OldTools Archive

Recent Bios FAQ

262368 Erik Levin 2017‑05‑26 Re: Yankee brace 2101a pad thread
Kirk opined:
>Do the threads really have to be "that" precise?   Seems to me that most of
>the braces I have taken apart have had smaller screws holding the main
>screw in place (stop the turning of the pad).  11-1/2 vs 12 should be a
>trivial difference. I tend to get fixated on details like this. Probably the
threads don't need to be that precise (wood moves, after all) but an accurate
nominal minimizes the chance of misfit or failure given the variation in the
parts I have in hand and other parts that may be seen in the future.
>How about filing a sharp edge on the leading edge of your screw, and just
>work it back and forth into an appropriately sized hole in the new pad. That
may be the final endpoint. I am still looking at this project for use in my
threading demo.
As to the lumberyard, I have the wood on hand. A really nice chunk of curley
maple from a tree i helped a friend take down several years ago. Truely lovely.

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Recent Bios FAQ