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Old 09-04-2018, 01:04 AM
autoglide autoglide is offline
Join Date: Aug 2009
Location: Rockport,TX
Posts: 438
Default High oil temp??

Am “babysitting” a friends 4 for two months
while he works away from home. Plane has a James holy cowl with plenum. All baffling integrity is good. Has cooler behind #4. Oil temp hits 210-215 during climb....then settles at prox 200 f.
What is possible cause ? MB
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Old 09-04-2018, 04:03 AM
Lufthans's Avatar
Lufthans Lufthans is offline
Join Date: Dec 2017
Location: Hilversum, The Netherlands
Posts: 58

So, what seems to be the problem? These temps sound excellent to me.

You don't want your oil temps to go beyond 245F, and ideally have them in the 185 - 210F range in cruise flight. Any cooler and you'll have moisture collecting in the oil, the oil being too thick and therefore less lubrication.

I'd say just fly the plane as it is!
Hans Teijgeler
Hilversum, The Netherlands

Preparing to build a Rocket
PH-BRR Bowers Fly Baby; Imported and upgraded
PH-MGA Jodel DR1050; Built, with Subaru EJ25
PH-SUM RV-4; Imported and upgraded. Sold my share :-(
PH-EIL RV-4; Imported and upgraded for friend. Sadly crashed
PH-ERD Robin DR300; Built with Subaru EZ30 for friend.
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Old 09-04-2018, 04:55 AM
fixnflyguy fixnflyguy is offline
Join Date: Jan 2006
Location: Winston-Salem, N.C.
Posts: 1,018
Default No issue

Pretty normal readings..mine hovers in that range during hot summer months in the Carolinas. I have a hard time getting to 200 in cooler months, and usually hangs around 180-190. I don't like it any cooler than that.
Bill E.
8A7 / Advance NC
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