Mailing List flyrotary@lancaironline.net Message #9932
From: Dale Rogers <rogersda@cox.net>
Subject: [FlyRotary] Re: Oil thermostat
Date: Tue, 20 Jul 2004 18:15:43 -0400
To: Rotary motors in aircraft <flyrotary@lancaironline.net>, Rotary motors in aircraft <flyrotary@lancaironline.net>
------ Original message:
From: "Steve Brooks" <steve@tsisp.com>
Date: 2004/07/20 Tue PM 12:33:36 EDT
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: [FlyRotary] Re: Oil thermostat

IS everyone using this thermostat, or is there a way to bypass it. My oil
temperature has been running pretty high, and I have not noticed any point
where the temperature levels out for a time, like when a thermostat opens.
I wonder if mine is working correctly.

Steve,

  The question is "why would you want to?"  Seriously, and I think it's been mentioned recently, if it's working correctly, the oil thermostat _shunts_ oil to bypass the cooler, so that the oil doesn't get cooled until it reaches a minimum temperature (160*F?).  Unless your thermostat is stuck, such that oil always goes through your cooler, your symptom isn't a good reason to disable it.   One alternative to the thermostat would be controlling the airflow through the cooler with a butterfly valve - controlling either the inflow OR the out.

Dale R.
COZY MkIV #1254


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