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Date: Thu, 09 Aug 2007 18:48:07 -0500
From: Dennis Haverlah <clouduster@austin.rr.com>
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To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: Engine oil outlet modification
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I have been told that if I reroute my oil system by tapping into the 
front oil galley and eliminating the 2 - 90 deg. turns the oil makes 
going to the front housing I could achieve a 10 + deg drop in oil temp. 
due to higher oil flow and less friction.  This mod. involves tapping 
into the oil galley on the the side-iron that has the oil pump mounted 
on it. 
I am ready to try try this in the next few days.  Mark Steitle had 
modified his 20 B but does not have any test data on how well it worked.

Does anyone have experience with oil temperatures before and after the 
modification?


Thanks,
Dennis H.