Subject: Re: [Healeys] 100 generator pulley diameter

From: Michael Salter via Healeys <[email-masked]>
Date: Sun, 9 Jul 2023 08:52:32 -0400

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The outside diameter of the originals is 3.2" Mark.

M

On Sun., Jul. 9, 2023, 6:28 a.m. Mark Donaldson, <[email-masked]=
z>
wrote:

> Learned gentlemen,
>
>
>
> The pulley on my 1956 BN2 is 3=C2=BD=E2=80=9D diameter.  I believe it to =
be original.
> I=E2=80=99ve owned the car for 45 years.
>
>
>
> A friend has a BN1 with a pulley diameter of just 3=E2=80=9D.  He thinks =
it is
> original.   I don=E2=80=99t.  It got me thinking.
>
> I believe his is incorrect as it was converted here in NZ from a LHD
> import some 30 years ago.  BN1L 226180
>
> The car has some clumsy conversions made to change it to RHD, so I don=E2=
=80=99t
> know what else might have been =E2=80=98cobbled up=E2=80=99 to get the ca=
r on the road.
>
>
>
> Can somebody of you please confirm that 3=C2=BD=E2=80=9D is correct.
>
>
>
> That said, I need another for a second 100 engine I am building as a spar=
e.
>
> They seem to be scarce down here in NZ, and repros seem to be rather
> expensive.
>
>
>
> Fingers crossed.
>
>
>
> Mark
>
> Ardmore
>
> NZ
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<div dir=3D"auto">The outside diameter of the originals is 3.2&quot; Mark.<=
div dir=3D"auto"><br></div><div dir=3D"auto">M</div></div><br><div class=3D=
"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Sun., Jul. 9, 2023, =
6:28 a.m. Mark Donaldson, &lt;<a href=3D"mailto:[email-masked]"=
>[email-masked]</a>&gt; wrote:<br></div><blockquote class=3D"gm=
ail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-le=
ft:1ex"><div lang=3D"EN-NZ" link=3D"#0563C1" vlink=3D"#954F72" style=3D"wor=
d-wrap:break-word"><div class=3D"m_87666757571026887WordSection1"><p class=
=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&=
quot;Tahoma&quot;,sans-serif">Learned gentlemen,<u></u><u></u></span></p><p=
 class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-fa=
mily:&quot;Tahoma&quot;,sans-serif"><u></u>=C2=A0<u></u></span></p><p class=
=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&=
quot;Tahoma&quot;,sans-serif">The pulley on my 1956 BN2 is 3=C2=BD=E2=80=9D=
 diameter.=C2=A0 I believe it to be original.=C2=A0 I=E2=80=99ve owned the =
car for 45 years.<u></u><u></u></span></p><p class=3D"MsoNormal"><span lang=
=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,sans-se=
rif"><u></u>=C2=A0<u></u></span></p><p class=3D"MsoNormal"><span lang=3D"EN=
-US" style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,sans-serif">A=
 friend has a BN1 with a pulley diameter of just 3=E2=80=9D.=C2=A0 He think=
s it is original.=C2=A0=C2=A0 I don=E2=80=99t.=C2=A0 It got me thinking.<u>=
</u><u></u></span></p><p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"=
font-size:10.0pt;font-family:&quot;Tahoma&quot;,sans-serif">I believe his i=
s incorrect as it was converted here in NZ from a LHD import some 30 years =
ago.=C2=A0 BN1L 226180<u></u><u></u></span></p><p class=3D"MsoNormal"><span=
 lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,sa=
ns-serif">The car has some clumsy conversions made to change it to RHD, so =
I don=E2=80=99t know what else might have been =E2=80=98cobbled up=E2=80=99=
 to get the car on the road.<u></u><u></u></span></p><p class=3D"MsoNormal"=
><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Tahoma&qu=
ot;,sans-serif"><u></u>=C2=A0<u></u></span></p><p class=3D"MsoNormal"><span=
 lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,sa=
ns-serif">Can somebody of you please confirm that 3=C2=BD=E2=80=9D is corre=
ct.<u></u><u></u></span></p><p class=3D"MsoNormal"><span lang=3D"EN-US" sty=
le=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,sans-serif"><u></u>=
=C2=A0<u></u></span></p><p class=3D"MsoNormal"><span lang=3D"EN-US" style=
=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,sans-serif">That said, =
I need another for a second 100 engine I am building as a spare.<u></u><u><=
/u></span></p><p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-siz=
e:10.0pt;font-family:&quot;Tahoma&quot;,sans-serif">They seem to be scarce =
down here in NZ, and repros seem to be rather expensive.<u></u><u></u></spa=
n></p><p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.0pt=
;font-family:&quot;Tahoma&quot;,sans-serif"><u></u>=C2=A0<u></u></span></p>=
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-=
family:&quot;Tahoma&quot;,sans-serif">Fingers crossed.<u></u><u></u></span>=
</p><p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.0pt;f=
ont-family:&quot;Tahoma&quot;,sans-serif"><u></u>=C2=A0<u></u></span></p><p=
 class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-fa=
mily:&quot;Tahoma&quot;,sans-serif">Mark<u></u><u></u></span></p><p class=
=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&=
quot;Tahoma&quot;,sans-serif">Ardmore<u></u><u></u></span></p><p class=3D"M=
soNormal"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;=
Tahoma&quot;,sans-serif">NZ<u></u><u></u></span></p></div></div>___________=
____________________________________<br>
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</blockquote></div>

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From: Michael Salter <[email-masked]>
Date: Tue, 11 Jul 2023 06:42:08 -0400

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My apologies regarding the diameter of the 100 generator pulleys.
I made the unforgivable mistake of not zeroing my caliper before taking a
measurement.
The original pulleys 1B1727 were 3.625" in diameter.
I have four in my box of spares, never know when you might need one, an
they are all exactly the same diameter plus or minus a few thou.

M

On Sun., Jul. 9, 2023, 8:52 a.m. Michael Salter, <[email-masked]>
wrote:

> On Sun., Jul. 9, 2023, 6:28 a.m. Mark Donaldson, <
> [email-masked]> wrote:
>
>> Learned gentlemen,
>>
>>
>>
>> The pulley on my 1956 BN2 is 3=C2=BD=E2=80=9D diameter.  I believe it to=
 be original.
>> A friend has a BN1 with a pulley diameter of just 3=E2=80=9D.  He thinks=
 it is
>> The car has some clumsy conversions made to change it to RHD, so I don=
=E2=80=99t
>> know what else might have been =E2=80=98cobbled up=E2=80=99 to get the c=
ar on the road.
>> That said, I need another for a second 100 engine I am building as a
>> spare.
>>

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<div dir=3D"auto">My apologies regarding the diameter of the 100 generator =
pulleys.=C2=A0<div dir=3D"auto">I made the unforgivable mistake of not zero=
ing my caliper before taking a measurement.=C2=A0</div><div dir=3D"auto">Th=
e original pulleys 1B1727 were 3.625&quot; in diameter.=C2=A0</div><div dir=
=3D"auto">I have four in my box of spares, never know when you might need o=
ne, an they are all exactly the same diameter plus or minus a few thou.</di=
v><div dir=3D"auto"><br></div><div dir=3D"auto">M</div></div><br><div class=
=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Sun., Jul. 9, 202=
3, 8:52 a.m. Michael Salter, &lt;<a href=3D"mailto:[email-masked]"=
 target=3D"_blank" rel=3D"noreferrer">[email-masked]</a>&gt; wrote=
:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;bor=
der-left:1px #ccc solid;padding-left:1ex"><div dir=3D"auto">The outside dia=
meter of the originals is 3.2&quot; Mark.<div dir=3D"auto"><br></div><div d=
ir=3D"auto">M</div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" cl=
ass=3D"gmail_attr">On Sun., Jul. 9, 2023, 6:28 a.m. Mark Donaldson, &lt;<a =
href=3D"mailto:[email-masked]" rel=3D"noreferrer noreferrer" ta=
rget=3D"_blank">[email-masked]</a>&gt; wrote:<br></div><blockqu=
ote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc s=
olid;padding-left:1ex"><div lang=3D"EN-NZ" link=3D"#0563C1" vlink=3D"#954F7=
2" style=3D"word-wrap:break-word"><div><p class=3D"MsoNormal"><span lang=3D=
"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,sans-serif=
">Learned gentlemen,<u></u><u></u></span></p><p class=3D"MsoNormal"><span l=
ang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,sans=
-serif"><u></u>=C2=A0<u></u></span></p><p class=3D"MsoNormal"><span lang=3D=
"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,sans-serif=
">The pulley on my 1956 BN2 is 3=C2=BD=E2=80=9D diameter.=C2=A0 I believe i=
t to be original.=C2=A0 I=E2=80=99ve owned the car for 45 years.<u></u><u><=
/u></span></p><p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-siz=
e:10.0pt;font-family:&quot;Tahoma&quot;,sans-serif"><u></u>=C2=A0<u></u></s=
pan></p><p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.0=
pt;font-family:&quot;Tahoma&quot;,sans-serif">A friend has a BN1 with a pul=
ley diameter of just 3=E2=80=9D.=C2=A0 He thinks it is original.=C2=A0=C2=
=A0 I don=E2=80=99t.=C2=A0 It got me thinking.<u></u><u></u></span></p><p c=
lass=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-fami=
ly:&quot;Tahoma&quot;,sans-serif">I believe his is incorrect as it was conv=
erted here in NZ from a LHD import some 30 years ago.=C2=A0 BN1L 226180<u><=
/u><u></u></span></p><p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"f=
ont-size:10.0pt;font-family:&quot;Tahoma&quot;,sans-serif">The car has some=
 clumsy conversions made to change it to RHD, so I don=E2=80=99t know what =
else might have been =E2=80=98cobbled up=E2=80=99 to get the car on the roa=
d.<u></u><u></u></span></p><p class=3D"MsoNormal"><span lang=3D"EN-US" styl=
e=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,sans-serif"><u></u>=C2=
=A0<u></u></span></p><p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"f=
ont-size:10.0pt;font-family:&quot;Tahoma&quot;,sans-serif">Can somebody of =
you please confirm that 3=C2=BD=E2=80=9D is correct.<u></u><u></u></span></=
p><p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.0pt;fon=
t-family:&quot;Tahoma&quot;,sans-serif"><u></u>=C2=A0<u></u></span></p><p c=
lass=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-fami=
ly:&quot;Tahoma&quot;,sans-serif">That said, I need another for a second 10=
0 engine I am building as a spare.<u></u><u></u></span></p><p class=3D"MsoN=
ormal"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Tah=
oma&quot;,sans-serif">They seem to be scarce down here in NZ, and repros se=
em to be rather expensive.<u></u><u></u></span></p><p class=3D"MsoNormal"><=
span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot=
;,sans-serif"><u></u>=C2=A0<u></u></span></p><p class=3D"MsoNormal"><span l=
ang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,sans=
-serif">Fingers crossed.<u></u><u></u></span></p><p class=3D"MsoNormal"><sp=
an lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,=
sans-serif"><u></u>=C2=A0<u></u></span></p><p class=3D"MsoNormal"><span lan=
g=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,sans-s=
erif">Mark<u></u><u></u></span></p><p class=3D"MsoNormal"><span lang=3D"EN-=
US" style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,sans-serif">Ar=
dmore<u></u><u></u></span></p><p class=3D"MsoNormal"><span lang=3D"EN-US" s=
tyle=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,sans-serif">NZ<u></=
u><u></u></span></p></div></div>___________________________________________=
____<br>
rer noreferrer noreferrer noreferrer" target=3D"_blank">http://www.team.net=
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</blockquote></div>
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[email-masked]

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---

From: john harper via Healeys <[email-masked]>
Date: Tue, 11 Jul 2023 21:54:46 +0100

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Micheal

I was confused by some of the measurements that others had made but now I
can confirm that 1B 1727 is 3.625" in diameter

However, the A70 Hereford and the A90 Atlantic had a larger diameter pulley
1B 1114 and this may have been fitted to a very early 4 cylinder 100.

On Tue, 11 Jul 2023 at 12:59, Michael Salter <[email-masked]>
wrote:

> On Sun., Jul. 9, 2023, 8:52 a.m. Michael Salter, <[email-masked]=
>
> wrote:
>
>>> The pulley on my 1956 BN2 is 3=C2=BD=E2=80=9D diameter.  I believe it t=
o be
>>> original.  I=E2=80=99ve owned the car for 45 years.
>>>
>>>
>>>
>>> A friend has a BN1 with a pulley diameter of just 3=E2=80=9D.  He think=
s it is
=E2=80=99t
>>> know what else might have been =E2=80=98cobbled up=E2=80=99 to get the =
car on the road.
> http://autox.team.net/mailman/options/healeys/[email-masked]
>
>

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<div dir=3D"ltr">Micheal<div><br></div><div>I was confused by some of the m=
easurements that others had made but now I can confirm that=C2=A01B 1727 is=
 3.625&quot; in diameter</div><div><br></div><div><span style=3D"font-famil=
y:Calibri,sans-serif;font-size:11pt">However, the A70 Hereford and the A90 =
Atlantic had a larger diameter pulley 1B 1114 and this may have been
fitted to a very early 4 cylinder 100.</span></div></div><br><div class=3D"=
gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Tue, 11 Jul 2023 at 1=
2:59, Michael Salter &lt;<a href=3D"mailto:[email-masked]">michael=
[email-masked]</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" =
style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);pa=
dding-left:1ex"><div dir=3D"auto">My apologies regarding the diameter of th=
e 100 generator pulleys.=C2=A0<div dir=3D"auto">I made the unforgivable mis=
take of not zeroing my caliper before taking a measurement.=C2=A0</div><div=
 dir=3D"auto">The original pulleys 1B1727 were 3.625&quot; in diameter.=C2=
=A0</div><div dir=3D"auto">I have four in my box of spares, never know when=
 you might need one, an they are all exactly the same diameter plus or minu=
s a few thou.</div><div dir=3D"auto"><br></div><div dir=3D"auto">M</div></d=
iv><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On =
Sun., Jul. 9, 2023, 8:52 a.m. Michael Salter, &lt;<a href=3D"mailto:michael=
[email-masked]" rel=3D"noreferrer" target=3D"_blank">michaelsalter@gmail.=
com</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"marg=
in:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1e=
x"><div dir=3D"auto">The outside diameter of the originals is 3.2&quot; Mar=
k.<div dir=3D"auto"><br></div><div dir=3D"auto">M</div></div><br><div class=
=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Sun., Jul. 9, 202=
3, 6:28 a.m. Mark Donaldson, &lt;<a href=3D"mailto:[email-masked].=
nz" rel=3D"noreferrer noreferrer" target=3D"_blank">[email-masked]=
.nz</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"marg=
in:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1e=
x"><div lang=3D"EN-NZ" style=3D"overflow-wrap: break-word;"><div><p class=
=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10pt;font-family:Tah=
oma,sans-serif">Learned gentlemen,<u></u><u></u></span></p><p class=3D"MsoN=
ormal"><span lang=3D"EN-US" style=3D"font-size:10pt;font-family:Tahoma,sans=
-serif"><u></u>=C2=A0<u></u></span></p><p class=3D"MsoNormal"><span lang=3D=
"EN-US" style=3D"font-size:10pt;font-family:Tahoma,sans-serif">The pulley o=
n my 1956 BN2 is 3=C2=BD=E2=80=9D diameter.=C2=A0 I believe it to be origin=
al.=C2=A0 I=E2=80=99ve owned the car for 45 years.<u></u><u></u></span></p>=
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10pt;font-fa=
mily:Tahoma,sans-serif"><u></u>=C2=A0<u></u></span></p><p class=3D"MsoNorma=
l"><span lang=3D"EN-US" style=3D"font-size:10pt;font-family:Tahoma,sans-ser=
if">A friend has a BN1 with a pulley diameter of just 3=E2=80=9D.=C2=A0 He =
thinks it is original.=C2=A0=C2=A0 I don=E2=80=99t.=C2=A0 It got me thinkin=
g.<u></u><u></u></span></p><p class=3D"MsoNormal"><span lang=3D"EN-US" styl=
e=3D"font-size:10pt;font-family:Tahoma,sans-serif">I believe his is incorre=
ct as it was converted here in NZ from a LHD import some 30 years ago.=C2=
=A0 BN1L 226180<u></u><u></u></span></p><p class=3D"MsoNormal"><span lang=
=3D"EN-US" style=3D"font-size:10pt;font-family:Tahoma,sans-serif">The car h=
as some clumsy conversions made to change it to RHD, so I don=E2=80=99t kno=
w what else might have been =E2=80=98cobbled up=E2=80=99 to get the car on =
the road.<u></u><u></u></span></p><p class=3D"MsoNormal"><span lang=3D"EN-U=
S" style=3D"font-size:10pt;font-family:Tahoma,sans-serif"><u></u>=C2=A0<u><=
/u></span></p><p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-siz=
e:10pt;font-family:Tahoma,sans-serif">Can somebody of you please confirm th=
at 3=C2=BD=E2=80=9D is correct.<u></u><u></u></span></p><p class=3D"MsoNorm=
al"><span lang=3D"EN-US" style=3D"font-size:10pt;font-family:Tahoma,sans-se=
rif"><u></u>=C2=A0<u></u></span></p><p class=3D"MsoNormal"><span lang=3D"EN=
-US" style=3D"font-size:10pt;font-family:Tahoma,sans-serif">That said, I ne=
ed another for a second 100 engine I am building as a spare.<u></u><u></u><=
/span></p><p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10=
pt;font-family:Tahoma,sans-serif">They seem to be scarce down here in NZ, a=
nd repros seem to be rather expensive.<u></u><u></u></span></p><p class=3D"=
MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10pt;font-family:Tahoma,=
sans-serif"><u></u>=C2=A0<u></u></span></p><p class=3D"MsoNormal"><span lan=
g=3D"EN-US" style=3D"font-size:10pt;font-family:Tahoma,sans-serif">Fingers =
crossed.<u></u><u></u></span></p><p class=3D"MsoNormal"><span lang=3D"EN-US=
" style=3D"font-size:10pt;font-family:Tahoma,sans-serif"><u></u>=C2=A0<u></=
u></span></p><p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size=
:10pt;font-family:Tahoma,sans-serif">Mark<u></u><u></u></span></p><p class=
=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10pt;font-family:Tah=
oma,sans-serif">Ardmore<u></u><u></u></span></p><p class=3D"MsoNormal"><spa=
n lang=3D"EN-US" style=3D"font-size:10pt;font-family:Tahoma,sans-serif">NZ<=
u></u><u></u></span></p></div></div>_______________________________________=
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---

From: Michael Salter <[email-masked]>
Date: Tue, 11 Jul 2023 17:15:50 -0400

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Very possible John. My BN1 is B.#174 and has what certainly appears to be
the original generator being dated the month before production.
The problem, as I'm sure you are aware, is that in days gone by it was
quite common for exchange units to get "mixed up", a case of "this one's
close enough!"

M

On Tue., Jul. 11, 2023, 4:54 p.m. john harper, <[email-masked]> wrote:

> However, the A70 Hereford and the A90 Atlantic had a larger diameter
> pulley 1B 1114 and this may have been fitted to a very early 4 cylinder 1=
00.
>> I made the unforgivable mistake of not zeroing my caliper before taking =
a
>> On Sun., Jul. 9, 2023, 8:52 a.m. Michael Salter, <[email-masked]=
m>
>>>> The pulley on my 1956 BN2 is 3=C2=BD=E2=80=9D diameter.  I believe it =
to be
>>>> A friend has a BN1 with a pulley diameter of just 3=E2=80=9D.  He thin=
ks it is
>>>> The car has some clumsy conversions made to change it to RHD, so I
>>>> don=E2=80=99t know what else might have been =E2=80=98cobbled up=E2=80=
=99 to get the car on the
>>>> road.

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<div dir=3D"auto">Very possible John. My BN1 is B.#174 and has what certain=
ly appears to be the original generator being dated the month before produc=
tion.<div dir=3D"auto">The problem, as I&#39;m sure you are aware, is that =
in days gone by it was quite common for exchange units to get &quot;mixed u=
p&quot;, a case of &quot;this one&#39;s close enough!&quot;</div><div dir=
=3D"auto"><br></div><div dir=3D"auto">M</div></div><br><div class=3D"gmail_=
quote"><div dir=3D"ltr" class=3D"gmail_attr">On Tue., Jul. 11, 2023, 4:54 p=
.m. john harper, &lt;<a href=3D"mailto:[email-masked]">ah100tech@gmail=
.com</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"mar=
gin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir=3D"ltr=
">Micheal<div><br></div><div>I was confused by some of the measurements tha=
t others had made but now I can confirm that=C2=A01B 1727 is 3.625&quot; in=
 diameter</div><div><br></div><div><span style=3D"font-family:Calibri,sans-=
serif;font-size:11pt">However, the A70 Hereford and the A90 Atlantic had a =
larger diameter pulley 1B 1114 and this may have been
fitted to a very early 4 cylinder 100.</span></div></div><br><div class=3D"=
gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Tue, 11 Jul 2023 at 1=
2:59, Michael Salter &lt;<a href=3D"mailto:[email-masked]" target=
=3D"_blank" rel=3D"noreferrer">[email-masked]</a>&gt; wrote:<br></=
div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;bor=
der-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir=3D"auto">My =
apologies regarding the diameter of the 100 generator pulleys.=C2=A0<div di=
r=3D"auto">I made the unforgivable mistake of not zeroing my caliper before=
 taking a measurement.=C2=A0</div><div dir=3D"auto">The original pulleys 1B=
1727 were 3.625&quot; in diameter.=C2=A0</div><div dir=3D"auto">I have four=
 in my box of spares, never know when you might need one, an they are all e=
xactly the same diameter plus or minus a few thou.</div><div dir=3D"auto"><=
br></div><div dir=3D"auto">M</div></div><br><div class=3D"gmail_quote"><div=
 dir=3D"ltr" class=3D"gmail_attr">On Sun., Jul. 9, 2023, 8:52 a.m. Michael =
Salter, &lt;<a href=3D"mailto:[email-masked]" rel=3D"noreferrer no=
referrer" target=3D"_blank">[email-masked]</a>&gt; wrote:<br></div=
><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border=
-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir=3D"auto">The ou=
tside diameter of the originals is 3.2&quot; Mark.<div dir=3D"auto"><br></d=
iv><div dir=3D"auto">M</div></div><br><div class=3D"gmail_quote"><div dir=
=3D"ltr" class=3D"gmail_attr">On Sun., Jul. 9, 2023, 6:28 a.m. Mark Donalds=
on, &lt;<a href=3D"mailto:[email-masked]" rel=3D"noreferrer nor=
eferrer noreferrer" target=3D"_blank">[email-masked]</a>&gt; wr=
ote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px=
 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div lang=
=3D"EN-NZ"><div><p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-s=
ize:10pt;font-family:Tahoma,sans-serif">Learned gentlemen,<u></u><u></u></s=
pan></p><p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10pt=
;font-family:Tahoma,sans-serif"><u></u>=C2=A0<u></u></span></p><p class=3D"=
MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10pt;font-family:Tahoma,=
sans-serif">The pulley on my 1956 BN2 is 3=C2=BD=E2=80=9D diameter.=C2=A0 I=
 believe it to be original.=C2=A0 I=E2=80=99ve owned the car for 45 years.<=
u></u><u></u></span></p><p class=3D"MsoNormal"><span lang=3D"EN-US" style=
=3D"font-size:10pt;font-family:Tahoma,sans-serif"><u></u>=C2=A0<u></u></spa=
n></p><p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10pt;f=
ont-family:Tahoma,sans-serif">A friend has a BN1 with a pulley diameter of =
just 3=E2=80=9D.=C2=A0 He thinks it is original.=C2=A0=C2=A0 I don=E2=80=99=
t.=C2=A0 It got me thinking.<u></u><u></u></span></p><p class=3D"MsoNormal"=
><span lang=3D"EN-US" style=3D"font-size:10pt;font-family:Tahoma,sans-serif=
">I believe his is incorrect as it was converted here in NZ from a LHD impo=
rt some 30 years ago.=C2=A0 BN1L 226180<u></u><u></u></span></p><p class=3D=
"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10pt;font-family:Tahoma=
,sans-serif">The car has some clumsy conversions made to change it to RHD, =
so I don=E2=80=99t know what else might have been =E2=80=98cobbled up=E2=80=
=99 to get the car on the road.<u></u><u></u></span></p><p class=3D"MsoNorm=
al"><span lang=3D"EN-US" style=3D"font-size:10pt;font-family:Tahoma,sans-se=
rif"><u></u>=C2=A0<u></u></span></p><p class=3D"MsoNormal"><span lang=3D"EN=
-US" style=3D"font-size:10pt;font-family:Tahoma,sans-serif">Can somebody of=
 you please confirm that 3=C2=BD=E2=80=9D is correct.<u></u><u></u></span><=
/p><p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10pt;font=
-family:Tahoma,sans-serif"><u></u>=C2=A0<u></u></span></p><p class=3D"MsoNo=
rmal"><span lang=3D"EN-US" style=3D"font-size:10pt;font-family:Tahoma,sans-=
serif">That said, I need another for a second 100 engine I am building as a=
 spare.<u></u><u></u></span></p><p class=3D"MsoNormal"><span lang=3D"EN-US"=
 style=3D"font-size:10pt;font-family:Tahoma,sans-serif">They seem to be sca=
rce down here in NZ, and repros seem to be rather expensive.<u></u><u></u><=
/span></p><p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10=
pt;font-family:Tahoma,sans-serif"><u></u>=C2=A0<u></u></span></p><p class=
=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10pt;font-family:Tah=
oma,sans-serif">Fingers crossed.<u></u><u></u></span></p><p class=3D"MsoNor=
mal"><span lang=3D"EN-US" style=3D"font-size:10pt;font-family:Tahoma,sans-s=
erif"><u></u>=C2=A0<u></u></span></p><p class=3D"MsoNormal"><span lang=3D"E=
N-US" style=3D"font-size:10pt;font-family:Tahoma,sans-serif">Mark<u></u><u>=
</u></span></p><p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-si=
ze:10pt;font-family:Tahoma,sans-serif">Ardmore<u></u><u></u></span></p><p c=
lass=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10pt;font-family=
:Tahoma,sans-serif">NZ<u></u><u></u></span></p></div></div>________________=
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