Mailing List flyrotary@lancaironline.net Message #47806
From: Bobby J. Hughes <bhughes@qnsi.net>
Subject: RE: [FlyRotary] Re: back in the air
Date: Wed, 19 Aug 2009 09:24:40 -0600
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Monty,
 
If your coolant temp is limited with good oil temps then placing the oil to water exchanger between two radiators may be the best solution. If your oil temp limited with good water temps then placing the oil to water changer after the last radiator before the engine inlet should work best. I have testing my both ways.
 
Bobby


From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of MONTY ROBERTS
Sent: Wednesday, August 19, 2009 7:59 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: back in the air

Mike,
 
Great to hear you are flying again.
 
I don't know if you have seen some of the new water/oil heat exchangers?. They mount in the tank of the water radiator. The preferred installation would be a dual pass water rad where the front tank is divided. The water flows through 1/2 of the radiator and gets cooled off. Then it flows through the end tank past the oil cooler picking up heat. Then it flows back through the second half of the radiator and gets cooled off again and finally gets returned to the engine. This solves the "which hose do I put the oil cooler in" dilemma. It also can greatly simplify the ductwork and make the radiator more efficient. If you are thinking about re-doing your cowl, it might solve some of your problems.
 
Monty
----- Original Message -----
From: Mike Wills
Sent: Wednesday, August 19, 2009 12:01 AM
Subject: [FlyRotary] back in the air

Finally. I'm confident that the reseat of the B controller chip solved my problem with spontaneous loss of data. I flew for 1.5 hours last friday. Engine running great and staying cool. Minor issues with the radio, landing gear shimmy on the landing, and still dont have the rudder trim right. But getting closer. Hope to get serious now about getting this thing working now that summer (and the soaring season) are winding down. Too many hobbies.
 
Mike Wills
RV-4 N144MW



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