[TR] TR 3 Voltage Regulator

[Paul Dorsey]

Randall,
I'm not a very sharp tool in the shed, but...
if we're talking about an early 19 amp system being 'outdone' by a later 
higher amp generator...then...
does it follow for systems with alternators as well?

Thanks, Paul Dorsey  60 Tr3
----- Original Message ----- 
From: "Randall" <tr3driver at ca.rr.com>
To: <triumphs at autox.team.net>
Sent: Monday, January 11, 2010 11:16 PM
Subject: Re: [TR] TR 3 Voltage Regulator


> Joe Mato wrote:
>> The conventional wisdom on changing a generator is to also
>> change the VR, Is there a good way to check for proper
>> operation using the old one?
>
> Interestingly enough, I read a note in an old TSOA newsletter to the 
> effect
> that the generator model was changed during the TR3A run; and that the
> control boxes must match the generator used.  The change was from the
> original 19 amp specification to a 23 amp model, and while it makes sense 
> to
> me that the later control box shouldn't be used with the earlier generator
> (as the 19 amp model will eventually burn up if allowed to produce 23 amps
> for long); I was surprised to see that they also said the early box 
> couldn't
> be used with the later generator.
>
> Geo Hahn wrote:
>> The Lucas Fault manual is what I have always used.  I think Randall
>> has a pdf of the thing, possibly on the web.  Hopefully he or someone
>> or an archive search will point you to it.
>
> What I have is not the Lucas Electrical Fault manual, but the Lucas
> Generator and Control Box Tests manual.  This is a short manual intended 
> for
> service stations and such, with simple, straightforward tests and
> adjustments only of the DC generator and control box (no alternators or 
> any
> other electrical device).  28 pages total, but only 6 apply to the setup 
> on
> the TR2-4.
>
> No doubt there are copies on the web, but I've never gotten around to
> putting one up myself, so I just pass around PDF files.  Email me if you'd
> like a copy.
>
> When I assembled TS13571L for TRfest, I deliberately left the original, 19
> amp generator & control box on; just to refresh my memory of what it was
> like.  Works just like I remember: slowly discharging with the headlights 
> on
> and overcharging with them off.  Car doesn't always want to start after a
> long nighttime drive, especially if it's cold and sat for a few days.
> Originality be darned, I'm putting an alternator on!
>
> Randall
>
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