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Message
Rusty,
I've
been reading these post with great interest. As luck would have it, I had
started out using Mobile1 5W30 oil, and switched to the 15W50 after I decided
that the 5W30 was too thin.
When I
changed oil, I saw a 10 degree increase in oil temperature. I thought for
a few minutest hat it was due to the oil, but then discounted it and figured
that it was due to something else. I was making allot of changes at that
time.
Maybe
I need to go back to the 5W30.
Steve
Brooks (getting pretty soggy)
5W30 seems a bit low.
>
>
I was thinking the
same thing. Leon, will an
extremely light oil be able to keep the
seperation
between the bearings and shaft? On the other hand,
will
it 'wet' the walls of the cooler better and
thereby transfer heat more
efficiently?
Since when it 30
weight oil is "extremely light"? You might call it extremely
standard, or extremely normal :-) As I understand it, the first number
is the cold rating, which is just for cold starting, so it doesn't have any
effect on normal operation.
BTW, I made about 3
trips around the airport (on the ground of course), and just made it to 140
degrees. I'm convinced it's cooling much better with the lighter (though
not extremely light <g>) oil. Can't wait to fly it, but next
Sunday is the earliest possible opportunity, and probably more like the next
weekend.
Rusty (Airbike project
for sale cheap on eBay now, gotta make room in the garage)
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