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Vacuum pulse line for petcock

in 2 Stroke Technical Questions 5 years ago

  • Re: Vacuum pulse line for petcock

    by » 5 years ago

    Keep it simple!!

    If your vacuum line ever develops a leak in flight or anything goes wrong, the fuel gets shut OFF and down you go.

    Anything that has a failure mode that Shuts OFF the Fuel is a Bad Idea.

    This may have been a good idea for use on leaky vintage motorcycles but it is a BAD idea for an aircraft.

    This is just an accident waiting to happen.

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

      
    Report

  • Re: Vacuum pulse line for petcock

    by » 5 years ago

    Bill Hertzel wrote:

    Keep it simple!!

    If your vacuum line ever develops a leak in flight or anything goes wrong, the fuel gets shut OFF and down you go.

    Anything that has a failure mode that Shuts OFF the Fuel is a Bad Idea.

    This may have been a good idea for use on leaky vintage motorcycles but it is a BAD idea for an aircraft.

    This is just an accident waiting to happen.

    The engine is installed in a dune buggy so the risk of a fuel cut off isnt problematic.

      
    Report
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