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Re: [TR] Electric Fans: Something Different

To: john.macartney@UKPIPS.Org.uk, Rye Livingston <ryel@mac.com>
Subject: Re: [TR] Electric Fans: Something Different
From: TERRY SMITH <terryrs@comcast.net>
Date: Tue, 11 Sep 2018 09:27:08 -0400 (EDT)
Cc: triumphs@autox.team.net, Randall <tr3driver@ca.rr.com>, George Haynes <ghaynestr4@aol.com>
Delivered-to: mharc@autox.team.net
Delivered-to: triumphs@autox.team.net
Importance: Medium Q7uDYNtTcML+WnVNrXe5WwGKe0zm/GXF0GdHIiRPF6Xkxzf8OXq78QbSB0eti1nKU94KV+LR0l5FXF2DmbEsSEpy50tie/MdLQayrChi09r+74t1qyAuhGR8 MiJN27cnEIp4GOC8EYdbuHcNvIhyU88SMD574IFvJLVdbwzgtwXchPPnic345McWpdqHj1BmuSgAaqGexhwTZm64DYeolCETaGAXrFhtMY1LG0JZiC6DDjeW SeDhSTh/MPYOqtW89/KbJFO57LbEggqcs5zm45cCm4ecOUaxNEU=
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So what exactly is the energy co-efficiency of heavy vs. light flywheel?  Heavy 
means more torque to take you up a steeper hill in higher gear, whereas light 
means less mass to move on acceleration so prompter speed?  Something like that?


Terry Smith, TR3A  TS 58667

New Hampshire

> On September 10, 2018 at 2:01 PM Rye Livingston <ryel@mac.com> wrote:
> 
>     For what it's worth, I switched to the 9lb alloy flywheel on my TR3.  I 
> believe the stock one is 32 lbs.  I don't notice any difference getting 
> started in 1st gear, and it does spin up nice and fast. 
> 
>     Rye
>     PH: 530-FIND-RYE
> 
>     On Sep 10, 2018, at 06:26 AM, John Macartney 
> <john.macartney@ukpips.org.uk> wrote:
> 
> 
>         > >         I think I'm correct in saying one of the reasons for the 
> heavier flywheel is
> >         that the wet liner four engine was originally designed for the 
> > Standard
> >         Vanguard with a two speed (low and high) gearbox with overdrive and 
> > also the
> >         Ferguson tractor - both of which engines needed to develop 
> > shedloads of
> >         torque at very low engine speeds. In both instances, much heavier 
> > flywheels
> >         were required. Even if the early TR's could have got away with 
> > lighter
> >         units, that would have meant having two different units. In those 
> > early post
> >         WW2 days, iron and steel in the UK was in such short supply that 
> > having a
> >         'common' flywheel across the range made economic sense from a 
> > production
> >         cost viewpoint. Just an opinion
> > 
> >         Jonmac
> > 
> >         -----Original Message-----
> >         From: Triumphs <triumphs-bounces@autox.team.net> On Behalf Of
> >         jpaynepbr@cox.net mailto:jpaynepbr@cox.net
> >         Sent: 23 July 2018 00:38
> >         To: 'TERRY SMITH' <terryrs@comcast.net>; Randall 
> > <tr3driver@ca.rr.com>;
> >         Andrew Uprichard <auprichard@uprichard.net>; George Haynes
> >         <ghaynestr4@aol.com>; triumphs@autox.team.net 
> > mailto:triumphs@autox.team.net
> >         Subject: Re: [TR] Electric Fans: Something Different
> > 
> >         I believe the TR2/3/4 was more or less "balanced" internally. The 
> > flywheel
> >         weighs about 3x what it needs to. I believe they used the flywheel 
> > to
> >         smooth it out.
> > 
> >         Jonas Payne
> >         PBR Consulting Services, LLC
> >         702.882.6711
> > 
> > 
> > 
> >         ** triumphs@autox.team.net mailto:triumphs@autox.team.net **
> > 
> >         Donate: http://www.team.net/donate.html
> >         Archive: http://www.team.net/archive
> >         Forums: http://www.team.net/forums
> >         Unsubscribe/Manage:
> >         
> > http://autox.team.net/mailman/options/triumphs/john.macartney@ukpips.org.uk
> > 
> > 
> >         ---
> >         This email has been checked for viruses by Avast antivirus software.
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> > 
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> > 
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> > 
> >     > 


 

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<!DOCTYPE html>
<html><head>
    <meta charset=3D"UTF-8">
</head><body><p style=3D"font-size: 12pt; font-family: helvetica, arial, sa=
ns-serif; color: rgb(51, 51, 51);">So what exactly is the energy co-efficie=
ncy of heavy vs. light flywheel?&#160; Heavy means more torque to take you =
up a steeper hill in higher gear, whereas light means less mass to move on =
acceleration so prompter speed?&#160; Something like that?<br></p><p style=
=3D"font-size: 12pt; font-family: helvetica, arial, sans-serif; color: rgb(=
51, 51, 51);"><br></p><p style=3D"font-size: 12pt; font-family: helvetica, =
arial, sans-serif; color: rgb(51, 51, 51);">Terry Smith, TR3A&#160; TS 5866=
7<br></p><p style=3D"font-size: 12pt; font-family: helvetica, arial, sans-s=
erif; color: rgb(51, 51, 51);">New Hampshire<br></p><blockquote type=3D"cit=
e">On September 10, 2018 at 2:01 PM Rye Livingston &#60;ryel@mac.com&#62; w=
rote: <br> <br><div>For what it&#39;s worth, I switched to the 9lb alloy fl=
ywheel on my TR3. &#160;I believe the stock one is 32 lbs. &#160;I don&#39;=
t notice any difference getting started in 1st gear, and it does spin up ni=
ce and fast.&#160;</div><div><br></div><div class=3D"ox-46ae33b836-x-apple-=
signature">Rye <br>PH: 530-FIND-RYE</div><div><br>On Sep 10, 2018, at 06:26=
 AM, John Macartney &#60;john.macartney@ukpips.org.uk&#62; wrote: <br> <br>=
</div><div><blockquote type=3D"cite"><div class=3D"ox-46ae33b836-msg-quote"=
><div class=3D"ox-46ae33b836-_stretch"><span class=3D"ox-46ae33b836-body-te=
xt-content">I think I&#39;m correct in saying one of the reasons for the he=
avier flywheel is<br>that the wet liner four engine was originally designed=
 for the Standard<br>Vanguard with a two speed (low and high) gearbox with =
overdrive and also the<br>Ferguson tractor - both of which engines needed t=
o develop shedloads of<br>torque at very low engine speeds. In both instanc=
es, much heavier flywheels<br>were required. Even if the early TR&#39;s cou=
ld have got away with lighter<br>units, that would have meant having two di=
fferent units. In those early post<br>WW2 days, iron and steel in the UK wa=
s in such short supply that having a<br>&#39;common&#39; flywheel across th=
e range made economic sense from a production<br>cost viewpoint. Just an op=
inion<br><br>Jonmac<br><br>-----Original Message-----<br>From: Triumphs &#6=
0;triumphs-bounces@autox.team.net&#62; On Behalf Of<br><a href=3D"mailto:jp=
aynepbr@cox.net">jpaynepbr@cox.net</a><br>Sent: 23 July 2018 00:38<br>To: &=
#39;TERRY SMITH&#39; &#60;terryrs@comcast.net&#62;; Randall &#60;tr3driver@=
ca.rr.com&#62;;<br>Andrew Uprichard &#60;auprichard@uprichard.net&#62;; Geo=
rge Haynes<br>&#60;ghaynestr4@aol.com&#62;; <a href=3D"mailto:triumphs@auto=
x.team.net">triumphs@autox.team.net</a><br>Subject: Re: [TR] Electric Fans:=
 Something Different<br><br>I believe the TR2/3/4 was more or less &#34;bal=
anced&#34; internally. The flywheel<br>weighs about 3x what it needs to. I =
believe they used the flywheel to<br>smooth it out.<br><br>Jonas Payne<br>P=
BR Consulting Services, LLC<br>702.882.6711<br><br><br><br>** <a href=3D"ma=
ilto:triumphs@autox.team.net">triumphs@autox.team.net</a> **<br><br>Donate:=
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