[AT] Supposedly why our old tractors are not metric and a fairly simple tutorial
Cecil Bearden
crbearden at copper.net
Mon Feb 24 13:26:29 PST 2020
Does this mean that we use cornbread for a factor instead of PI?
Cecil
On 2/24/2020 2:09 PM, Mark Johnson wrote:
> There is an 'alternative' degree system where a full circle is 400
> degrees and a right angle is thus 100 degrees instead of 90. I haven't
> played with the math implications, but it seems logical that all
> triangles in such a system would have angles adding up to 200 degrees.
>
> The trig tables would look a bit strange at first but I think all the
> identities will work regardless of the metric.
>
> Mark J
>
> ------------------------------------------------------------------------
> *From: *"Stephen Offiler" <soffiler at gmail.com>
> *To: *"Antique Tractor Email Discussion Group"
> <at at lists.antique-tractor.com>
> *Sent: *Monday, February 24, 2020 8:32:41 AM
> *Subject: *Re: [AT] Supposedly why our old tractors are not metric and
> a fairly simple tutorial
>
> Metric time? Say 10 metric hours per day, 100 metric minutes per
> hour... why don't we do that?
> Metric circles? Why not divide into 100, or 1000 parts rather than 360?
>
> SO
>
> On Mon, Feb 24, 2020 at 9:09 AM Indiana Robinson
> <robinson46176 at gmail.com <mailto:robinson46176 at gmail.com>> wrote:
>
> I'm not sure how accurate this story is but it matches what I had
> read for years.
> https://www.thevintagenews.com/2018/04/12/metric-system-usa/
>
> If they had listened to Jefferson we would not be messing with a
> double system, metrics would just be what we use... The 10 based
> system can be done in your head (could have saved all those years
> learning those damned fractions) :-) and every tool box wouldn't
> have a fraction to decimal conversion chart tucked in somewhere
> that you can't ever find when you need it. Also we would not have
> to worry about some dead kings thumb size getting lost or a bad
> few years for the barley crop or a lot of other stuff they tried
> to set as standards long ago.
>
> This site looks fairly well done and I liked the little section on
> the metric size of a few common objects.
> https://www.wikihow.com/Measure-Centimeters?fbclid=IwAR1z77b9GTGRpTD7TM1cH51LA1CKzsTyPJ-n87HsRDmbJv7b5ME7QyCVpbs
>
> If you have forgotten how to use your Abacus there is a section on
> that too. :-)
>
>
> .
>
> --
> --
>
> Francis Robinson
> aka "farmer"
> Central Indiana USA
> robinson46176 at gmail.com <mailto:robinson46176 at gmail.com>
>
>
>
>
>
>
>
>
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