Actually, you can get the
same values with the pythaogorean therom, which, I think means that you could
get them via compass and straight edge construction.
Actually, it's doubtful
they would have worried about this all that much as it isn't like they could
have set their miter gauge and blade to a certain set of angles. If
they did cut things this way, I'll wager they did EVERYTHING to the same peak
angle, rough cut it and then planed it to the appropriate angles using a
shooting board of some sort.
An Excel spreadsheet that will
the math for
... or is
Unless yer' planning on taking up a class teachin' higher math it ain't
cheatin' in MY book!!! (Hey... they'd have used computers if they
had em'... ;-) ... and in some instances did! I'd reference
some of the navigation aids, clocks, etc. that were used...
now, granted they were analog devices vs. digital... but that's simply because
the slide rule that was needed to do all the math for the digital computer
hadn't been invented yet... but it does kinda' make ya' wonder
just how the heck they did figure out the angles? Trial and error
seems like it would have hit the point of diminishing returns rather
quickly... or did they use some other kind of joint or jig???
Great find on the web site Avery... got that one bookmarked.
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