912ULS oil and hose change
in General Tech Discussion
6 years ago
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Re: 912ULS oil and hose change
by Ken Ryan » 6 years ago
Roger, would you please post pictures of the inside of the oil tank? It would be very interesting to see what a new one looks like, after 100 hours using LL. Thanks in advance!
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Re: 912ULS oil and hose change
by Garrett Wysocki » 6 years ago
Roger Lee lead video
https://www.youtube.com/watch?v=gxUWvlAPYZk
Thank you said by: Bill Hertzel
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Re: 912ULS oil and hose change
by Ken Ryan » 6 years ago
Garrett, yes that video is good for showing what the stuff looks like. But I am interested in pics from Roger because he has a brand new tank that has been run on 100LL for 100 hours. I would be very interested to see how much sludge has accumulated in that amount of time.
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Re: 912ULS oil and hose change
by Bill Hertzel » 6 years ago
The Rotax recommended Oil Change interval when using 100LL is 50 Hours.
Most people change it at 25 Hours.
I am not sure you will be able to find an example of 100 hours of sludge unless you do it yourself.
Intentionally running for 100 hours on 100LL would be a case of engine abuse. :ohmy:
Bill Hertzel
Rotax 912is
North Ridgeville, OH, USA
Clicking the "Thank You" is Always Appreciated by Everyone.
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Re: 912ULS oil and hose change
by Ken Ryan » 6 years ago
Bill, not sure what your point is.
Previous poster said, "I have a rotax 912uls and it has 100 hours since new on it. I use 100 percent 100LL."
That would show us what the accumulation in the tank is over the course of 100 hours, which is exactly what I would like to see, as that might provide actual insight into how often the tank needs to be cleaned out if using 100% low lead.
Such information would also allow for a comparison if someone were able to conduct the same procedure using a mix, for example 1/3 aviation, 2/3 auto, which is what I plan to use.
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