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    <p>Since I have a spinal problem and now one worn out stiff knee,
      getting up and down under anything is a problem.  Once I get down
      I have to either make do with what I have or haul all 300 lbs of
      myself up and get what I need then when I get within a foot of the
      floor, I usually just try to fall on something soft!!!!!!  I have
      seriously been looking at this creeper made for aircraft. <font
        color="#3366ff"><a class="moz-txt-link-freetext" href="https://ezcreeper.com/">https://ezcreeper.com/</a></font> I just wish it was
      available with an electric pump.  I have been looking for a drill
      powered hydraulic pump to adapt to this creeper.  <br>
      Cecil<br>
    </p>
    <div class="moz-cite-prefix">On 2/25/2020 12:56 PM, Ron Cook wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:58684762-7079-0b28-84b5-b63c96e7d786@lakeport-1.com">
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      <p>Which is what I do.  And danged if I still don't have the right
        one!</p>
      <p>Ron Cook, Salix, IA<br>
      </p>
      <p><br>
      </p>
      <div class="moz-cite-prefix">On 2/25/2020 12:47 PM, Stephen
        Offiler wrote:<br>
      </div>
      <blockquote type="cite"
cite="mid:CAP6upcjy-=pAN1fh1iyiWc0TUuVVpEyy22tHRM3BtP+5g2tnVA@mail.gmail.com">
        <meta http-equiv="content-type" content="text/html;
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        <div dir="ltr">As a matter of fact I turn 58 today, and I
          maintain my physical fitness to the best of my ability, so
          you're probably right in that regard.  But sorry, I reject the
          notion that bringing the wrong wrench is a
          blood-pressure-raising event, and I stand fast by my comment. 
          This simply isn't an argument against the metric system. 
          Seriously, just bring several wrenches...
          <div><br>
          </div>
          <div>SO</div>
        </div>
        <br>
        <div class="gmail_quote">
          <div dir="ltr" class="gmail_attr">On Tue, Feb 25, 2020 at 1:28
            PM <<a href="mailto:deanvp@att.net"
              moz-do-not-send="true">deanvp@att.net</a>> wrote:<br>
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                <p class="MsoNormal">Steve, </p>
                <p class="MsoNormal"> </p>
                <p class="MsoNormal">You may not have reached the age
                  where getting down and under a vehicle and then
                  getting back up is a major effort.  Having the wrong
                  wrench when I get under there is not a happy event. 
                  Should I give up DIY wrenching?  Not a chance as long
                  as my body is still warm.  If I didn’t keep trying to
                  do this stuff I would have been 6’ under a long time
                  ago,  </p>
                <p class="MsoNormal"> </p>
                <p class="MsoNormal">Dean VP</p>
                <p class="MsoNormal">Apache Junction, AZ</p>
                <p class="MsoNormal"> </p>
                <p class="MsoNormal"><b>From:</b> AT <<a
                    href="mailto:at-bounces@lists.antique-tractor.com"
                    target="_blank" moz-do-not-send="true">at-bounces@lists.antique-tractor.com</a>>
                  <b>On Behalf Of </b>Stephen Offiler<br>
                  <b>Sent:</b> Tuesday, February 25, 2020 8:18 AM<br>
                  <b>To:</b> Antique Tractor Email Discussion Group <<a
                    href="mailto:at@lists.antique-tractor.com"
                    target="_blank" moz-do-not-send="true">at@lists.antique-tractor.com</a>><br>
                  <b>Subject:</b> Re: [AT] Supposedly why our old
                  tractors are not metric and a fairly simple tutorial</p>
                <p class="MsoNormal"> </p>
                <div>
                  <p class="MsoNormal">You might want to re-think the
                    whole DIY wrenching thing if that's all it takes to
                    get your blood pressure up.</p>
                  <div>
                    <p class="MsoNormal"> </p>
                  </div>
                  <div>
                    <p class="MsoNormal">SO</p>
                  </div>
                </div>
                <p class="MsoNormal"> </p>
                <div>
                  <div>
                    <p class="MsoNormal">On Tue, Feb 25, 2020 at 10:13
                      AM ustonThomas Mehrkam <<a
                        href="mailto:tmehrkam@sbcglobal.net"
                        target="_blank" moz-do-not-send="true">tmehrkam@sbcglobal.net</a>>
                      wrote:</p>
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                    <p class="MsoNormal">It was a evil plot to sell us
                      another set of tools. The proof is I still need
                      two sets to service my modern pickup.</p>
                    <div
id="gmail-m_5469930678955342265gmail-m_-2345801240008035631yMail_cursorElementTracker_1582634531805">
                      <p class="MsoNormal"> </p>
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id="gmail-m_5469930678955342265gmail-m_-2345801240008035631yMail_cursorElementTracker_1582634532373">
                      <p class="MsoNormal" style="margin-bottom:12pt">It
                        sells a lot of blood pressure meds. Especially
                        when I crawl under the darn thing only to find
                        that one d@m bolt is metric causing a cussing
                        wrench throwing fit as I crawl back out to get
                        that evil metric wrench.</p>
                      <div
id="gmail-m_5469930678955342265gmail-m_-2345801240008035631ymail_android_signature">
                        <p class="MsoNormal"><a
href="https://go.onelink.me/107872968?pid=InProduct&c=Global_Internal_YGrowth_AndroidEmailSig__AndroidUsers&af_wl=ym&af_sub1=Internal&af_sub2=Global_YGrowth&af_sub3=EmailSignature"
                            target="_blank" moz-do-not-send="true">Sent
                            from AT&T Yahoo Mail on Android</a></p>
                      </div>
                      <p class="MsoNormal"> </p>
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                            <p class="MsoNormal"><span
                                style="font-family:Roboto;color:rgb(109,0,246)">On
                                Tue, Feb 25, 2020 at 3:40 AM, Thomas
                                Martin</span></p>
                          </div>
                          <div>
                            <p class="MsoNormal"><span
                                style="font-family:Roboto;color:rgb(109,0,246)"><<a
                                  href="mailto:tmartin@xtra.co.nz"
                                  target="_blank" moz-do-not-send="true">tmartin@xtra.co.nz</a>>
                                wrote:</span></p>
                          </div>
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                          <p class="MsoNormal"><br>
                            > On 25 February 2020 at 17:12 John Hall
                            <<a href="mailto:jtchall@nc.rr.com"
                              target="_blank" moz-do-not-send="true">jtchall@nc.rr.com</a>>
                            wrote:<br>
                            > <br>
                            > <br>
                            > Don't know why they couldn't change
                            pipe threads, after all the rest of <br>
                            > the planet uses 60 deg, not 55 for the
                            British threads. Can't really see <br>
                            > how it is simpler than what we use. I
                            mean how exactly do the Japanese <br>
                            > explain such? Never seen a German print
                            in inches either for that <br>
                            > matter. If metric is so much better,
                            then go all in I say.<br>
                            <br>
                            Well the rest of the world for a long time
                            was British or used British technology<br>
                            before Sellars came along with his 60º
                            thread form in the US. The US wasn't a great
                            exporter<br>
                            at the time, focusing more on internal
                            expansion & self-sufficiency<br>
                            > <br>
                            > You missed the part about leaving out
                            the bastard pipe threads, didn't <br>
                            > you? We did so much hydraulic work at
                            one point that all I stocked was <br>
                            > NPTF, it works for NPT.  As you know,
                            NPT covers the vast majority, <br>
                            > while NPTF will cover the majority of
                            whats left. The scraps can be left <br>
                            > to those who specialize in oddities.<br>
                            > <br>
                            > Never needed an IH bearing that I
                            couldn't source from wherever. The <br>
                            > only roller bearing I ever needed that
                            was manufacture specific was the <br>
                            > plunger bearing on a New Holland baler.
                            Motion industries finally was <br>
                            > able to cross it, but I couldn't find
                            it any where else, not even <br>
                            > aftermarket ag parts. And the bearing
                            housing had to come from New <br>
                            > Holland, nothing even close. That set
                            up cost me close to $300<br>
                            > <br>
                            I think there is a slight time frame
                            difference in our work experience,<br>
                            My experience with Cat, IH, & AC was in
                            the 60s & 70 and included <br>
                            machinery built in the 50s. Cat & IH did
                            insist on bearings that were <br>
                            only Cat & IH inclusive, whereas AC
                            crawlers that used more Timken style<br>
                            bearings, could be sourced from any bearing
                            supply co. Five times cheaper<br>
                            than Cat Or IH equivalents.<br>
                            An interesting aside was that, rarely was
                            there a need for machining with<br>
                            AC, Cat or, IH as regards remedial repair of
                            parts. Good designs leave little<br>
                            room for improvement.<br>
                            <br>
                            > We have an entire section of bastard
                            taps at work, it has just as many <br>
                            > oddball metrics as it does english. It
                            all depends on the industries you <br>
                            > support as to what is in your tool
                            crib.<br>
                            ><br>
                            Around here, its fruit and meat processing.
                            <br>
                            At the local Heinz cannery, all the peach
                            & pear lines were American sourced,<br>
                            and the makers delighted in shaft sizes like
                            1-7/16", 1-9/16" & 1-15/16"<br>
                            with ODs to match. Only source was the
                            manufacturer.<br>
                            Another delight was the spaghetti extruder,
                            it had a 50hp motor driving <br>
                            the extruder through reduction gears, every
                            every shaft was a nominal size +<br>
                            a 1/16" Guess where the bearings had to come
                            from. It had one bad design <br>
                            fault in that the heaviest reduction had no
                            hunting teeth, and it had some<br>
                            very bad wear patterns revealed on
                            dismantling, had a blank forged in
                            Australia,<br>
                            it was about 600mm with a 152mm face. :-)<br>
                            > <br>
                            > I've found that engineers don't always
                            make stuff weird so you have to <br>
                            > buy from them, its often so you don't
                            make a substitution that <br>
                            > compromises the design. But there are
                            some that need a plate glass <br>
                            > stomach.....<br>
                            "Plate glass stomach"? <br>
                            Don't know that saying, although I have
                            modified modified maker's efforts<br>
                            for the better, when their designs were
                            found wanting. Flattering when they<br>
                            come up with the same improvement...<br>
                            <br>
                            Tom<br>
                            > <br>
                            > John<br>
                            > <br>
                            > On 2/24/2020 10:41 PM, Thomas Martin
                            wrote:<br>
                            > >> On 25 February 2020 at 15:17
                            John Hall <<a
                              href="mailto:jtchall@nc.rr.com"
                              target="_blank" moz-do-not-send="true">jtchall@nc.rr.com</a>>
                            wrote:<br>
                            > >><br>
                            > >><br>
                            > >> Fun fact. Did you know metric
                            pipe threads are actually in inches? They<br>
                            > >> are actually 55 deg threadform
                            (British Whitworth) but the pitch is in<br>
                            > >> metric. And the real fun part
                            is that the rest of the planet can't even<br>
                            > >> decide how to spec them on
                            drawing/print/blueprint. Different countries<br>
                            > >> have different designations
                            for the same thing. Off the top of my head,<br>
                            > >> I think there are a combined 7
                            different ways of designating metric pipe<br>
                            > >> threads (taper and straight),
                            as opposed to just 2. Now we won't split<br>
                            > >> hairs with short projection,
                            dryseal or other specialty threads--lets<br>
                            > >> stick to 99.999% of pipe
                            threads.<br>
                            > >><br>
                            > >> FWIW, I have 30 years in a
                            machine shop and have continually used both<br>
                            > >> english and metric without an
                            issue. Its the rest of the planet that<br>
                            > >> makes a big ordeal out of it,
                            we just grab a print and go with it.<br>
                            > >> English, German, Japanese--its
                            all the same--until we have to use<br>
                            > >> Translate Google to figure out
                            the notes.<br>
                            > >><br>
                            > >> One more fun fact. Next time
                            you need some roller bearings for your old<br>
                            > >> tractor and start measuring
                            them only to find they aren't exactly<br>
                            > >> english, convert them to
                            metric--you might ought to sit down first.<br>
                            > >><br>
                            > >> I won't even get into European
                            conduit threads--I've only had to do them<br>
                            > >> twice.<br>
                            > >><br>
                            > >> John Hall<br>
                            > >><br>
                            > > Well, John<br>
                            > > Europe did adopt BSP (British
                            Standard Pipe) threads<br>
                            > > back in the 19th century,
                            difficult to change horses now.<br>
                            > > Quite a simple setup compared to
                            the American system!<br>
                            > > Did you know that the US has 11
                            diffent derivatives of<br>
                            > > National Pipe threads?<br>
                            > > As for 11-1/2 tpi NPT, I bet many
                            a lathe manufacturer<br>
                            > > swore when Norton invented the
                            quick change gearbox for<br>
                            > > lathes and provision had to be
                            made for that.<br>
                            > > In fact would say I have cut more
                            peculiar threads of US<br>
                            > > origin that elsewhere.<br>
                            > > That goes for bearings also. Both
                            Caterpillar and IH used to<br>
                            > > get bearings, especially
                            taper-roller, ground to  their<br>
                            > > specific sizes, so that only they
                            could supply, at a cost<br>
                            > > 5 to 10 times the cost of a
                            standard size! Extortionate!<br>
                            > > Competition finally forced them
                            into standardization in the finish.<br>
                            > > FMC was another who engaged in the
                            practice in another field.<br>
                            > ><br>
                            > > Tom<br>
                            > >
                            _______________________________________________<br>
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                              href="mailto:AT@lists.antique-tractor.com"
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                            <p class="MsoNormal"><br>
                              > <br>
                              >
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                    <p class="MsoNormal">_______________________________________________<br>
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