On Sun, 17 Apr 2005 19:08:09 -0400, Capt. Neal®
wrote:


"Meindert Sprang" wrote in message ...
"Glenn Ashmore" wrote in message
news:cbu8e.7195$Z73.4465@lakeread04...
Why all this ranting over a proven fact that drawing 12V off of one
battery
of a 24V bank is not a good idea? A 40 amp 24/12 DC/DC converter capable
of running all the electronics on the boat can be bought for the price of
a
couple of golf cart batteries.

This is nonsense!

I agree with you completely, Glenn. It's just that I cannot stand those
people who claim to be in the know, are misinforming people who aren't.

Meindert


You don't know squat about batteries in a circuit, Mr. Sprang. You are
the one doing the misinforming.

Read my other posts and do something about your ignorance.
Read this one, too. Perhaps if you read the truth three or
four times it just might sink in.

Nigel doesn't need anything but a couple of wires tapped off one
of the batteries in his series circuit and as long as a circuit is maintained
the two batteries will take and maintain an equal charge, irregardless
of the tap. It's only when the two batteries are isolated from the circuit
by a switch of some sort that the tapped battery will discharge and
the untapped battery will not be affected. Unless there is a circuit
there is no such thing as batteries connected in series. Connected in
a series implies or necessitates a circuit.

You can line up 20 flashlight D cells end to end and say they are connected
in series but until you complete a circuit they remain separate and distinct
cells. If you tap off the one in the center it will discharge and all the
others will not be affected but as soon as you connect them to a circuit
the discharged battery (ni-cad in this case) will become charged up at
the expense of the others until its voltage is raised and the others 'voltage
is lowered proportionally.

I hope this simple example will reduce your fogged thinking.

CN



I realize we are dealing with someone here that just wants to make an
argument and has no understanding of the subject at hand.
But perhaps it has some entertainment value.

Just so those that really want to know don't go away with the wrong
idea of how things work, maybe the good "Capn" would like to explain
how an individual cell in a battery that has been discharged is going
to be charged up by the other cells in the battery by merely placing a
load on the whole battery?

That individual discharged cell will be receiving reverse polarity
charge from the other cells in the circuit.

Of course maybe the "Capn" has some sort of magic battery in his boat.

Regards
Gary