General > General Technical Chat
UK back to "imperial" measurements ?
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branadic:


So will there be a similar video soon for UK?

-branadic-
TimFox:
Re:  Benta

Before 1959, the US legal definition was 1 meter = 39.37 inch (exactly), which is slightly different than the current legal definition (post-1959) that 1 inch = 2.54 cm (exactly).
This makes a difference for legal measurements of land tenure, which just got messed up again recently with the proposed abolition of the "US Survey Foot" that perpetuated the previous definition.
https://www.nist.gov/pml/us-surveyfoot
Benta:
@TimFox:
which proves my point. If there's no common reference, you're deep in manure. Henry Ford and US industry were smarter. Imagine specifying a precision-cut 1/4" milled slot when the supplier doesn't have the same inch size as you.


floobydust:

--- Quote from: TimFox on May 30, 2022, 07:38:17 pm ---
--- Quote from: floobydust on May 30, 2022, 07:19:57 pm ---I find the US is not metric. Example Bud Industries all dimensions are inches. Cringe. Even though they're made in Asia.
Hammond is a one button click for Imperial or Metric units. What's so hard about that.

--- End quote ---

So you would rather they change all their drawings, which are now "even" in inches and use US sheet-metal gauges, rather than do the exact conversion (since 1 inch = exactly 25.4 mm) on your calculator?

--- End quote ---

YES. Enjoy the time wasted working with this drawing and converting to Metric. Bud Industries are a dinosaur, the boxes use Metric fasteners lol.
It also makes hell for distributors/suppliers when you want to select a size on their website - in, mm, oz, ml what a mess.

P.S. - Adam Savage selling measuring stick tatoos for your forearm in: inches, cm, mm.
TimFox:

--- Quote from: Benta on May 30, 2022, 08:11:57 pm ---@TimFox:
which nails my point. If there's no common reference, you're deep in manure. Henry Ford and US industry were smarter.

--- End quote ---

Both the pre-1959 and post-1959 legal specification were a rational ratio between the foot and the meter (only exact in one direction).
Mr Ford was a stickler for precision measurements, and popularized "Jo Blocks" in the US, but the legal definition of the inch is a Federal regulation.
The first definition went back to 1866 as a Federal law.
I haven't looked for verification, but I was told once that the 1959 legal change was made so that the US inch would agree with the UK inch, which at that time was 25.4 mm.
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