Mailing List flyrotary@lancaironline.net Message #67931
From: Marc de Piolenc piolenc@archivale.com <flyrotary@lancaironline.net>
Subject: Renesis Oil Cooling Improvement
Date: Fri, 24 Oct 2025 23:46:17 +0000 (UTC)
To: Rotary motors in aircraft <flyrotary@lancaironline.net>

Oil and water are the two media by which the ENGINE is cooled. Improving one (the oil) is going to relieve the other of some of its cooling load, lowering its temperature.

On 10/24/2025 6:00 PM, Rotary motors in aircraft wrote:
  An unintended
 consequence of the lower oil temps, is that I noticed that my water 
temps also dropped by about 10 degrees.  In the past when cruising 
around the temps would settle between 145 and 165 degrees, while today 
it was between 130 and 135 degrees!  So is there a thermo dynamic reason
 why lowering oil temps would also pull down the water side as well?  


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