Message-ID: <20020203085436.47214.qmail@web13303.mail.yahoo.com>
Date: Sun, 3 Feb 2002 00:54:36 -0800 (PST)
From: BILL HANNAHAN <wfhannahan@yahoo.com>
Subject: engine dynamics
To: MAIL LANCAIR <lancair.list@olsusa.com>
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Reply-To: lancair.list@olsusa.com

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>>
I have enjoyed the discussion on engines, yet the
key point that prevents me from running lean of
peak has yet to be addressed head on.

As I understand it oxygen atoms are like frat
boys at a toga party, desperate to make a
connection before the party is over, and the
hotter the party the more anxious they are. We
run rich of peak to insure that there  will
always be enough excess hydrogen and carbon atoms
to satisfy their needs before they can grab a hot
atom from the exhaust valve on their way out the
door.

Cars run at low average power settings, temps are
low when the exhaust valve opens, so they can get
away with lean operation.

My question is how can we get away with LOP for
2000 hrs. of continuous high power operation
without burned leaky exhaust valves?

=====
BILL HANNAHAN
WFHANNAHAN@YAHOO.COM

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