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On 10/7/2019 3:15 PM, Gene M wrote:
> Chad,
>
> Diameter of the bolt is the same on the entire shaft instead of
> tapered like a modern sheet metal screw, and threads were squared off
> and smooth instead of the angled with a machine bite like a sheet
> metal screw.
These are not exactly unique. In the industry, I think they were
branded as Spirox screws, and are generically known as "christmas tree"
screws. They are straight-shank, but have a conical, pointed end, with
a modified Acme thread. They're made to be received by a similar nut
encapsulated in a stamped sheet metal clip. And they're quite adequate
for securing sheet metal panels--the panels certainly don't just hang on
them. Otherwise, the car--even when new--would be a rolling symphony of
rattles and creaks and knocks.
>
> Have you seen an original TR6 body panel that had primer next to bare
> metal? I don't know if it is true what the hardware store WW II
> employee told me about the Brits dipping every metal part in lacquer
> paint. This vet told me during WW II they had these big vats in the
> barns in rural England and all the metal fabricated parts for
> everything were dipped and air dried to prevent rust. These parts
> would hang there and be available for the war effort.
> He figured maybe after WW II ended, these vats with the lacquer paint
> and the malleable metal parts that could be re-pressed into what my
> car was made from.
>
> He's probably pulling your leg (or was an idiot), given that the TR6
> began life twenty-four years after the end of the war. Yes, there
> were probably leftover parts, but they went with the war materiel in
> other conflicts (the Brits were fighting what they called the "Malay
> Emergency" beginning in 1948 and also had about ten percent of UN's
> forces in the Korean War beginning in 1950). Given the extreme
> shortages of everything in the UK post-war, the chances were very high
> that unused steel stampings were resmelted. I think John McC. can
> attest to the fact that the bodies of everything made at Coventry were
> made from virgin sheet metal and not made of leftover Doncaster
> floorboards.
Cheers.
--
Michael Porter
Roswell, NM
Never let anyone drive you crazy when you know it's within walking distance....
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<div class="moz-cite-prefix">On 10/7/2019 3:15 PM, Gene M wrote:<br>
</div>
<blockquote type="cite"
cite="mid:BYAPR07MB51575D149397A296A1AAAE6DBD9B0@BYAPR07MB5157.namprd07.prod.outlook.com">
<meta http-equiv="Content-Type" content="text/html;
charset=windows-1252">
<style type="text/css" style="display:none;"> P
{margin-top:0;margin-bottom:0;} </style>
<div style="font-family: Calibri, Helvetica, sans-serif;
font-size: 12pt; color: rgb(0, 0, 0);">
<div style="margin: 0px; font-size: 12pt; font-family: Calibri,
Helvetica, sans-serif">
Chad,</div>
<div style="margin: 0px; font-size: 12pt; font-family: Calibri,
Helvetica, sans-serif">
<br>
</div>
<div style="margin: 0px; font-size: 12pt; font-family: Calibri,
Helvetica, sans-serif">
Diameter of the bolt is the same on the entire shaft instead
of tapered like a modern sheet metal screw, and threads were
squared off and smooth instead of the angled with a machine
bite like a sheet metal screw. <br>
</div>
</div>
</blockquote>
<p><br>
</p>
<p>These are not exactly unique. In the industry, I think they were
branded as Spirox screws, and are generically known as "christmas
tree" screws. They are straight-shank, but have a conical,
pointed end, with a modified Acme thread. They're made to be
received by a similar nut encapsulated in a stamped sheet metal
clip. And they're quite adequate for securing sheet metal
panels--the panels certainly don't just hang on them. Otherwise,
the car--even when new--would be a rolling symphony of rattles and
creaks and knocks.<br>
</p>
<blockquote type="cite"
cite="mid:BYAPR07MB51575D149397A296A1AAAE6DBD9B0@BYAPR07MB5157.namprd07.prod.outlook.com">
<div style="font-family: Calibri, Helvetica, sans-serif;
font-size: 12pt; color: rgb(0, 0, 0);">
<div style="margin: 0px; font-size: 12pt; font-family: Calibri,
Helvetica, sans-serif">
<br>
</div>
<div style="margin: 0px; font-size: 12pt; font-family: Calibri,
Helvetica, sans-serif">
Have you seen an original TR6 body panel that had primer next
to bare metal? I don't know if it is true what the hardware
store WW II employee told me about the Brits dipping every
metal part in lacquer paint. This vet told me during WW II
they had these big vats in the barns in rural England and all
the metal fabricated parts for everything were dipped and air
dried to prevent rust. These parts would hang there and be
available for the war effort. </div>
</div>
</blockquote>
<br>
<blockquote type="cite"
cite="mid:BYAPR07MB51575D149397A296A1AAAE6DBD9B0@BYAPR07MB5157.namprd07.prod.outlook.com">
<div style="font-family: Calibri, Helvetica, sans-serif;
font-size: 12pt; color: rgb(0, 0, 0);">
<div style="margin: 0px; font-size: 12pt; font-family: Calibri,
Helvetica, sans-serif">He figured maybe after WW II ended,
these vats with the lacquer paint and the malleable metal
parts that could be re-pressed into what my car was made
from. </div>
<div style="margin: 0px; font-size: 12pt; font-family: Calibri,
Helvetica, sans-serif">
<br>
</div>
<div style="margin: 0px; font-size: 12pt; font-family: Calibri,
Helvetica, sans-serif">He's probably pulling your leg (or was
an idiot), given that the TR6 began life twenty-four years
after the end of the war. Yes, there were probably leftover
parts, but they went with the war materiel in other conflicts
(the Brits were fighting what they called the "Malay
Emergency" beginning in 1948 and also had about ten percent of
UN's forces in the Korean War beginning in 1950). Given the
extreme shortages of everything in the UK post-war, the
chances were very high that unused steel stampings were
resmelted. I think John McC. can attest to the fact that the
bodies of everything made at Coventry were made from virgin
sheet metal and not made of leftover Doncaster floorboards.<br>
</div>
</div>
</blockquote>
<p><br>
</p>
<p><br>
</p>
<p>Cheers.<br>
</p>
<br>
<pre class="moz-signature" cols="72">--
Michael Porter
Roswell, NM
Never let anyone drive you crazy when you know it's within walking
distance....</pre>
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