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Date: Sat, 25 Aug 2007 12:51:19 -0500
From: Charlie England <ceengland@bellsouth.net>
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To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: need help
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Wendell Voto wrote:
>  
> 
>     Thanks for the responses to my requests.
>      I wasn't to go John Slade's route and try to put in an air
>     conditioner and the lines need to take 250 to 300 psi.  The larger
>     return line should only see about 175 psi on a hot tarmac (engine
>     off) and the feed line will see up to 275 psi (assuming a
>     inefficient condenser) on a hot day.
>     Finding a place for the condenser is the main problem as I see it.
>      
>     I'll look up Mazdatrix for the exhaust studs.  I hoped someone knew
>     the exact size so they could be purchased locally.
>      
>     Here is a math problem for you brain types (all rotary head but me)
>     -how much fuel will a tank hold that is 3.75 in. tall, 15 in. long,
>     11 in.deep on the bottom, top is 6 in. deep then slopes to zero at
>     the front? I think it is about 1.8 gal.
>     ___6in._
>     |                \  
>     |_________\
>            11in.
>      
>     Wendell
>      
The effective length is 6+(1/2*(11-6)).
Area=3.75*15*(6+(1/2*(11-6)))
3.75*15*8.5=478.125
231 cu in per gal
478.125/231=2.0698gal

Can you use automotive air conditioner aluminum line? Then you'll know 
that it can take the pressure. :-)

Charlie