triumphs
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Re: [TR] Rocker feed screw.

To: Don Hiscock <don.hiscock@gmail.com>
Subject: Re: [TR] Rocker feed screw.
From: DAVID MASSEY <dave1massey@cs.com>
Date: Thu, 1 May 2025 10:39:34 +0000 (UTC)
Cc: "triumphs@autox.team.net" <triumphs@autox.team.net>, John Macartney <johnbmacartney@gmx.com>
Delivered-to: mharc@autox.team.net
Delivered-to: triumphs@autox.team.net
References: <3FA21B67-5A25-437A-ADF8-2BDE4ADCB1F6@gmx.com> <CAPK7CFCmLUWKKG1p63+9-VE7XAuh6jx5qJ741ca-DkCpyQFzCg@mail.gmail.com> <2021169979.57554.1746063314373@mail.yahoo.com> <CAPK7CFCG2WgCRCjKnW4AP6PsxiJn1p=s49TgnBce7AtjD4-d2A@mail.gmail.com>
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I may be.=C2=A0 I forgot exactly which ones they were, that was 12 years ag=
o.=C2=A0 What I do remember is that I broke the one tap of importance so no=
w I'm sunk.=C2=A0 But the odds that I'll need it again before I die are pre=
tty low.
Dave=20


=20

    On Wednesday, April 30, 2025 at 11:14:04 PM CDT, Don Hiscock <don.hisco=
ck@gmail.com> wrote:  =20

 Are you referring to the=C2=A0Tenax studs on the=C2=A0windscreen=C2=A0fram=
e, Dave?=C2=A0 I'd have guessed those were BA threaded.
On Wed, Apr 30, 2025 at 8:35=E2=80=AFPM DAVID MASSEY <dave1massey@cs.com> w=
rote:

There are Whitworth fasteners used on the TR3 windshield.=C2=A0 I bought a =
set of Whitworth taps and dies when I restored my windscreen for that reaso=
n.=C2=A0 But, no, that is not the engine.
Dave=20


=20

    On Wednesday, April 30, 2025 at 05:34:25 PM CDT, Don Hiscock <don.hisco=
ck@gmail.com> wrote:  =20

 I'm not aware of any Whitworth threads installed by S-T (at least on a sid=
escreen car).=C2=A0 There may be some Whitworth and BA threads on bought-in=
 components, like SU carbs, Smiths, and possibly some Lucas.=C2=A0 But I'll=
 be shocked sh*tless to learn legit Withworth threads=C2=A0were used in a S=
-T engine.
Jonmac, I'd never heard that metric and inch fasteners=C2=A0were used on th=
e line at the same time depending on the end market for the vehicle.=C2=A0 =
That's a fascinating bit of trivia, and one of the reasons we love having y=
ou here!=C2=A0 What time period are you talking about for that?=C2=A0 Maybe=
 1970s?
On Wed, Apr 30, 2025 at 4:27=E2=80=AFPM John Macartney <johnbmacartney@gmx.=
com> wrote:

I have my doubts about the offending item having Whitworth ancestry. While =
I=E2=80=99ve long been a Whitworth advocate and enthusiast (for purely patr=
iotic reasons) I think it might be worth going down a metric route. There w=
as a time when the factory briefly reverted to metric hardware that was mar=
ket specific for European build. Needless to say, certain bits of hardware =
went where they shouldn=E2=80=99t (or inadvertently wound up there). Might =
this be a possible avenue to explore? Evaluate metric fine and coarse pitch=
 threads.

Jonmac
** triumphs@autox.team.net **

Archive: http://www.team.net/pipermail/triumphs=C2=A0 http://www.team.net/a=
rchive

ock@gmail.com

 =20
 =20
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<html><head></head><body><div class=3D"ydpac33e6bdyahoo-style-wrap" style=
=3D"font-family:Arial, Helvetica, sans-serif;font-size:16px;"><div><div dir=
=3D"ltr" data-setdir=3D"false">I may be.&nbsp; I forgot exactly which ones =
they were, that was 12 years ago.&nbsp; What I do remember is that I broke =
the one tap of importance so now I'm sunk.&nbsp; But the odds that I'll nee=
d it again before I die are pretty low.</div><div><br></div><div class=3D"y=
dpac33e6bdsignature"><div style=3D"color: black; font-style: normal; font-s=
ize-adjust: none; font-weight: normal; font-stretch: normal; font-size: 12p=
t; line-height: normal; font-family: Arial, Helvetica, sans-serif;"><div st=
yle=3D"color: black; font-style: normal; font-size-adjust: none; font-weigh=
t: normal; font-stretch: normal; font-size: 12pt; line-height: normal; font=
-family: Arial, Helvetica, sans-serif;"><div><font size=3D"4">Dave <br></fo=
nt></div><div><span style=3D"font-size:10.0pt;font-family:sans-serif;color:=
black;"><br></span></div><br></div></div></div></div>
        <div><br></div><div><br></div>
       =20
        </div><div id=3D"ydp7ee1bd8ayahoo_quoted_6292284599" class=3D"ydp7e=
e1bd8ayahoo_quoted"><div class=3D"ydp7ee1bd8ayahoo-style-wrap" style=3D"fon=
t-family:Arial, Helvetica, sans-serif;font-size:16px;">
            <div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, s=
ans-serif;font-size:13px;color:#26282a;">
               =20
                <div class=3D"ydp7ee1bd8aquoted-text-header">
                        On Wednesday, April 30, 2025 at 11:14:04 PM CDT, Do=
n Hiscock &lt;don.hiscock@gmail.com&gt; wrote:
                    </div>
                </div><div style=3D"font-family:'Helvetica Neue', Helvetica=
, Arial, sans-serif;font-size:13px;color:#26282a;border-left: 1px solid #cc=
c;padding-left: 8px;margin: 0px 0px 0px 8px" class=3D"ydp7ee1bd8ainline_rep=
ly_quote_container" data-split-quote-node=3D"true">
                <div><br></div><div><br></div>
                <div><div id=3D"ydp7ee1bd8ayiv8146148179"><div><div dir=3D"=
ltr"><div style=3D"font-size:small;" class=3D"ydp7ee1bd8ayiv8146148179gmail=
_default">Are you referring to the&nbsp;Tenax studs on the&nbsp;windscreen&=
nbsp;frame, Dave?&nbsp; I'd have guessed those were BA threaded.</div></div=
><br clear=3D"none"><div id=3D"ydp7ee1bd8ayiv8146148179yqt74189" class=3D"y=
dp7ee1bd8ayiv8146148179yqt3450003824"><div class=3D"ydp7ee1bd8ayiv814614817=
9gmail_quote ydp7ee1bd8ayiv8146148179gmail_quote_container"><div dir=3D"ltr=
" class=3D"ydp7ee1bd8ayiv8146148179gmail_attr">On Wed, Apr 30, 2025 at 8:35=
=E2=80=AFPM DAVID MASSEY &lt;<a shape=3D"rect" href=3D"mailto:dave1massey@c=
s.com" rel=3D"nofollow" target=3D"_blank">dave1massey@cs.com</a>&gt; wrote:=
<br clear=3D"none"></div><blockquote style=3D"margin:0px 0px 0px 0.8ex;bord=
er-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204=
);padding-left:1ex;" class=3D"ydp7ee1bd8ayiv8146148179gmail_quote"><div><di=
v style=3D"font-family:Arial, Helvetica, sans-serif;font-size:16px;"><div><=
div dir=3D"ltr">There are Whitworth fasteners used on the TR3 windshield.&n=
bsp; I bought a set of Whitworth taps and dies when I restored my windscree=
n for that reason.&nbsp; But, no, that is not the engine.</div><div><br cle=
ar=3D"none"></div><div><div style=3D"color:black;font-style:normal;font-siz=
e-adjust:none;font-weight:normal;font-stretch:normal;font-size:12pt;line-he=
ight:normal;font-family:Arial, Helvetica, sans-serif;"><div style=3D"color:=
black;font-style:normal;font-size-adjust:none;font-weight:normal;font-stret=
ch:normal;font-size:12pt;line-height:normal;font-family:Arial, Helvetica, s=
ans-serif;"><div><font size=3D"4">Dave <br clear=3D"none"></font></div><div=
><span style=3D"font-size:10pt;font-family:sans-serif;color:black;"><br cle=
ar=3D"none"></span></div><br clear=3D"none"></div></div></div></div>
        <div><br clear=3D"none"></div><div><br clear=3D"none"></div>
       =20
        </div><div id=3D"ydp7ee1bd8ayiv8146148179m_-5817955450121499882ydpd=
5c7d075yahoo_quoted_6714698056"><div style=3D"font-family:Arial, Helvetica,=
 sans-serif;font-size:16px;">
            <div style=3D"font-family:Helvetica, Arial, sans-serif;font-siz=
e:13px;color:rgb(38,40,42);">
               =20
                <div>
                        On Wednesday, April 30, 2025 at 05:34:25 PM CDT, Do=
n Hiscock &lt;<a shape=3D"rect" href=3D"mailto:don.hiscock@gmail.com"; rel=
=3D"nofollow" target=3D"_blank">don.hiscock@gmail.com</a>&gt; wrote:
                    </div>
                </div><div style=3D"font-family:Helvetica, Arial, sans-seri=
f;font-size:13px;color:rgb(38,40,42);border-left-width:1px;border-left-styl=
e:solid;border-left-color:rgb(204,204,204);padding-left:8px;margin:0px 0px =
0px 8px;">
                <div><br clear=3D"none"></div><div><br clear=3D"none"></div=
>
                <div><div id=3D"ydp7ee1bd8ayiv8146148179m_-5817955450121499=
882ydpd5c7d075yiv2127974545"><div><div dir=3D"ltr"><div style=3D"font-size:=
small;">I'm not aware of any Whitworth threads installed by S-T (at least o=
n a sidescreen car).&nbsp; There may be some Whitworth and BA threads on bo=
ught-in components, like SU carbs, Smiths, and possibly some Lucas.&nbsp; B=
ut I'll be shocked sh*tless to learn legit Withworth threads&nbsp;were used=
 in a S-T engine.</div><div style=3D"font-size:small;"><br clear=3D"none"><=
/div><div style=3D"font-size:small;">Jonmac, I'd never heard that metric an=
d inch fasteners&nbsp;were used on the line at the same time depending on t=
he end market for the vehicle.&nbsp; That's a fascinating bit of trivia, an=
d one of the reasons we love having you here!&nbsp; What time period are yo=
u talking about for that?&nbsp; Maybe 1970s?</div></div><br clear=3D"none">=
<div><div id=3D"ydp7ee1bd8ayiv8146148179m_-5817955450121499882ydpd5c7d075yi=
v2127974545yqtfd04561"><div dir=3D"ltr">On Wed, Apr 30, 2025 at 4:27=E2=80=
=AFPM John Macartney &lt;<a shape=3D"rect" href=3D"mailto:johnbmacartney@gm=
x.com" rel=3D"nofollow" target=3D"_blank">johnbmacartney@gmx.com</a>&gt; wr=
ote:<br clear=3D"none"></div></div><blockquote style=3D"margin:0px 0px 0px =
0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(2=
04,204,204);padding-left:1ex;"><div id=3D"ydp7ee1bd8ayiv8146148179m_-581795=
5450121499882ydpd5c7d075yiv2127974545yqtfd21694">I have my doubts about the=
 offending item having Whitworth ancestry. While I=E2=80=99ve long been a W=
hitworth advocate and enthusiast (for purely patriotic reasons) I think it =
might be worth going down a metric route. There was a time when the factory=
 briefly reverted to metric hardware that was market specific for European =
build. Needless to say, certain bits of hardware went where they shouldn=E2=
=80=99t (or inadvertently wound up there). Might this be a possible avenue =
to explore? Evaluate metric fine and coarse pitch threads.<br clear=3D"none=
">
<br clear=3D"none">
Jonmac</div><br clear=3D"none">
** <a shape=3D"rect" href=3D"mailto:triumphs@autox.team.net"; rel=3D"nofollo=
w" target=3D"_blank">triumphs@autox.team.net</a> **<br clear=3D"none">
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ofollow" target=3D"_blank">http://www.team.net/donate.html</a><br clear=3D"=
none">
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iv id=3D"ydp7ee1bd8ayiv8146148179m_-5817955450121499882ydpd5c7d075yiv212797=
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1499882ydpd5c7d075yiv2127974545yqtfd97872">
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        </div></div></div></blockquote></div></div>
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