Mailing List flyrotary@lancaironline.net Message #9897
From: Al Gietzen <ALVentures@cox.net>
Subject: RE: [FlyRotary] Re: 11th test flight
Date: Mon, 19 Jul 2004 13:56:32 -0700
To: 'Rotary motors in aircraft' <flyrotary@lancaironline.net>

  I used to measure temps of both coolant and oil before and after the coolers and found that I was getting 36F delta T on the coolant and 9F delta T on the oil. I was measuring oil temps at the stock oil filter location (where I put an adapter block) which is after the filter & cooler, and in the sump. So the oil temps in the engine are not out of a safe operating range.

 

Todd;

 

Is that a typo on the oil delta T?  What were the conditions for that data point?  That low a drop suggests that the heat removal equivalent to about 50 hp out of the engine; so it seems something is amiss.

 

Al

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