<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
</head>
<body text="#000000" bgcolor="#FFFFFF">
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>
</div>
<blockquote type="cite"
cite="mid:CAFhA9cwQT+gsZgytfL+9C5urd9C3LcFnVkdB5D60Dd0tLauEaw@mail.gmail.com">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<div dir="ltr">
<div class="gmail_default"
style="font-family:verdana,sans-serif;font-size:large;color:#a64d79">Flywheel
ring gears??</div>
<div>
<div dir="ltr" class="gmail_signature"
data-smartmail="gmail_signature">
<div dir="ltr">
<div>
<div dir="ltr">
<div>
<div><br>
$-------&<br>
Moe Fretz<br>
</div>
<div><br>
L'Orignal<br>
Ontario, Canada</div>
</div>
</div>
</div>
</div>
</div>
</div>
<br>
</div>
<br>
<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>
</div>
<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>
>> _______________________________________________<br>
>> AT mailing list<br>
>> <a href="mailto:AT@lists.antique-tractor.com"
target="_blank" moz-do-not-send="true">AT@lists.antique-tractor.com</a><br>
>> <a
href="http://lists.antique-tractor.com/listinfo.cgi/at-antique-tractor.com"
rel="noreferrer" target="_blank" moz-do-not-send="true">http://lists.antique-tractor.com/listinfo.cgi/at-antique-tractor.com</a><br>
>><br>
>> _______________________________________________<br>
>> AT mailing list<br>
>> <a href="mailto:AT@lists.antique-tractor.com"
target="_blank" moz-do-not-send="true">AT@lists.antique-tractor.com</a><br>
>> <a
href="http://lists.antique-tractor.com/listinfo.cgi/at-antique-tractor.com"
rel="noreferrer" target="_blank" moz-do-not-send="true">http://lists.antique-tractor.com/listinfo.cgi/at-antique-tractor.com</a><br>
>><br>
> _______________________________________________<br>
> AT mailing list<br>
> <a href="mailto:AT@lists.antique-tractor.com"
target="_blank" moz-do-not-send="true">AT@lists.antique-tractor.com</a><br>
> <a
href="http://lists.antique-tractor.com/listinfo.cgi/at-antique-tractor.com"
rel="noreferrer" target="_blank" moz-do-not-send="true">http://lists.antique-tractor.com/listinfo.cgi/at-antique-tractor.com</a><br>
<br>
_______________________________________________<br>
AT mailing list<br>
<a href="mailto:AT@lists.antique-tractor.com" target="_blank"
moz-do-not-send="true">AT@lists.antique-tractor.com</a><br>
<a
href="http://lists.antique-tractor.com/listinfo.cgi/at-antique-tractor.com"
rel="noreferrer" target="_blank" moz-do-not-send="true">http://lists.antique-tractor.com/listinfo.cgi/at-antique-tractor.com</a><br>
</blockquote>
</div>
<br>
<fieldset class="mimeAttachmentHeader"></fieldset>
<pre class="moz-quote-pre" wrap="">_______________________________________________
AT mailing list
<a class="moz-txt-link-abbreviated" href="mailto:AT@lists.antique-tractor.com">AT@lists.antique-tractor.com</a>
<a class="moz-txt-link-freetext" href="http://lists.antique-tractor.com/listinfo.cgi/at-antique-tractor.com">http://lists.antique-tractor.com/listinfo.cgi/at-antique-tractor.com</a>
</pre>
</blockquote>
<br>
</body>
</html>