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Hank et al,
I am not familiar with the pulleys on the BN1 and BN2 other than I have
been told they are wider than both the 3/8" and 1/2" pulleys on the later
Healeys. If someone out there has a pulley from a 100 and can measure the
Effective Groove Width (the width at the top of the pulley) and the groove
angle (it should be close to 34 deg.) I can determine the right series of
belt. Length is more difficult.
I will use my 45 year old SAE manuals as opposed to AI.
Harold
On Sun, Mar 23, 2025 at 11:37=E2=80=AFAM Hank Leach <gradea1@charter.net> w=
rote:
> Harold-thank you! great article and completely understandable and useful.
> Now do you have anything about the monster V-belt on the 100? I think th=
at
> is the belt both Michaels are talking about. This one is really hard to
> find, massive and often fitted wrongly thus eating up generator bearings.
> It was made to be mounted on the original truck(lorry) version 6 cylinder
> engine and carried over when the 4 (2660cc) was cut down and manufactured=
.
> I had nothing but pulley problems during my restoration. Would love to ha=
ve
> a number for this one. Original belt part number 2H4238 fitting pulleys
> 1B1057 crank;1B1024 WP and 1B1727 dynamo. FYI AH Spares says this is the
> belt:
> *CHT137
> <https://www.ahspares.co.uk/austin-healey/big-healey/cooling-heating-cht1=
01-to-cht147/fan-belt.aspx>* *Fan
> Belt - Correct 3/4" Width
> <https://www.ahspares.co.uk/austin-healey/big-healey/cooling-heating-cht1=
01-to-cht147/fan-belt.aspx>* 3/4"
> wide. Moss has "original type" 021-066
> Regards, Hank
> --------------------
>
> From: "Harold Manifold" <manifold@telus.net>
> To: "Michael Salter" <michaelsalter@gmail.com>
> Cc: "Healeys at Autox" <healeys@autox.team.net>
> Sent: March 23, 2025 at 9:57 AM PDT
> Subject: Re: [Healeys] Correct V-belt
> Michael,
>
> I want to save you from falling down the fan belt rabbit hole. A couple o=
f
> years ago I wrote the attached article for our club magazine. It should
> help to give you a clear path forward.
>
> Harold
>
> On Sun, Mar 23, 2025 at 6:17=E2=80=AFAM Michael Salter <michaelsalter@gma=
il.com>
> wrote:
>
>> Michael, as I recall you are running an alternator on your 100. Has the
>> original 100 generator pulley been fitted to the alternator, as the
>> original alternator pulley would definitely require a totally different
>> belt than would be correct for the 100 pulleys?
>>
>> On Sat., Mar. 22, 2025, 8:19 p.m. Michael Oritt, <michael.oritt@gmail.co=
m>
>> wrote:
>>
>>> I went to the NAPA store today to get a V-belt and was sold a smooth
>>> belt with an FH (Fractional Horsepower) designation.
>>> The packaging said it was for lawn and household applications of less
>>> than 1 HP.
>>> I asked the sales clerk if an FH belt was suitable for automotive use
>>> and was told "Yes".
>>> Now I see that Google AI says no--that such a belt is [i]not[/i]
>>> suitable for cars.
>>> Who is right--AI or NAPA and if not FH which designation is correct?
>>>
>>> Best--Michael Oritt
>>>
>>> _______________________________________________
>>> Support Team.Net http://www.team.net/donate.html
>>> Suggested annual donation $12.75
>>>
>>> Archive: http://www.team.net/pipermail/healeys
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>>>
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>>>
>>> _______________________________________________
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>>
>>
>
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<div dir=3D"ltr">Hank et al,<div><br></div><div>I am not familiar=C2=A0with=
the pulleys on the BN1 and BN2 other than I have been told they are wider =
than both the 3/8" and 1/2" pulleys on the later Healeys. If some=
one out there has a pulley from a 100 and can measure the Effective Groove =
Width (the width at the top of the pulley) and the groove angle (it should =
be close to 34 deg.) I can determine the right series of belt. Length is mo=
re difficult.</div><div><br></div><div>I will use my 45 year old SAE manual=
s as opposed to AI.</div><div><br></div><div>Harold</div><div><br></div><di=
v><br></div></div><br><div class=3D"gmail_quote gmail_quote_container"><div=
dir=3D"ltr" class=3D"gmail_attr">On Sun, Mar 23, 2025 at 11:37=E2=80=AFAM =
Hank Leach <<a href=3D"mailto:gradea1@charter.net";>gradea1@charter.net</=
a>> wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0p=
x 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><d=
iv>Harold-thank you! great article and completely understandable and useful=
. Now do you have anything about the monster V-belt on the 100?=C2=A0 I thi=
nk that is the belt both Michaels are talking about. This one is really har=
d to find, massive and often fitted wrongly thus eating up generator bearin=
gs. It was made to be mounted on the original truck(lorry) version 6 cylind=
er engine and carried over when the 4 (2660cc) was cut down and manufacture=
d. I had nothing but pulley problems during my restoration. Would love to h=
ave a number for this one. Original belt part number 2H4238 fitting pulleys=
1B1057 crank;1B1024 WP and=C2=A0 1B1727 dynamo. FYI AH Spares says this is=
the belt:=C2=A0
<table id=3D"m_5584014619263123253ctl00_ContentPlaceHolder_dgProducts" bord=
er=3D"1" rules=3D"all" cellspacing=3D"0" cellpadding=3D"5">
<tbody>
<tr>
<td><strong><a href=3D"https://www.ahspares.co.uk/austin-healey/big-healey/=
cooling-heating-cht101-to-cht147/fan-belt.aspx" target=3D"_blank">CHT137</a=
></strong></td>
<td><strong><a href=3D"https://www.ahspares.co.uk/austin-healey/big-healey/=
cooling-heating-cht101-to-cht147/fan-belt.aspx" target=3D"_blank">Fan Belt =
- Correct 3/4" Width</a></strong></td>
</tr>
</tbody>
</table>
=C2=A03/4" wide.=C2=A0 Moss has "original type" 021-066</div=
>
<div>Regards, Hank<br>-------------------- <br><br>From: "Harold Manif=
old" <<a href=3D"mailto:manifold@telus.net"; target=3D"_blank">manif=
old@telus.net</a>> <br>To: "Michael Salter" <<a href=3D"mai=
lto:michaelsalter@gmail.com" target=3D"_blank">michaelsalter@gmail.com</a>&=
gt; <br>Cc: "Healeys at Autox" <<a href=3D"mailto:healeys@auto=
x.team.net" target=3D"_blank">healeys@autox.team.net</a>> <br>Sent: Marc=
h 23, 2025 at 9:57 AM PDT <br>Subject: Re: [Healeys] Correct V-belt </div>
<div>Michael,
<div>=C2=A0</div>
<div>I want to save you from falling down the fan belt rabbit hole. A coupl=
e of years ago I wrote the attached article for our club magazine. It shoul=
d=C2=A0 help to give you a clear path forward.</div>
<div>=C2=A0</div>
<div>Harold</div>
</div>
<div>=C2=A0</div>
<div class=3D"gmail_quote">
<div class=3D"gmail_attr">On Sun, Mar 23, 2025 at 6:17=E2=80=AFAM Michael S=
alter <<a href=3D"mailto:michaelsalter@gmail.com"; target=3D"_blank">mich=
aelsalter@gmail.com</a>> wrote:</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>Michael,=C2=A0 as I recall you are running an alternator on your 100. =
Has the original 100 generator pulley been fitted to the alternator, as the=
original alternator pulley would definitely require a totally different be=
lt than would be correct for the 100 pulleys?</div>
<br>
<div class=3D"gmail_quote">
<div class=3D"gmail_attr">On Sat., Mar. 22, 2025, 8:19 p.m. Michael Oritt, =
<<a href=3D"mailto:michael.oritt@gmail.com"; rel=3D"noopener" target=3D"_=
blank">michael.oritt@gmail.com</a>> wrote:</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>
<div class=3D"gmail_default" style=3D"color:rgb(51,51,255)">I went to the N=
APA store today to get a V-belt and was sold a smooth belt with an FH (Frac=
tional Horsepower) designation.<br>The packaging said it was for lawn and h=
ousehold applications of less than 1 HP. =C2=A0<br>I asked the sales clerk =
if an FH belt was suitable for automotive use and was told "Yes".=
=C2=A0<br>Now I see that Google AI says no--that such a belt is [i]not[/i]=
suitable for cars. =C2=A0<br>Who is right--AI or NAPA and if not FH which =
designation is correct?</div>
<div class=3D"gmail_default" style=3D"color:rgb(51,51,255)">=C2=A0</div>
<div class=3D"gmail_default" style=3D"color:rgb(51,51,255)">Best--Michael O=
ritt</div>
<div class=3D"gmail_default" style=3D"color:rgb(51,51,255)">=C2=A0</div>
</div>
_______________________________________________<br>Support Team.Net <a href=
=3D"http://www.team.net/donate.html"; rel=3D"noopener" target=3D"_blank">htt=
p://www.team.net/donate.html</a><br>Suggested annual donation=C2=A0 $12.75<=
br><br>Archive: <a href=3D"http://www.team.net/pipermail/healeys"; rel=3D"no=
opener" target=3D"_blank">http://www.team.net/pipermail/healeys</a> <a href=
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<br></blockquote>
</div>
_______________________________________________<br>Support Team.Net <a href=
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kquote>
</div>
<div>=C2=A0</div></blockquote></div>
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