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Thread: Magneto starting

  1. #1

    Magneto starting

    Some aircraft with two magnetos only start on one magneto.
    How is the second magneto removed from the circuit? Is it
    done at the ignition switch?

    Jan Zumwalt - EAA #66327

  2. #2
    FlyingRon's Avatar
    Join Date
    Aug 2011
    NC26 (Catawba, NC)
    It depends on the airplane. Often, the ignition switch grounds out the magneto that doesn't have the impulse coupling when you turn the switch to START. In others, like my plane used to have, the mag switch is distinct from the starter, so I put it on L before pushing the starter switch.

  3. #3
    Auburntsts's Avatar
    Join Date
    Jul 2011
    Dumfries, VA
    My ignition is setup like in Ron's plane--the mags are controlled separately from the starter but in my case the starting Mag (the left one) is a retard breaker with a starter vibrator (SlickStart) vs an impulse coupler.
    Last edited by Auburntsts; 02-25-2017 at 03:56 PM.
    Todd Stovall
    PP ASEL - IA
    RV-10 N728TT - Flying
    My builder's log (which is woefully out of date):

  4. #4
    Thanks for the help folks
    Last edited by jwzumwalt; 02-25-2017 at 02:44 PM.
    Jan Zumwalt - EAA #66327

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