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Fuel Flow sensor Install

in General Tech Discussion 6 years ago

  • Re: Fuel Flow sensor Install

    by » 6 years ago

    Roger,
    Which "fine filter" do you recommend? Placing the FT-60 before the gascolator means the fuel pressure at the FT-60 entrance in due to the fall from the High wing tanks plus the suction from the fuel pumps on the output side of the FT-60. Correct?
      
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  • Re: Fuel Flow sensor Install

    by » 6 years ago

    Most any fuel filter you would use on an aircraft is fine. The reason to put the filter before the FT60 if to keep debris out that may clog or restrict its flow.
    Something like a 10 micron, but it doesn't have to be exact. Just something before the transducer.

    Roger Lee
    LSRM-A & Rotax Instructor & Rotax IRC
    Tucson, AZ Ryan Airfield (KRYN)
    520-349-7056 Cell

      
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  • Re: Fuel Flow sensor Install

    by » 6 years ago

    Agreed!
    Any filter will do the job.
    The flow meter is a miniature paddle wheel.
    As the fuel flows, the circuitry counts the revolutions. 68,000 per gallon.
    The mechanism is built like a fine watch, so any dirt big enough to see is too big.

    The sensor can measure flow rates approaching 100 gallons/Hour
    Do NOT blow into it to see if it is working.
    A light breath from a foot away will make it spin.
    Most normal individuals can muster a peak breath flow rate exceeding 100 Gallons/Minute!
    Extremely Overspeeding the tiny jeweler's bearings in the sensor.

    As tempting as it is to try... Don't do it!

    Bill Hertzel
    Rotax 912is
    North Ridgeville, OH, USA
    Clicking the "Thank You" is Always Appreciated by Everyone.

      
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  • Re: Fuel Flow sensor Install

    by » 6 years ago

    I have heard that fuel filters with "paper" elements are inappropriate for use with gasoline containing ethanol.
      
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  • Re: Fuel Flow sensor Install

    by » 6 years ago

    True

    Ethanol contains water that cause the filter to clog
      
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