for a high vacuum pump for clamping, and in fact, a very good reason not to. With (impossible, or really difficult sealing - remember, wood is porous in all directions),...
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    Re: Vacuum clamping

    Nigel Forster uses these for these types of things, John.... https://www.ebay.com/itm/283301596626

    I'd say draw it up and make something similar for yourself using your Shaper Origin.
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    Re: Vacuum clamping

    I have a massive vacuum setup that I mostly use for double basses & solidbody instruments. It gets used to re-arch collapsed tops and I also use it for much of my new build process. They don't have...
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