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912ULS oil and hose change

in General Tech Discussion 5 years ago

  • Re: 912ULS oil and hose change

    by » 5 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 » 5 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 » 5 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 » 5 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 » 5 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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