Mailing List flyrotary@lancaironline.net Message #59162
From: Tracy <rwstracy@gmail.com>
Subject: Re: [FlyRotary] Re: Flow paths
Date: Sun, 28 Oct 2012 09:19:09 -0600
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Just one more comment.   Although I completely agree with the recommendations for coolant plumbing you got,  reaching 209 deg F on coolant after 4 minutes of high throttle ground running does not mean anything.   The goal should not be to cool at full throttle under these conditions.

Tracy

Sent from my iPad

On Oct 28, 2012, at 8:35 AM, "Randolph" <randolph7714@comcast.net> wrote:

Thanks for your input guys...
I will remove all that plumbing and block off the 5/8" line observing water temp changes...
 


From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Lehanover@aol.com
Sent: Saturday, October 27, 2012 5:06 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Flow paths

 
Bad idea. That adds pressure to the radiator inlet side, and removes some of the hot water needed to heat the cool side of the block. The outlet in the block can be used to supply a heater core, if cabin heat is needed. The outlet of the core if used, would be plumbed to the outlet tank of the radiator near the return or suction side outlet to the pump. A simple car type cable operated valve can be used to control water flow to the core or cut it off to zero flow.
Lynn E. Hanover
In a message dated 10/27/2012 10:58:30 A.M. Eastern Daylight Time, randolph7714@comcast.net writes:
My radiator has in inlet top and an outlet bottom and on opposite side. The water pump outlet goes to the top radiator and I welded an extra 5/8 hose connector there to receive hot water from what you describe as the midpoint of the flow path. Good idea or bad?
Thanks


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