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    Starter gears on the flywheel. Heat them up with the torch, they
    expand, tap them off, flip them around (provided the teeth aren't
    beveled on one side) or heat a new one and drop it on. Go drink a
    soda  while it cools then bolt it back together.<br>
    <br>
    John Hall<br>
    <br>
    <div class="moz-cite-prefix">On 7/4/2019 4:31 PM, Moe Fretz wrote:<br>
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cite="mid:CAFhA9cwQT+gsZgytfL+9C5urd9C3LcFnVkdB5D60Dd0tLauEaw@mail.gmail.com">
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          style="font-family:verdana,sans-serif;font-size:large;color:#a64d79">Flywheel
          ring gears??</div>
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                      $-------&<br>
                      Moe Fretz<br>
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                      L'Orignal<br>
                      Ontario, Canada</div>
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      <div class="gmail_quote">
        <div dir="ltr" class="gmail_attr">On Thu, Jul 4, 2019 at 3:10 PM
          John Hall <<a href="mailto:jtchall@nc.rr.com"
            moz-do-not-send="true">jtchall@nc.rr.com</a>> wrote:<br>
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        <blockquote class="gmail_quote" style="margin:0px 0px 0px
          0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Been
          loosely following this, don't believe I have seen starter
          gears <br>
          mentioned--thats about as tractor related as you can get.<br>
          <br>
          John Hall<br>
          <br>
          On 7/4/2019 2:48 PM, <a href="mailto:szabelski@wildblue.net"
            target="_blank" moz-do-not-send="true">szabelski@wildblue.net</a>
          wrote:<br>
          > Another good example would be how they make spoked wooden
          wagon wheels. After all the pieces are put together they heat
          up the metal ring to expand it, then cool it off with buckets
          of water after it’s in place to shrink it back down (and
          before the whole thing burns up).<br>
          ><br>
          > ----- Original Message -----<br>
          > From: Stephen Offiler <<a
            href="mailto:soffiler@gmail.com" target="_blank"
            moz-do-not-send="true">soffiler@gmail.com</a>><br>
          > To: 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>
          > Sent: Thu, 04 Jul 2019 07:02:28 -0400 (EDT)<br>
          > Subject: Re: [AT] List quiet!! Everyone OK, or just
          waterlogged??? --> Lug bolts, JD A<br>
          ><br>
          > Yep.  The washer example is a great way to explain how
          thermal expansion<br>
          > works on holes.<br>
          ><br>
          > SO<br>
          ><br>
          ><br>
          > On Wed, Jul 3, 2019 at 3:31 PM <<a
            href="mailto:szabelski@wildblue.net" target="_blank"
            moz-do-not-send="true">szabelski@wildblue.net</a>> wrote:<br>
          ><br>
          >> No. Thermal expansion is constant.<br>
          >><br>
          >>   Consider a flat washer. If you heat it, it will
          expand on the outside and<br>
          >> get larger because the molecules are separating due
          to the heat. The outer<br>
          >> circumference is now bigger.<br>
          >><br>
          >> Likewise, the inside expands due to the heat and the
          internal<br>
          >> circumference becomes bigger by the same ratio.<br>
          >><br>
          >> Think of what happens to the outer edge. The outer
          edge gets longer so the<br>
          >> diameter becomes bigger because it remains circular.
          Now apply the same<br>
          >> thought to the inner edge. It gets also gets longer,
          so again the diameter<br>
          >> becomes bigger because it remains circular.<br>
          >><br>
          >> The washer also gets thicker due to the heat.<br>
          >><br>
          >> Have you ever seen someone replace the lower pulley
          on a Farmall Cub? You<br>
          >> really have to put a lot of pulling force to get it
          off of the crankshaft.<br>
          >> In order to get it back on, you have to heat the
          pulley to somewhere near<br>
          >> 300 degrees and press it onto the crankshaft. That’s
          why the crankshaft is<br>
          >> threaded on the end so you can use a 3/4 inch bolt
          and washers (or some<br>
          >> other spacer) to press it on.You have to make sure
          both pulleys line up<br>
          >> properly, so you need to get it right while the
          pulley is hot enough. When<br>
          >> the pulley cools you can’t just tap it back and forth
          to line them up, it’s<br>
          >> on there good.<br>
          >><br>
          >> There are also cases where bearings have to be heated
          in order to get them<br>
          >> onto a shaft.<br>
          >><br>
          >> ----- Original Message ----<br>
          >> From: Mike M <<a href="mailto:meulenms@gmx.com"
            target="_blank" moz-do-not-send="true">meulenms@gmx.com</a>><br>
          >> To: 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>
          >> Sent: Tue, 02 Jul 2019 12:29:37 -0400 (EDT)<br>
          >> Subject: Re: [AT] List quiet!! Everyone OK, or just
          waterlogged??? --> Lug<br>
          >> bolts, JD A<br>
          >><br>
          >> Wouldn't heating the "hole" cause the steel to expand
          making it smaller?<br>
          >><br>
          >> Just curious.<br>
          >><br>
          >> Mike M<br>
          >><br>
          >> On 7/1/2019 9:10 PM, <a
            href="mailto:szabelski@wildblue.net" target="_blank"
            moz-do-not-send="true">szabelski@wildblue.net</a> wrote:<br>
          >>> When applying heat you want to heat the item the
          bolt in threaded into,<br>
          >> not the bolt.<br>
          >><br>
          >><br>
          >> ---<br>
          >> This email has been checked for viruses by Avast
          antivirus software.<br>
          >> <a href="https://www.avast.com/antivirus"
            rel="noreferrer" target="_blank" moz-do-not-send="true">https://www.avast.com/antivirus</a><br>
          >><br>
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