[AT] Supposedly why our old tractors are not metric and a fairly simple tutorial

[Stephen Offiler]

Just a matter of significant digits.  22/7 is about 0.04% higher than the
"true" value of pi.  That's pretty darn good for many practical purposes,
but I wouldn't want to be calculating a moon launch with that kind of error.

SO


On Mon, Feb 24, 2020 at 6:03 PM Carl Gogol <cgogol1971 at gmail.com> wrote:

> Cecil
>
> The things they teach you kids today!  Back before calculators they let us
> use 22/7 for pi.
>
> Carl
>
>
>
> *From:* AT <at-bounces at lists.antique-tractor.com> *On Behalf Of *Cecil
> Bearden
> *Sent:* Monday, February 24, 2020 5:15 PM
> *To:* at at lists.antique-tractor.com
> *Subject:* Re: [AT] Supposedly why our old tractors are not metric and a
> fairly simple tutorial
>
>
>
> 31416 x 10**-4
>
> Cecil
>
> On 2/24/2020 4:09 PM, Carl Gogol wrote:
>
> Reminds me, what is the metric equivalent for pi?
>
>
>
> *From:* AT <at-bounces at lists.antique-tractor.com>
> <at-bounces at lists.antique-tractor.com> *On Behalf Of *Al Jones
> *Sent:* Monday, February 24, 2020 10:11 AM
> *To:* Antique Tractor Email Discussion Group
> <at at lists.antique-tractor.com> <at at lists.antique-tractor.com>
> *Subject:* Re: [AT] Supposedly why our old tractors are not metric and a
> fairly simple tutorial
>
>
>
> Real men do fractions.  The metric system is the work of the devil.....
>
>
>
> Al
>
>
>
> On Mon, Feb 24, 2020 at 9:09 AM Indiana Robinson <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
>
>
>
>
>
>
>
>
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