Message-ID: <3C4AFB4B.8000807@regandesigns.com>
Date: Sun, 20 Jan 2002 09:15:55 -0800
From: Brent Regan <Brent@regandesigns.com>
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To: Lancair List <lancair.list@olsusa.com>
Subject: RE: What if?
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Rick writes:

<<Ron just woke me up!!! I re read my e-mail and I was talking about the 
IO-550 non Turbocharged Contential and the IO-540 non Turbocharged Lyc. 
engines. Sorry for the typo. Maybe this will clear up Brents issue.>>

I see.... Given the limited information provided I must assume that your 
are implementing an electric supercharger. Not a bad idea actually. I 
know of several companies that manufacture high speed polyphase 
brushless permanent magnet DC motors. Couple one of these to a 
centrifugal compressor (half a turbocharger) add a high frequency drive 
and a mas macho alternator, stir and viola! Mr. Manifold pressure is 
taking steroids.

When we were competing at Battlebots last November, Hamid and I were 
talking to the owner of Astroflight about this very application and 
putting a system in Hamid's Mooney.

The good news is that you can get more shaft horsepower with a 
supercharger for a given manifold pressure because you don't have the 
back pressure of a turbo supercharger. The bad news is that the 
horsepower to drive the compressor has to come from somewhere and that 
somewhere is the crankshaft via the alternator.

So, wadayasay Rick? Did I spoil the surprise?

Regards
Brent Regan

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