I made up a regulator for the TR4 temperature gauge I installed in my
TR3. The current draw on it was very small, less than 100ma. An LM317 1
amp adjustable regulator should be more than enough to handle all of the
instruments.
Tony Rhodes wrote:
>
> >There is one thing to be aware of, though, when adding electrical meters=
>
> to
> >one of our Triumphs. The stabilizer is designed for a specific load. If
> you
> >add an extra meter, the voltage output of the stabilizer will be reduced=
> ,
> and
> >all instruments will give false readings, on the low side.<
>
> Dan, Hi!
> I an fairly enthusiastic about keeping things stock, especially if it is
> visible, or if stock works pretty well as is. I recently changed my
> turn signal flasher unit to the electronic one from pep boys, and now
> my dash light blinks too! It is less susceptible to corroded lamps
> causing flasher malfunction.
>
> In the same vein, I wonder if the voltage stabilizer (actually a 10 volt
> regulator)
> is one of those things that could be changed to modern semiconductors. I=
> t
> will be able to maintain 10v over a broad range of input voltages, and th=
> e
> adjustment is made at electronic speeds (I assume the stabilizer is
> electro-mechanical). Maybe we should use semiconductors, then we don't
> need to worry too much about the drain through the stabilizer, etc. =
>
> I occasionally notice the ammeter needle "ping" (vibrate as if on a sprin=
> g)
> when
> I rev up out of idle. I had assumed that it was registering the main
> voltage
> regulator doing its regulation thing, but maybe it is the stabilizer!
>
> Do you have an idea about the total amperage draw through the stabilizer?=
>
> I figure a 5 amp voltage regulator and a couple of resistors ought to do
> the job!
> I can whip one up out of my bin of parts now.
>
> -Tony
--
George Richardson
The Wyvern - '57 TR3, TS15559L - Now on the road!
http://www.merlingroupinc.com/tr3.htm
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