Today's Message Index:
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1. 03:51 AM - Re: Rotax 912 UL Oil Analysis (Thom Riddle)
2. 09:07 AM - Re: Rotax 912 UL Oil Analysis (rampil)
3. 07:50 PM - Re: Rotax 912 UL Oil Analysis (Roger Lee)
Message 1
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| Subject: | Re: Rotax 912 UL Oil Analysis |
Hugh,
The primary value of a the regular oil analysis is in comparing the current to
previous ones. Generally, oil analyses are done at every (or every other) oil
change. Assuming your engine is currently in excellent shape and there is no reason
to doubt that with the care you are giving it, once you have a baseline
analysis, comparison with subsequent analyses by the same lab preferably will
enable you to see if a particular metal content is getting much greater. With
this information and knowing what various parts of the engine are made of, will
help you anticipate potential problems and identify their source before they
become a flight risk.
So for your first analysis, the absolute values are not particularly informative
unless you know the "normal range" of similar engines. This is the value of
having it done by a lab that knows Rotax engines and can give you the normal ranges
for your engine type.
--------
Thom Riddle
Buffalo, NY
http://riddletr.googlepages.com/sportpilot-cfi
http://riddletr.googlepages.com/a%26pmechanix
A complex system that works is invariably found to have evolved from a simple system
that works.
- John Gaule
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Message 2
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| Subject: | Re: Rotax 912 UL Oil Analysis |
Hugh,
Can you tell us what lab you sent your oil sample to, so that we may
avoid that one.
They did not happen to tell you that they knew what to do about
Rotax four strokes did they?
Different labs usually draw up their own calibrations and normal range
curves, but perhaps Kev might have insight on what the factory
considers OK?
Ira
--------
Ira N224XS
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http://forums.matronics.com/viewtopic.php?p=254124#254124
Message 3
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| Subject: | Re: Rotax 912 UL Oil Analysis |
The one I posted has a long history with Rotax. Lockwood uses them. You will always
have some findings in any oil sample from any engine. If you get one back
for a Rotax that says within "normal limits" then there really isn't anything
to report. They will also want to compare at least two samples for your specific
engine so you need to send another one at the 50 hr. oil change.
--------
Roger Lee
Tucson, Az.
Light Sport Repairman - Maintenance Rated
Rotax Service Center
520-574-1080
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http://forums.matronics.com/viewtopic.php?p=254251#254251
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