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First Union Securities, Inc.
Rob -
I will try to provide some data, but at this point my experience is limited.
(less than one hour of total flight time).
Details of installation:
Lycoming IO-360, turbocharged (oil cooled turbo)
single Positech 4215 oil cooler
ducted from baffle behind #3 cylinder, vented to open area behind engine
Engine plenum configuration
I have experienced oil temperatures that are TOO hot, even on cold days. I
have just completed a modification to the oil cooler setup that I hope will
improve oil temps. Modifications include dedicated 3" NACA duct air inlet
to a larger (Positech 4219) oil cooler. NACA is on copilot side, about 2"
below the junction from upper to lower cowl. Also has a dedicated outlet
that is the reverse louvered gills on the upper cowl. I'll post how it works (or doesn't work) after it has flown...
Matt
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I'd like to get comments, particularly from 360 drivers who take air off
the baffling and have or don't have cooling problems. (I'm assuming that
those of you with NACA scoops don't have cooling problems on the #3 cylinder specifically.)
LML website: http://www.olsusa.com/Users/Mkaye/maillist.html
LML Builders' Bookstore: http://www.buildersbooks.com/lancair
Please send your photos and drawings to marvkaye@olsusa.com.
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