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Thread: NX air filter escape

  1. #1
    Junior Member
    Join Date
    Aug 2017
    Location
    Bodega Bay/Truckee CA
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    9

    Default NX air filter escape

    I've had my foam air filter depart the aircraft a handful of times on runup. Usually able to retrieve it from the grass and clean it, but not ideal and not a pro look to be searching for aircraft parts in the runup zone. I modified my procedure to slower throttle movements and this seems to have had no effect. For now I've safety-wired the foam to the wire mesh backing, but it looks pretty terrible. Any solutions out there?

    Ben

  2. #2
    Senior Member Andy's Avatar
    Join Date
    Dec 2019
    Location
    Glendale, AZ
    Posts
    793

    Default Re: NX air filter escape

    Quote Originally Posted by stretch View Post
    I've had my foam air filter depart the aircraft a handful of times on runup. Usually able to retrieve it from the grass and clean it, but not ideal and not a pro look to be searching for aircraft parts in the runup zone. I modified my procedure to slower throttle movements and this seems to have had no effect. For now I've safety-wired the foam to the wire mesh backing, but it looks pretty terrible. Any solutions out there?
    At one time CubCrafters was cutting foam filters by hand and not making a very good job of getting the shape and size correct. If yours is hand cut then, maybe, a new filter would work better.

    Don't know why it would come out during run-up though. Prop wash should be pushing it into the housing. I changed my FX-3 filter because I could see that dirt could get past the edges.

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