Jim,
I don't know how to integrate a muffler into the system, but in terms of
ground cooling, a builder at ARR has an E-racer, with an IO-540,
supercharged, and cools it very effectively on the ground and taxiing with
the use of exhaust augmenters. He doesn't use a muffler, so his exhaust
(each side) goes into an augmenter tube, and this works VERY well. He can
run around on the ground as much as he wants to with no overheating.  In
flight, he gets 7-8" delta p depending on his air speed.
Bill Schertz
KIS Cruiser # 4045
----- Original Message -----
From: "Jim Sower" <canarder@frontiernet.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Saturday, December 20, 2003 10:50 PM
Subject: [FlyRotary] Re: evap core versus radiator


> Ron,
> Good to hear from you again.  I thought you had dropped off the end
> of the earth.  Are you still running "plugs up"?  I heard your turbo
> didn't work out but nothing for a year or two.  I've heard a lot of
> talk about electric fans but have been pretty ambivalent for the
> reason you stated.  I saw an EZ with a conical fairing from the
> flywheel to the end of the prop extension that had big glass fan
> blades fastened to it that pretty much dominated the cowl exit.  He
> claimed that it helped his ground cooling a BUNCH.  Maybe something
> like that could work.
> Don't be a stranger .... Jim S.
>