[T2] poor man's voltmeter

[Al Brase]

I think you're on the wrong list to be quoting old Bertrand. Higher voltage
would indeed hold sway over the flux (current flow or amperage). I think
you nailed it.

On Sat, Jul 7, 2018 at 3:59 AM, Robert Mann <robtmann7 at gmail.com> wrote:

>     During my recent difficulties with inadequate charging, and the
> recovery of my battery from 12.6V to 13.6V after the alternator was reco'd,
> I've been able to confirm the poor man's voltmeter works on 12V systems as
> on my old 6V 1957 splittie.  Once the discharge warning light has gone out,
> press the horn button.  If the battery is v low, the horn will either not
> work at all or will produce at most the low-pitch croak of a dying
> tuatara.  As the battery voltage climbs during ensuing miles, the pitch of
> the horn also climbs.  This is a rather reliable qualitative index of
> charge.  I claim this is a refutation of my distant relative B Russell's
> stupid slogan 'number holds sway over the flux'.
>
> Robt Mann
> '73 1600dp Devon
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