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<p>I have worked in the dam engineering field for over 40 years.
With the beginning of an international society for dams and
engineering, the measurements became metric. I still have to
convert to have a good grasp of the aspects of a particular
dam. I try to use yards instead of meters when quickly trying
to estimate something. <br>
</p>
<p> I worked with a military unit in the 90's surveying elevations
for some remote sensing sites in SW Oklahoma . We used an
inertia-gyroscope type survey instrument that was in metric, it
was supposed to work in the UTM ( Universal Transverse Mercator )
system. They started using these in the Korean War. A week into
our project it started having problems, it was 2 days before we
caught on that it was giving us bad elevation data. At the time
none of us were very well versed in metric, and we were not
checking the output to see if it was even in the ballpark. We
also did not know which sea level datum was being used in its
system. The system was over a million bucks and this was about
the beginning of the GPS systems. Most of the early GPS systems
would not give good elevation data unless you had 2 receivers, so
this system was faster and the military assured us it was
reliable.....it had to go to a service depot in Houston along with
the Hummer it was mounted in. We borrowed another unit from a
national guard unit in central OK to finish by our deadline.
Later when we had a GPS we rechecked our elevations and found them
to be off a lot. There was no correlation on how much we were off
either. I later talked to an old military surveyor who told me
that we needed to travel from East to West when working with these
units to reduce the error. The funniest thing about these
systems was that they were used for setting the coordinates for
heavy artillery fire!!!!!! When I told my boss about the
inaccuracies and what the system was used for, we all had a good
laugh.... <br>
Cecil<br>
</p>
<div class="moz-cite-prefix">On 2/24/2020 10:57 AM, Mike M wrote:<br>
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cite="mid:6353d368-7462-cfb1-1126-f4d2112cf4dc@gmx.com">
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My wife is in is in health care and all they use is Metric.<br>
<br>
Mike M<br>
<br>
<div class="moz-cite-prefix">On 2/24/2020 9:55 AM, Phil Auten
wrote:<br>
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<p>The metrification began before the 80's, Stephen. I owned a
'72 Pinto Wagon that was mixed SAE and metric. I suspect that
every foreign car imported into the US was either all metric
or a mix, since most of the rest of the world has been on the
metric system for several decades.<br>
</p>
<p>Phil in TX<br>
</p>
<br>
<div class="moz-cite-prefix">On 2/23/2020 5:15 PM, Stephen
Offiler wrote:<br>
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<div dir="ltr">Sprayed liners are far from new. BMW built
motorcycle engines with this technology back in the 1980's
and riders have been know to put 300,000 and more miles on
those bikes. There was a time BMW car engines used a
similar technology and developed a bad reputation. It was
actually due to high sulfur fuel, and for one thing our fuel
in the USA now has far lower sulfur than back then, and for
another thing the whole industry moved to a different alloy
that is not susceptible.
<div><br>
</div>
<div>Does anyone care what percentage of the fasteners are
metric? I've been wrenching domestic vehicles that have a
mix of SAE and metric ever since we tried the metric
system in the USA back in the 80's. It's hardly an issue
worth mention.</div>
<div><br>
</div>
<div>And several car companies in recent years have paid
large fines for overstating fuel economy. I'll go out on
a limb here and guess that Ford has incentive to be very
truthful with those numbers.</div>
<div><br>
</div>
<div><br>
</div>
<div>SO</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Sun, Feb 23, 2020 at
10:35 AM James Peck <<a
href="mailto:jamesgpeck@hotmail.com"
moz-do-not-send="true">jamesgpeck@hotmail.com</a>>
wrote:<br>
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<div dir="ltr">
<div
style="color:rgb(0,0,0);font-family:Calibri,Helvetica,sans-serif;font-size:12pt"><span><span>Some
updates on the 2019 F150 no options pickup I
looked at.<br>
</span>
<div></div>
<div>Base engine is a 3.3L aluminum block V6 with
sprayed in cylinder liners. The Cleveland engine
plant has an attached aluminum foundry.</div>
<div></div>
<div>Someone somewhere knows what percentage of the
fasteners on the vehicle are metric. </div>
<div></div>
<div>I suspect the combined highway mileage is a tad
optimistic.</div>
<div></div>
<span><a id="gmail-m_3454437040926874855LPlnk542079"
href="https://www.wardsauto.com/penton_modal/nojs/forward/50363/0"
target="_blank" moz-do-not-send="true">https://www.wardsauto.com/penton_modal/nojs/forward/50363/0</a></span><br>
</span></div>
</div>
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