Mailing List flyrotary@lancaironline.net Message #53252
From: Bobby J. Hughes <bhughes@qnsi.net>
Subject: RE: [FlyRotary] Fw: Water temps
Date: Mon, 13 Dec 2010 07:27:28 -0600
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
My large Mocal (Lamoniva) oil to water exchanger drops my oil temps a maximum of 43F. At this oil delta T it raises my coolant temps 16F. Mark S. is running a smaller Mocal in series with a oil to air cooler. I think he measured a 20-25F in oil delta T. It's about half the size of mine.
 
I found the best position of the O/W exchanger was right before the engine inlet after all the water had passed through the radiator.
 
 
Bobby


From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Kelly Troyer
Sent: Monday, December 13, 2010 2:24 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Fw: Water temps

Group,
   CosyGirrrls still unable to post...................
----- Forwarded Message ----
From: "CozyGirrrl@aol.com" <CozyGirrrl@aol.com>
To: keltro@att.net
Sent: Mon, December 13, 2010 12:13:22 AM
Subject: Water temps

"Cooled high pressure water"
Anybody have data on the temp of "cool" water exiting the radiator? -vs- temp of water entering the radiator?
How much a change in water radiator size would be appropriate when switching to a oil/water cooler to compensate for the added heat load on the radiator?
...Chrissi
 
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