[TR] TR4/6 Voltage Stabilizer

[Jeff Scarbrough]

And I as well.  I was thinking it should be a simple device, but had not
dug into the details.  I know that the single component won't be enough,
though.

On Wed, Jun 1, 2022, 14:40 Anthony Rhodes <spamiam at comcast.net> wrote:

> I built my own voltage stabilizer.
>
> At the time, Moss had one that used a diode and a transistor as a form of
> a crude shunt regulator.
>
> I used a LM2940–10 automotive low dropout 10 V analog regulator.
>
> Sense and I have seen photographs of the guts of the newer electronic
> regulators. It appears they use a single voltage regulator with no other
> components around it.
>
> As I recall,  These used a through hole TO 220 device with the legs bent
> over 90 degrees and no heat sinking.
>
> Not ideal
>
> All these analog regulators need proper capacitors on the input in output
> side of the regulator.
>
> My regulator with the LM 2940–10 has been in use since probably about 2004
> with no problems in a TR4A
>
> I can give further details, schematics, etc. to people if they are
> interested.
>
> -Tony
>
> >
> > On Jun 1, 2022, at 2:01 PM, triumphs-request at autox.team.net wrote:
> >
> > Message: 1
> > Date: Tue, 31 May 2022 19:12:36 -0700
> > From: William Brewer <billbrewer59 at yahoo.com>
> > To: Triumph List <triumphs at autox.team.net>
> > Subject: [TR] TR4/6 Voltage Stabilizer
> > Message-ID: <4b9c278c-ffbf-4d70-5f30-9e75ceb2468c at yahoo.com>
> > Content-Type: text/plain; charset="utf-8"; Format="flowed"
> >
> > ???? I have a TR4 temperature gauge in my TR3. The Moss gauge voltage
> > stabilizer only lasted a few thousand miles and the quit outputting the
> > 10 volts. Anybody else having short lifespans on their voltage
> > stabilizers? Are there better ones out there? Moss makes a big deal
> > about "Modern electronics in a vintage style housing". Screw the vintage
> > style housing, I want dependability. Is there an aftermarket one that
> > has a long life?
>
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