Mailing List lml@lancaironline.net Message #49188
From: Colyn Case at earthlink <colyncase@earthlink.net>
Sender: <marv@lancaironline.net>
Subject: Re: [LML] Re: IO-550N take off fuel flow
Date: Fri, 17 Oct 2008 03:12:21 -0400
To: <lml@lancaironline.net>
Message
Mine is at 43.8gph.  Adding fuel moves theta-peak-pressure further beyond top dead center and lowers peak pressure which reduces the stress on the engine.
With exhaust tunnel extensions I can climb at 38"/2700rpm @380dF CHT's @ 140 knots.
Dropping back to 32"/2500rpm CHT's are in the 350's.   Wish I had Fred's cowl flaps.
 
38gph is too low.
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