Mailing List flyrotary@lancaironline.net Message #55153
From: Thomas Giddings <tom@midwestaviation.net>
Subject: Re: [FlyRotary] Re: Oil Cooler size
Date: Fri, 20 May 2011 20:52:47 -0400
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Hi Mark: Almost called you today...but got distracted. So would 960 sq in cool the oil with a dedicated plenum. Also where might I have a look at a Laminova cooler?
Tom Giddings
VP Avionics Sales
MIDWEST AVIONICS
200 Hardy Roberts Dr
PO Box 219
West Paducah,KY 42086
877-904 9966
Cell; 727 858-1772
FAX:270 744 3466
tom@midwestaviation.net


On May 20, 2011, at 8:44 PM, Mark Steitle wrote:

Tom, 

The oil cooler on my P-Port 20B is approx. 10 x 11 x 3.5 (going from memory), but I'm also running a Laminova oil-to-water exchanger in series.  The hottest oil is sent to the Laminova, then to the oil/air exchanger.  Return "cool" water is routed through the Laminova on its way back to the engine.  If you're looking to cool 400 hp using only oil/air coolers, I would double the core size of my single cooler.  Of course, this all depends on the effectiveness of your intake and exit plenums.  

Mark

On Fri, May 20, 2011 at 7:24 PM, Thomas Giddings <tom@midwestaviation.net> wrote:
Any suggestions on how big an oil cooler I need for my 20B Turbo. Should be just North of 400HP. I am planning on a 35x13x2.5= 1137.5 " radiator for water cooling. It has its own dedicated plenum and discharge. Much like Tracy's . I hope the oil cooler can be smaller as I only have room for 32x12 x 2.5.


Tom Giddings
VP Avionics Sales
MIDWEST AVIONICS
200 Hardy Roberts Dr
PO Box 219
West Paducah,KY 42086
877-904 9966
Cell; 727 858-1772
FAX:270 744 3466
tom@midwestaviation.net
Online Store
www.midwest-avionics.com





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