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                           LycomingEngines-List Digest Archive
                                      ---
                     Total Messages Posted Tue 12/01/09: 2
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Today's Message Index:
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     1. 07:32 AM - Vernatherm stuck open?  (Ralph E. Capen)
     2. 10:10 AM - Re: Vernatherm stuck open?  (Deems Herring)
 
 
 
________________________________  Message 1  _____________________________________


Time: 07:32:45 AM PST US
From: "Ralph E. Capen" <recapen@earthlink.net>
Subject: LycomingEngines-List: Vernatherm stuck open?


Folks,

I think my Vernatherm is stuck in the open position allowing oil to always flow
through the oil cooler.

Here's the basis for my thinking:

In October during some of my flights, I was seeing OAT's of 35 and 40 with corresponding
OilT's of 174 and 179.

In November during one flight I had OAT of 62 and OilT of 177 - I stopped and had
lunch - during the flight home, I had OAT of 65 and OilT of 146.  Yes plenty
of time for it to have warmed up...and no, I didn't change anything on the airplane
during lunch.

All flights after that one have had OAT's in the 50's and 60's with OilT's not
breaking 140.

Your thoughts please... How do I unstick the Vernatherm?  Is it possible that during
lunch that day, my rings seated and my engine finished its break-in process?

Thanks,
Ralph
RV6A N822AR @ N06 46.3 hrs - happy with the CHT's, found something else buggin'
me


________________________________  Message 2  _____________________________________


Time: 10:10:54 AM PST US
From: Deems Herring <dsleepy47@hotmail.com>
Subject: RE: LycomingEngines-List: Vernatherm stuck open?


Actually a vernatherm is in the cooler bypass port so it closes to force oi
l through the cooler and opens to bypass the cooler so an open or leaking v
ernatherm will raise temperatures.

see: http://www.sacskyranch.com/eng18.htm


Deems


> Date: Tue=2C 1 Dec 2009 10:29:49 -0500
> From: recapen@earthlink.net
> To: rv-list@matronics.com=3B lycomingengines-list@matronics.com
> Subject: LycomingEngines-List: Vernatherm stuck open?
> 
thlink.net>
> 
> Folks=2C
> 
> I think my Vernatherm is stuck in the open position allowing oil to alway
s flow through the oil cooler.
 		 	   		  
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