--===============5668988763241260465==
--000000000000301d3b05be3f39b5
Thanks to all for the help and additional input
Joe
On Tue, Mar 23, 2021 at 12:03 AM Henry G Leach via Healeys <
healeys@autox.team.net> wrote:
> That was what I really appreciated about Norman. He was so exacting,
> knowledgeable, and took the time to research and answer any question
> related to British car maintainence.
>
> He is revered as a legend for solving issues with British cars. Sure miss
> him. Excellent article. Hank
>
> -----------------------------------------
> From: "David Nock BCS"
> To: "Bob Spidell"
> Cc: "Healey List"
> Sent: Monday March 22 2021 10:21:16AM
> Subject: Re: [Healeys] BN2 screw in the center of the dash
>
> Here is the real story of the Pozi and Phillips Screws as they say it came
> right from the horses mouth. In 1996 my father interviewed the Phillips
> family the designer of the Phillips and Pozi Screws. They personally
> approved this article that my father wrote on the Phillips Screw the Austin
> Healey Magazine. This and many other articles are in our Healey Tech Talk
> Book.
>
> The bottom line is the Phillips Screw is designed to slip out at a pre
> dertimined torque, and the Pozi Screw is designed to not slip out.
>
> And the Pozi Screw was developed in about 1956 for the automotive industry
> so there is no way that they could have been installed on a BN1.
>
>
> David Nock
> British Car Specialists
> 209-948-8767
> www.britishcarspecialists.com
>
>
>
> *From:* Henry G Leach via Healeys
> *Sent:* Monday, March 22, 2021 9:47 AM
> *To:* 'Bob Spidell'
> *Cc:* 'Healey List'
> *Subject:* Re: [Healeys] BN2 screw in the center of the dash
>
> Guys-pozidriv screws were used on the later 3000, etc. as a production
> item. This type of screw was used with a special tool to "quickly" install
> screws on the line. It was another way BMC was trying to make a buck on
> underpriced and over-difficult assembly of vehicles. Then they went
> broke...Hank
>
> -----------------------------------------
> From: "Bob Spidell"
> To: "Curtis Arndt"
> Cc: "Healey List"
> Sent: Monday March 22 2021 9:01:24AM
> Subject: Re: [Healeys] BN2 screw in the center of the dash
>
> Thanks for the correction, Curt. I'd always wondered why 'posidrive'
> screws were used--I think posidrive is a relatively recent development--and
> why regular phillips drivers worked in them (I think posidrive has a
> steeper angle of the screw blades). I have a posidrive screwdriver, but I
> usually grabbed whatever was handy. Do you know of a source for the
> correctly marked screws?
>
> Do you know if the backing flat washer was tapped (I don't think so, but
> I'm not sure). IIRC there is a tapped plate that binds the screws--again,
> chromed--that attach the rearview mirror.
>
> Bob
>
>
> On 3/22/2021 7:59 AM, Curtis Arndt wrote:
>
> Hi Bob and Joe,
>
> Just a quick correction, "Pozidriv " screws were never used on AH 100s,
> BN1/2s.
>
> The four marks on the head of these 10-32 screws were there to denote UNF
> from "Whitworth" during the changeover to the Unified screw thread forms in
> the 1950s.
>
> I've attached a page from my vintage Machinery's Handbook which
> illustrates this fact.
>
> Cheers,
>
> Curt
>
> On Sun, Mar 21, 2021 at 11:27 PM Bob Spidell <bspidell@comcast.net> wrote:
>
>> I neglected to mention the screw is backed-up with a large, extra thick
>> flat washer (because of the large hole in the bracket). It's unique because
>> it's as thick as a couple of typical flat washers and *might--*I don't
>> recall for sure--be tapped for the screw.
>>
>> On 3/21/2021 10:21 PM, Bob Spidell wrote:
>>
>> Yep. And, the original screw is chromed posidriv, with a slightly
>> oversized--the screw is a #10 IIRC--chrome washer. I noted this when we
>> tore down our BN2 for restoration, and promised myself I'd not lose these.
>> I lost them (and have never found proper replacements).
>>
>> You can sorta see them in this grainy photo (I *shoulda* took more).
>>
>> Bob
>>
>> On 3/21/2021 4:14 PM, Joseph Costa wrote:
>>
>> Does it just attach to the brace behind the dash?
>>
>> Joe
>> BN1 #923
>> BN2 100M
>> BJ8 Blue Baby
>>
>>
>>
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Content-Transfer-Encoding: quoted-printable
<div dir=3D"ltr">Thanks to all for the help and additional input<div><br></=
div><div>Joe</div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" cla=
ss=3D"gmail_attr">On Tue, Mar 23, 2021 at 12:03 AM Henry G Leach via Healey=
s <<a href=3D"mailto:healeys@autox.team.net";>healeys@autox.team.net</a>&=
gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0=
px 0px 0.8ex;border-left-width:1px;border-left-style:solid;border-left-colo=
r:rgb(204,204,204);padding-left:1ex"><div>That was what I really appreciate=
d about Norman.=C2=A0 He was so exacting, knowledgeable, and took the time =
to research and answer any question related to British car maintainence.<di=
v><br></div><div>He is revered as a legend for solving issues with British =
cars. Sure miss him.=C2=A0 Excellent article. Hank<br><br><div></div><p>---=
--------------------------------------</p>From: "David Nock BCS" =
<u></u><br>To: "Bob Spidell"<br>Cc: "Healey List"<br>S=
ent: Monday March 22 2021 10:21:16AM<br>Subject: Re: [Healeys] BN2 screw in=
the center of the dash<br><br>
<div dir=3D"ltr">
<div style=3D"font-size:12pt;font-family:Century;color:rgb(0,0,0)">
<div>Here is the real story of the Pozi and Phillips Screws as they
say it came right from the horses mouth. In 1996 my father
interviewed the Phillips family the designer of the Phillips and
Pozi Screws. They personally approved this article that my father
wrote on the Phillips Screw the Austin Healey Magazine. This and
many other articles are in our Healey Tech Talk Book.</div>
<div>=C2=A0</div>
<div>The bottom line is the Phillips Screw is designed to slip out
at a pre dertimined torque, and the Pozi Screw is designed to not
slip out.</div>
<div>=C2=A0</div>
<div>And the Pozi Screw was developed in about 1956 for the
automotive industry so there is no way that they could have been
installed on a BN1.</div>
<div>=C2=A0</div>
<div>=C2=A0</div>
<div style=3D"font-size:12pt;font-family:Century;color:rgb(0,0,0)">
<div style=3D"font-size:12pt;font-family:Century;color:rgb(0,0,0)">David
Nock<br>
British Car Specialists<br>
209-948-8767<br><a href=3D"http://www.britishcarspecialists.com"; target=3D"=
_blank">www.britishcarspecialists.com</a></div>
<div style=3D"font-size:12pt;font-family:Century;color:rgb(0,0,0)">
=C2=A0</div>
<br></div>
<div style=3D"font-size:small;text-decoration:none;font-family:Calibri;font=
-weight:normal;color:rgb(0,0,0);font-style:normal">
<div style=3D"font-style:normal;font-variant-caps:normal;font-weight:normal=
;font-stretch:normal;font-size:10pt;line-height:normal;font-family:tahoma">
<div>=C2=A0</div>
<div style=3D"background-color:rgb(245,245,245);background-position:initial=
initial;background-repeat:initial initial">
<div><b>From:</b> <a title=3D"healeys@autox.team.net">Henry G Leach via Hea=
leys</a></div>
<div><b>Sent:</b> Monday, March 22, 2021 9:47 AM</div>
<div><b>To:</b> <a title=3D"bspidell@comcast.net">'Bob
Spidell'</a></div>
<div><b>Cc:</b> <a title=3D"healeys@autox.team.net">'Healey
List'</a></div>
<div><b>Subject:</b> Re: [Healeys] BN2 screw in the center of the
dash</div>
</div>
</div>
<div>=C2=A0</div>
</div>
<div style=3D"font-size:small;text-decoration:none;font-family:Calibri;font=
-weight:normal;color:rgb(0,0,0);font-style:normal">
Guys-pozidriv screws were used on the later 3000, etc. as a
production item. This type of screw was used with a special tool to
"quickly" install screws on the line. It was another way BMC was
trying to make a buck on underpriced and over-difficult assembly of
vehicles. Then they went broke...Hank<br><br><div></div>
<p>-----------------------------------------</p>
From: "Bob Spidell"<br>
To: "Curtis Arndt"<br>
Cc: "Healey List"<br>
Sent: Monday March 22 2021 9:01:24AM<br>
Subject: Re: [Healeys] BN2 screw in the center of the dash<br><br>
Thanks for the correction, Curt. I'd always wondered why
'posidrive' screws were used--I think posidrive is a relatively
recent development--and why regular phillips drivers worked in them
(I think posidrive has a steeper angle of the screw blades). I have
a posidrive screwdriver, but I usually grabbed whatever was handy.
Do you know of a source for the correctly marked screws?<br><br>
Do you know if the backing flat washer was tapped (I don't think
so, but I'm not sure). IIRC there is a tapped plate that binds the
screws--again, chromed--that attach the rearview mirror.<br><br>
Bob<br><br><br><div>On 3/22/2021 7:59 AM, Curtis Arndt
wrote:<br></div>
<blockquote>
<div dir=3D"ltr">Hi Bob and Joe,
<div>=C2=A0</div>
<div>Just a quick correction, "Pozidriv " screws were never used =
on
AH 100s, BN1/2s.=C2=A0</div>
<div>=C2=A0</div>
<div>The four marks on the head of these 10-32 screws were there to
denote UNF from "Whitworth" during the changeover to the Unified
screw thread forms in the 1950s.</div>
<div>=C2=A0</div>
<div>I've attached a page from my vintage Machinery's Handbook
which illustrates this fact.</div>
<div>=C2=A0</div>
<div>Cheers,</div>
<div>=C2=A0</div>
<div>Curt</div>
</div>
<div>=C2=A0</div>
<div class=3D"gmail_quote">
<div class=3D"gmail_attr" dir=3D"ltr">On Sun, Mar 21, 2021 at 11:27 PM
Bob Spidell <<a>bspidell@comcast.net</a>> wrote:<br></div>
<blockquote class=3D"gmail_quote" style=3D"padding-left:1ex;border-left-wid=
th:1px;border-left-style:solid;border-left-color:rgb(204,204,204);margin:0p=
x 0px 0px 0.8ex">
<div>I neglected to mention the screw is backed-up with a large,
extra thick flat washer (because of the large hole in the bracket).
It's unique because it's as thick as a couple of typical flat
washers and <i>might--</i>I don't recall for sure--be tapped for
the screw.<br><br><div>On 3/21/2021 10:21 PM, Bob Spidell wrote:<br></div>
<blockquote>Yep. And, the original screw is chromed posidriv, with
a slightly oversized--the screw is a #10 IIRC--chrome washer. I
noted this when we tore down our BN2 for restoration, and promised
myself I'd not lose these. I lost them (and have never found proper
replacements).<br><br>
You can sorta see them in this grainy photo (I <i>shoulda</i> took
more).<br><br>
Bob<br><br><div>On 3/21/2021 4:14 PM, Joseph Costa wrote:<br></div>
<blockquote>
<div dir=3D"ltr">Does it just attach to the brace behind the dash?
<div>=C2=A0</div>
<div>Joe</div>
<div>BN1 #923</div>
<div>BN2 100M</div>
<div>BJ8 Blue Baby</div>
</div>
<br></blockquote>
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