Re: power question

[William and Melissa Johns <gizmology-at-gizmology.net>]

You can buy or make DC to DC converters (google!) that will make just about 
any voltage from any other voltage, with reasonable efficiency.  This is 
what I'd do.

You can also stack the batteries to get various voltages - four 12v 
batteries give you 48 volts, if you tap on the first two, you get 24, 
etc.  The load on the batteries won't be equal, though, so the first 
battery will die first.

You can also put identical loads (in terms of current draw, not what they 
are) in series - two 12v 1A loads in series, for example, will draw 1A at 
24v.  Most of the loads in a tank, though, will probably not be constant 
enough for this to work.

Or you can make half the weight of your tank batteries, and have a separate 
battery for each voltage.




At 03:05 PM 8/27/2004, you wrote:

>hi every one
>I have a problem and i need some help. This is my first project. Im run 48 
>volts dc power to run my drive motors . 24 volt to run the turret. I 
>haven't figure out what motor im going to use for elevation. And im going 
>to two servos to fire the paint ball guns. Here is the big im going to use 
>18 cooling  that are 12 volt so what can i do.
>
>thanks
>mike

--

Anthropology: when your Uncle has to say he's sorry to his wife. (This 
actually happens in some places.)