[TR] Electric Fans: Something Different

[Paul Dorsey]

do they make a lighter flywheel?  What about Aluminum?
Paul

On Mon, Sep 10, 2018 at 9:30 AM John Macartney <john.macartney at 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 at autox.team.net> On Behalf Of
> jpaynepbr at cox.net
> Sent: 23 July 2018 00:38
> To: 'TERRY SMITH' <terryrs at comcast.net>; Randall <tr3driver at ca.rr.com>;
> Andrew Uprichard <auprichard at uprichard.net>; George Haynes
> <ghaynestr4 at aol.com>; triumphs at 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
>
>
>
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