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Re: [TR] TR4/6 Voltage Stabilizer

To: Anthony Rhodes <spamiam@comcast.net>, triumphs@autox.team.net
Subject: Re: [TR] TR4/6 Voltage Stabilizer
From: William Brewer <billbrewer59@yahoo.com> mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo
Date: Wed, 1 Jun 2022 12:07:33 -0700
Delivered-to: mharc@autox.team.net
Delivered-to: triumphs@autox.team.net
References: <mailman.11.1654106403.22486.triumphs@autox.team.net> <CE8FA265-F4BE-410E-85D4-DBFBAC00A73B@comcast.net>
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      I would definitely be interested in more details & schematics.

      -Bill Brewer


On 6/1/2022 11:40 AM, Anthony Rhodes 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 LM2940â??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 2940â??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@autox.team.net wrote:
>>
>> Message: 1
>> Date: Tue, 31 May 2022 19:12:36 -0700
>> From: William Brewer <billbrewer59@yahoo.com>
>> To: Triumph List <triumphs@autox.team.net>
>> Subject: [TR] TR4/6 Voltage Stabilizer
>> Message-ID: <4b9c278c-ffbf-4d70-5f30-9e75ceb2468c@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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