[TR] TR4/6 Voltage Stabilizer

[William Brewer]

      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 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?