this post was submitted on 02 May 2026
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[–] groet@feddit.org 3 points 1 week ago* (last edited 1 week ago)

Yeah measuring in diameters is pretty strange but it was the first thing that poped into my head that would yield factors of pi.

Could also be that they a standard unit (1u) and would use both 1u radius wheels and 1u circumference wheels.

Or its all derived measures like "the length of a wheel spoke" and "the length of a string around the same wheel" so never the actually physical wheel is used for the measuring.

Maybe we should ask the tired archeologists?