----[Please read http://ercoupers.com/disclaimer.htm before following any advice in this forum.]----
Thanks Greg, you make a good point. I'm aware of the issue but my
concern relates to the balance between acceptable oil pressure and an
oil temperature that is high enough to vaporize the moisture in the oil.
I'd rather change oil more frequently than damage the engine with
marginal lubrication at the bearings. My temp stabilizes at about 190 in
acceptable ambients for flying but then my pressure is on the low side.
I haven't got the results from my pressure gauge calibration check so I
can confirm that the pressure reading is correct. Of course, I'm hoping
that the gauge is reading low and this will help resolve the issue.
Thanks for your input.
Bill
Greg Bullough wrote:
> One point worth making is that hot is better than cold on oil
> temp, until you hit 'too hot.' That is, if the oil temp stabilizes
> at 190F, regardless of whether that is 100 or 115 or 80 degrees
> hotter than OAT, you're better off than if it's stabilizing at 160.
>
> The question nobody has asked yet (so I will ) is 'does your
> oil temp keep creeping up towards the red-line, or does it
> get to 190 or 200 and become stable?'
>
> 160 is NOT hot enough to vaporize the suspended water in
> the oil, which makes you vulnerable to corrosion. If your
> oil temp is running below 180, you'll need to change your
> oil more often to get rid of that stuff. And perhaps put
> the center inlet winterization plate on to get the temp
> up.
>
> Greg
>
> At 12:38 AM 6/13/01 +0000, Richard Todd wrote:
> >----[Please read http://ercoupers.com/disclaimer.htm before following
> >any
> >advice in this forum.]----
> >
> >Hi Bill, I do most of my flying in the warmer south western states. My
> >C-85 powered Coupe has an oil cooler and it typically runs at 150
> >degrees and rarely exceeds 175. All I can tell you is that they do seem
> >to be effective. My oil pressure always runs between 30 & 35 psi.
> >Unfortunately I wouldn't be able to advise you on where to locate one.
I
> >hope this helps you,
>
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