REFLECTOR: vernatherm

[Michael Watson]

I do not know if this picture will go through but it is attached.  Picture
of Plenum.

John,

It's been years since I replaced the spring, but If I remember correctly,
the oil temps dropped ~ 10 F.
on climb and 15 F in cruise.


On Thu, Nov 17, 2011 at 3:33 PM, Grover McNair <grover at mcnairperformance.com
> wrote:

> ** **
>
> Thanks for the response. I responded to Brian’s letter explaining where I
> am measuring the oil temp. My bypass valve has a fitting on the side that
> feeds a line going to the flywheel housing. I plumbed the oil temp into
> that line. I believe I am reading oil temperature coming out of the engine.
> If your oil is going in at 215-220 , I wonder what it is coming out at? It
> appears I need to change the location of the oil temp sensor. I definitely
> want to try the stiffer spring. Brian said he had one so I asked him to
> contact me.****
>
> I like the idea of splitting the cold air. Do you have any pictures of
> your plenum and how you blocked off the base of the cylinders?****
>
> Thanks for sending the PZL drawings.****
>
> Grover****
>  ------------------------------
>
> *From:* reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] *On
> Behalf Of *Michael Watson
> *Sent:* Thursday, November 17, 2011 2:39 PM
>
> *To:* Velocity Aircraft Owners and Builders list
> *Subject:* Re: REFLECTOR: vernatherm****
>
>  ** **
>
> Grover,
>
> You still haven't said where you are measuring the oil temp. As PZL memo
> states, you
> should be measuring it at point 7.1, just before the oil return to the
> engine.  I modified my
> plenum by splitting it in two and sealing the base of the cylinders. Now,
> in ****Florida****'s heat,
> I can take of and climb to 5000 ft with CHT's remaining below 390 F. and
> oil temps hovering
> between 215 and 220 F. Attached is a PZL bulletin of what Brian is saying.
>
>
> ****
>
> On Wed, Nov 16, 2011 at 3:32 PM, Grover McNair <
> grover at mcnairperformance.com> wrote:****
>
> The franklin engine I have in my 173LW  is running high oil temp, 245+.
> Having read recent posts, I am planning to install a larger oil cooler with
> a vernatherm. I would appreciate comments from those who have done this. Is
> there a modification necessary for the factory oil bypass valve? ****
>
> Grover McNair****
>
> N832AB****
>
>
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>
>
>
>
> --
> Mike W.
> 1997 Velocity Elite RG
> Franklin /IVO Electric CS
> Dual GRT EFIS HX Synthetic Vision****
>
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-- 
Mike W.
1997 Velocity Elite RG
Franklin /IVO Electric CS
Dual GRT EFIS HX Synthetic Vision
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