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Thread: Trim switch activation produces temporary radio static

  1. #1
    Junior Member
    Join Date
    Feb 2013
    Location
    Zachary Louisiana
    Posts
    16

    Default Trim switch activation produces temporary radio static

    I know any motor draws more electricity when it starts up and I suspect this may be normal, but when the trim is activated there is a short burst of static on the radio that disappears as you continue to move the trim. Id appreciate any ideas. May be the connections just need to be cleaned up at the motor. Thanks.

  2. #2
    Member
    Join Date
    Dec 2019
    Location
    Glendale, AZ
    Posts
    92

    Default Re: Trim switch activation produces temporary radio static

    Quote Originally Posted by Lloyd View Post
    I know any motor draws more electricity when it starts up and I suspect this may be normal, but when the trim is activated there is a short burst of static on the radio that disappears as you continue to move the trim. Id appreciate any ideas. May be the connections just need to be cleaned up at the motor. Thanks.

    I noticed the same on my FX-3 last time I flew it. I suspect it's caused by relay contact bounce. You could probably suppress it but I doubt it's worth the effort.

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