Message-ID: <20010424171511.14185.qmail@web12504.mail.yahoo.com>
Date: Tue, 24 Apr 2001 10:15:11 -0700 (PDT)
From: Aaron May <aaronmay1@yahoo.com>
Subject: Re: A/C
To: lancair.list@olsusa.com
In-Reply-To: <3AE48415.91C85141@Logan.com>
MIME-Version: 1.0
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Reply-To: lancair.list@olsusa.com

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          <<  Lancair Builders' Mail List  >>
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>>
<<A GEN II Compac from
http://www.springfieldstreetrod.com/air1.htm 
(12v only) by http://www.vintageair.com/ requires
about 5hp to drive the compressor and a 300^2"
condenser.  but its has an electric clutch on the
condenser, heating elements (no CO2 worries), and
de-frost(!) for a "total solution".>>

I called these guys 'cause it looked worth checking
into and they said that the complete system weighs
"about" 50 lbs.  I doubt that there is another
"built-in" system that weighs this little.

Let's do the math that I know all of us Legacy
builders have done a million times already, but for
the sake of clarity.  Okay we start off with 700 lbs
useful with a Continental IO 550.  The A/C system will
take you to 645 lbs (conservative) right away.  It you
put two (200 lb) people and bags (40 lbs?) for the
average cross-country trip, you're left with 205 lbs
to work with.  That's 34 gallons, which, at 15 gph,
will give you a 2 1/2 hour range till dry.  That will
put you 600 statute miles away with a half hour
reserve, on a good day.  If you go solo, you can fill
the tanks up and you'll be a little bit under gross
(they say 66 gallons, but that was before they added
the speed brake pockets, which makes it about 64), and
then be able to get that 4 hour range.  Something to
think about if you're gonna fly mostly solo or locally
(no bags and no need for full fuel).  I know I'm
thinking about it especially 'cause the Lycoming IO
540 I'll be using is gonna be 30 lbs lighter than the
Continental and still produce 300 hp (thanks to
Barrett Performance Aircraft's cold air induction
system).

Regards,
Aaron May
Legacy N589SF

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