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Re: Ignition switch ground

Posted: Sat Apr 12, 2014 11:54 pm
by DaveF
interstellardust wrote:It seems to me that either method depends on having the mag case grounded to the crankcase through the mag attachment bolts, then around the ...
With apologies to the horse, that's not true. Using the shield as the grounding path eliminates the need for any airframe electrical connection. It would work in a plastic or wooden airplane. I see no reason to rely on the airframe for magneto switch operation.