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  1. Replies
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    Re: Spruce for kerfing

    Bending kerfed lining is generally straight forward. The kerfs leave a thin ribbon of wood that bends without the need for heat; just put it in place and it follows the curve of the rim. That will...
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    Re: Spruce for kerfing

    Either way, I would worry about the blocks separating from the "strip". And yes, hardwoods bend more easily and reliably IMO.
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    Re: Spruce for kerfing

    The OP mentioned reverse kerfing. Probably no "triangles".
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    Re: Spruce for kerfing

    I've made spruce kerfing, but it's very brittle so tends to snap rather than bend. Hardwoods tend to behave better.

    Solid spruce linings work well though.
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    Re: Spruce for kerfing

    I recall (but memory may fail) someone here posted mandolin linings made of two layers of solid spruce. Perhaps James Condino?
    I don't see anything bad about it but I would make sure to orient...
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    Re: Spruce for kerfing

    I have used spruce linings in a number of mandos, guitars and ukuleles. No issues. And as John mentioned, it's commonly used in violins.

    Thanks,

    Magnus
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    Re: Spruce for kerfing

    I've used poplar for self made linings on many instruments. It's inexpensive, relatively light weight, machines beautifully, and is strong. After repairing top cracks on instruments, I would be...
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    Re: mandolin wolf tone?

    A good friend (who is also a MC reader/contributor) suggested that I post more on the topic of wolf notes and possibly add some audio tracks so you could hear what wolf notes are. Searching through...
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    Re: Spruce for kerfing

    Agreed.

    Several woods have been used for linings. Some violin makers use willow. I've seen mahogany used in some guitars, though it would not be my first choice.
    I have used spruce to repair or...
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    Re: Spruce for kerfing

    I suspect the main reason is tradition, though many violins have spruce linings and I don't see any reason it would not work for reverse kerfed linings.
  11. A new Stromberg-Voisinet inspired mandolin

    A post about a 1920s Stromberg-Voisinet mandolin a few weeks back reminded me that I had traced the body and head outline when I did a bit of work on one a few years ago. So here is perhaps the first...
  12. Re: Torrefied, thermally cured, "roasted wood" for the home shop

    My process of considering why we would want heat-aged wood goes back to the desired result -- wood which behaves more like the aged material in excellent sounding old instruments. So, I started...
  13. Re: Torrefied, thermally cured, "roasted wood" for the home shop

    BTW, the boards I started with are North Carolina red spruce, cut about 30 miles from here up near Bryson City. I sourced them from The Hampton Brothers- the coolest young guys in the tonewood...
  14. Torrefied, thermally cured, "roasted wood" for the home shop

    Some very good friends of mine have been getting excellent results in their instrument builds using some variation of the torrefaction process whereby they basically cook the wood for specific times...
  15. A book on stringed instrument acoustics - The Caldersmith Papers

    There being a spirited discussion elsewhere on the forum about various devices claimed to improve stringed instruments by artificially vibrating them, I thought a few people here might be interested...
  16. Thread: A5 top thickness

    by SBJ
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    Re: A5 top thickness

    I've built four mandolins, and the top and back on each one is thinner than the one before it. I now have a concept of how flexible the top and back have to be, which seems too thin like Andrew said....
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    Re: A5 top thickness

    That's just crazy talk! :cool:
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    Re: A5 top thickness

    You could call up the guy who actually wrote that article and interact like real people rather than waiting for a response from the internet....;)
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    Re: A5 top thickness

    I think we've all reshaped a top after an initial string-up in the white. Or even after finishing the instrument completely.

    I left my first mandolin top entirely too thick, no real recurve. It...
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    Re: A5 top thickness

    Removing the overburden is burdensome. I would think leaving no more that 1/16 would be sufficient

    I wouldn’t know about reshaping under tension as a common practice, although maybe that’s a...
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    Re: Help with sealer coat

    Thanks to everyone for your advice, problem solved! Hopefully everyone sees this reply as I'm not sure how to tag everyone. I revisited my spray rig; Kobalt with a 1.4mm orifice. Harbor freight...
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    Re: 105 year old neck joints

    IF you look again you might notice that the back in the last set of pics has no binding (at least in the first photo of the pair). They seem to be different mandolins, one photo set just to...
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    Re: 105 year old neck joints

    Since it is summertime, I'm sure I'll need to get out the torture rack to finesse it all back together...delicate, delicate, delicate pressure- no gorilla clamping like a big old double bass!
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    105 year old neck joints

    Flashback from 1917: locating nails in the neck block & back, tablesaw kerfs in the dovetail slot, and shallow depth faux veneers for the neck center beam....
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    Re: Post a picture of what's on your bench?

    This carved much easier than the quilted maple I recently finished. A beautiful piece of koa.
    201765
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