In a message dated 98-06-19 08:35:50 EDT, arbosch@ra.rockwell.com writes:

> Why use a 120vac motor when you can get a 12vdc that will do the trick?
>  The entire aux. system - compressor motor and a/c fans and controls - could
>  run off the same circuit.

Because thats a tremendous amount of power to be putting through a charger and
a battery in an ongoing mode.  Similar to the power required by the starter,
but nearly continuous.  Also a 12VDC motor will need to draw 10X the current,
requiring much larger wiring compared to 120VAC.

Regards,
Jim Davis