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propeller keeping run with ignition off

in 912iS Technical Questions 9 years ago
HI,
When we turn off LanA and LaneB,Push the start button,propeller runing,turn off all of switches,It can't stop the propeller.I think it's e-starter let propeller runing.So we turn on all of the switches,start the engine. turn off the laneB and LaneA to stop the propeller.

  • Re: propeller keeping run with ignition off

    by » 9 years ago

    Below is our wiring diagram,Master switch behind the start relais.


    But if we connect the E-starter follow the installation manual like below diagram,we can’t findout any master switch can support 60amps for the E-Starter ,do u have any suggestion for the master switch？
    Also，I think the AWG 04 wire from the master switch to the E-starter ,will go through the instrument panel,all the instrument are mounting in the panel ,is that will be danger for the instrument or people? If u have any suggestion for select master switch and the master switch location ，and how to run the AWG 04 wire from Master switch to Start Relais.thanks.

    rotax2.png (You do not have access to download this file.)
    rotax1.png (You do not have access to download this file.)
      
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  • Re: propeller keeping run with ignition off

    by » 9 years ago

    looking at your diagrams I see you are missing a master solenoid. It is impractical to route the starter current through a
    switch capable of handling the starter current due to the size switch required. A common solution in light planes is to use a starter solenoid from the automotive industry. The master switch controls the master solenoid. The input terminal of the solenoid is connected to the battery and the output side of the solenoid is connected to the starter solenoid input and to the main power buss. Solenoids are available at most aircraft supply businesses.
      
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  • Re: propeller keeping run with ignition off

    by » 9 years ago

    find attached a typical master solenoid installation
    scan0006.pdf (You do not have access to download this file.)
    Thank you said by: stephen gong
      
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  • Re: propeller keeping run with ignition off

    by » 9 years ago

    hi richard,
    Thanks your reply,we missing the master relaies.



    Is this diagram?
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