Ezra, it is not Friday yet!

Ezra Hall wrote:
>
> Folks,
>  We are planning a 3 week x-country camping trip this summer. Although we will
> not be camping with access to power most of the time, it would be nice to have
> the option of A/C at night if it is really hot out.
>
>   Not wanting to lug around a household A/C unit or install an oversize R/V
> unit, I thought, why not use the existing refrigerant loop?
>
>   - Add second clutch to Compressor with belt to A/C motor
>     (or some other means to power the compressor off
>      another source)
>   - Add control electronics
>     - Interior Air temp sense
>     - Evaporator fan control (interior fan)
>     - Temp sense of Condensor and Fan speed control to
>       reduce noise emissions
>     - Control of A/C motor
>     - Safety sense (Low press. sensor,etc..)
>     - battery charger to maintain charge with all the
>       12V fans running
>     - etc..
>
> Questions:
>     - How much power does the A/C compressor use?
>     - What is the most efficient speed (RPM) for
>       compressor operation?
>
> Just an idea.... Opinions?
> Thanks,
>  Ezra
> '88 Westy
> '86 944

--
Stuart MacMillan
Manager, Case Program
800-909-8244 ext. 8208
Fax: 206-269-6360

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