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
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| Subject: | 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
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| Subject: | 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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