[modeleng] Re: Topsy - to charge and how to charge, that is the question!

I think you are both basically agreeing, but have different names for what
you call the two ends of the diode.

There is no such thing as a diode terminal that should be connected to +ve
or -ve, unless the diode is intended for something specific. A diode has
an annode and a cathode.

The end which the current comes out (the "pointy end" or cathode) should
be connected to the battery, so that current can only flow from alternator
to battery.

That is surely what you have both said, and I would agree with that.

Yours,


Rich.


On Wed, 30 Mar 2005, John Rippengal wrote:

>
> From: "Peter Sheppard" <peter.sheppard@xxxxxxxxxx>
>
>
> >
> > I note the use of the diode, but shouldn't it be the +ive terminal to the
> > battery ? (the pointy end!)
>
> No! You want the current to flow only when the alternator is MORE positive
> than the battery or the battery/load combination.
>
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