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Subject:Re: Idea for A/C and camping /F
From:kenneth d lewis
Date:Fri, 19 Jun 1998 19:27:40 EDT

On the other hand... My Grandpa would put things in perspective by
saying;"  Air conditioning is for pussies". Man of few words  he was.
Hey! It's friday!
Drive Safely & Good Luck
Ken Lewis<Kernersville,NC>

On Fri, 19 Jun 1998 23:41:30 -0700 Per Lindgren <lindgre@ONLINE.NO>
writes:
>Otmar Ebenhoech wrote:
>>
>> >Ideally, you would want a 12v DC motor to run the entire system.  A
>simple
>> >"transfer" switch would allow the power to be routed to the aux.
>motor and
>> >the a/c fans and controls.  If memory serves, ac to dc converters
>are
>> >available from JC Whitney, and the "transfer" switch could be had
>from a
>> >electrical supply company or even a Home Depot.  The fans and a/c
>controls
>> >would have to be rewired from the transfer switch so that no
>current flows
>> >back to the battery and charging system, but I do not think that
>would be a
>> >problem.
>>
>>         Excuse me for not having read the whole thread, but wasn't
>someone
>> thinking of a  5 HP motor for this?
>>
>>         5 HP at 746W/HP = 3730W / 80% efficiency = 4662W / 12V = 388
>Amps.
>> Even at 2 HP you're looking at drawing 155 Amps.
>> The 12V DC to AC inverter and/or the 12V charger for this size would
>be
>> very expensive and heavy.
>>
>>         But I like the stationary AC idea. If it's only used when
>plugged
>> into outside AC power such as at a RV place. I could see it being
>done with
>> a hermetic compressor/motor unit out of a window AC unit. This could
>be
>> plumbed in parallel with the stock AC unit. Both the stock unit and
>the
>> stationary one would need check valves.
>>
>>         I wonder how this would work. Ideas?
>>
>>  -Otmar-
>> -------------------------------------------------------------------
>>                    Electric Vehicle Components Ltd.
>> Otmar Ebenhoech        mailto:Otmar@EVCL.com        (650) 494-9255
>>                         http://www.evcl.com/
>>            Energizer Bunny arrested, charged with battery.
>>              Ban SUVs!   http://www.howard.net/ban-suvs.htm
>> -------------------------------------------------------------------
>
>I think the general idea of this setup was having a 110v ac motor
>running the a/c
>compressor, and a stationary charger/converter (instead of the
>alternator) that delivers
>power to the batteries, and using the onboard a/c system to cool the
>bus.
>
>Per Lindgren
>
>88 Syncro (no a/c)
>

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