I am working on an article to post here on the Looth Group regarding the history, and problems, with scale temperament. In the process, I asked Claude about a particular point, and Claude gave me a quote that perfectly encapsulated the concept I was exploring. I asked Claude to provide the specific citation for the quote. Claude fessed up to outright misrepresentation. Probably nothing new here, but I thought it was worth sharing.…
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There's a really cool book, not specifically about intonation but dives deeply into it, called Harmonic Experience by W.A Mathieu. Highly recommended. Cheapish used.
Doug Proper designed a sanding jig that supports variable concave and convex curves, described in the following Loothgroup article:
https://loothgroup.com/post-imgcap/the-variable-radius-sander/
I built one and am impressed with how it facilitates preparing bridges, braces and also allows tracing any radius using the chord formula. I made a rough measured drawing and assembly guide to share, with Doug's blessing.
First step, ma…
TLDR: The specific acoustic impedance of the composite is 0.72 × 10⁶ rayl when the HGM content is 20 wt%, 70% lower than that of the epoxy resin. The minimum acoustic attenuation coefficient of the co…
I made a press along the lines of what was described in a John Calkin article in the Ken Parker issue of the American Litherie magazine. Today was my first chance to give it a shot and it seems to have done a great job. I diverged from the article by using Nylok nuts, which ended up being a total pain, definitely not worth The Certainty of it Staying Put. I also added 3D printed feet, so the threaded rod ends wouldn’t scar every surface…
Hey Paul, I’m using it to glue braces to tops and backs of these fairly tiny stick dulcimers, body roughly 6.5” x 11”. I’ll also use it to glue on the backs, using a thick caul over a bit of conformin…
