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Bill, there is merit to both approaches. In
my case, I could not foresee a mode in which the oil cooler
would fail (other than me hitting an hard object - in which case the
condition of the engine would be a much lesser priority) that would dump metal
into the engine. Now, if you pick up an oil cooler and stick it on without
checking/cleaning it to make certain it does not contain metal particles then
you are running a risk in this case.
However, my view was that if a seal or
bearing in the engine went to pieces (a more likely situation) , then
without the filter before the oil cooler both the engine and the cooler would
then have metal in them. Nothing you can do about the engine in
either case, but you might save the cooler.
Just my viewpoint of course. I guess ideally,
you could have a filter before the cooler and after the cooler - but then you
are making the oil pump work harder and perhaps wear and fail sooner.
Besides, I have yet to hear of anyone flying a rotary that ran into any problem
with the stock Mazda RX7 oil cooler.
Ed
Ed Anderson
RV-6A N494BW Rotary Powered
Matthews, NC
----- Original Message -----
Sent: Friday, July 02, 2004 11:11
AM
Subject: [FlyRotary] Re: remote oil
adapter
Al,
I have heard two different theories on oil cooer/filter locations. Some
propose going through the cooler first, to make sure nothing in the cooler
comes into the engine, and others (you included) advocate filtering before the
cooler. I am confused -- Tracy/Ed, what did you do? Others?
Bill Schertz
KIS Cruiser # 4045
----- Original Message -----
From: Al Gietzen
Gee; Kevin, thanks
a lot. How could you forget where such a beautiful piece of work came
from?
It is not an oil
filter adapter, it is a filter bypass block; which means that it replaces the
filter attachment block on the engine so you came put an adapter and larger
filter somewhere upstream. It is good to put the filter upstream from the
cooler to reduce possible sludge buildup in the cooler (assuming we should be
so lucky to fly our planes long enough for this to happen). I got a remote
dual filter mount from Racing Beat, but Earl’s sells the same thing. It comes
in either dual or single filter.
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