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<p>I pretty much assume we're all 'old farts' on this list.</p>
<p>bs<br>
</p>
<br>
<div class="moz-cite-prefix">On 2/20/2018 8:46 AM, Keith Pennell
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:161b41c0d2b-c8f-46ee9@webjas-vaa149.srv.aolmail.net"><font
size="2" face="arial" color="black">Bob that is exactly what I
did to balance several pairs. Does that make me an "old fart"?
:):)<br>
<br>
<br>
<div
style="font-family:arial,helvetica;font-size:10pt;color:black">-----Original
Message-----<br>
From: Bob Spidell <a class="moz-txt-link-rfc2396E" href="mailto:bspidell@comcast.net"><bspidell@comcast.net></a><br>
To: healeys <a class="moz-txt-link-rfc2396E" href="mailto:healeys@autox.team.net"><healeys@autox.team.net></a><br>
Sent: Tue, Feb 20, 2018 11:17 am<br>
Subject: Re: [Healeys] Drum Balancing<br>
<br>
For my BJ8, we had an 'old fart' at an engine builder's shop
balance the <br>
drums; he welded quarter-inch iron rod lengthwise between the
fins (no <br>
metal removed).<br>
<br>
I don't recall if we had the BN2's drums balanced, but there
is a large, <br>
thick rib near the outer edge that had chunks cleanly machined
off; it <br>
appears this would have been done at the factory.<br>
<br>
Bob<br>
<br>
<br>
On 2/20/2018 1:14 AM, A H List wrote:<br>
> Drums are statically out of balance, i.e. there is more
metal on one<br>
> side due to casting/machining tolerances. To correct this
only<br>
> requires basic tools like a file and some patience, or
take them to an<br>
> engine balancer. I prefer to file a small amount over a
large area so<br>
> they don't look any different to originally whereas
jobbing shops may<br>
> use a drill to remove metal and it won't look original if
that<br>
> matters.<br>
><br>
> Andy.<br>
><br>
><br>
> On 2/20/18, Keith Pennell <<a
href="mailto:llennep@verizon.net" moz-do-not-send="true">llennep@verizon.net</a>>
wrote:<br>
>> I did not understand that the drums were shaved, but
the tires. Shaving<br>
>> drums merely makes it round around some point and nt
necessarily the center<br>
>> of mass.<br>
>><br>
<br>
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