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Thread: Drooping Ailerons

  1. #1

    Drooping Ailerons

    Fellow Mice Pilots:

    Well I am glad to be back on MM after a long "tax season". During
    March, the Sierra (N6008U) underwent her 2nd Annual since I have
    owned
    her. The IA said that he noticed that when the yoke is in the
    neutral
    position, that both ailerons "drooped" about 3/4 inch from "true
    flush
    with the trailing edge of the wing". He wanted to know if this was
    normal since he felt that it induced drag that cost me 5 or more kph
    and would therefore cost more per hour to fly. N6008U was painted
    several years ago and he speculated that when re-attaching the
    ailerons, they did not get the neutral position exactly right. He
    suggested that I ask you guys about this, where a facility is that
    could correct this and a range of what the solution should/could cost.

    NOTE: The IA that did the first Annual (which was also a pre-buy
    before I purchased N6008U) did not mention the above.

    As always, thanks for your help.

    Gene McPherson
    Magnolia, AR





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  2. #2

    For What It's Worth

    Mine is a 73 Sundowner. It has the same droopy ailerons.

    Dan
    2102W

  3. #3

    Drooping Ailerons

    Sure doesn't sound right to me, Gene. This does indeed need expert attention, and the right books, to fix it properly. I would also have someone hold one side in place while you put gentle pressure (up and down) on the other aileron. If there is any significant relative motion between the two (more than 1/8" to 1/4"), it may mean that your droop is due to something cracked or broken, making the plane unsafe to fly. Another clue to this is if the droop does not seem as great when the plane is in flight; and yet another clue is if there seems to be "play" in the yoke for aileron control. Sometimes you can also hear a cable "slapping" inside the wing while moving the control up and down (with the other side held), if something has failed.

    There is a faint possibility that someone was experimenting with the plane, in an attempt to achieve a lower stall speed or something like that. It is very hard for me to imagine any paint shop screwing this up as badly as 3/4" per side, so I would be very nervous about flying it more, before finding out what is really going on. If you have to get it to someone skilled, I suspect that Bob Steward would be a great choice, if he has time and you can get it to him (or him to you).



    ----- Original Message -----
    From: Gene McPherson
    To: musketeermail@yahoogroups.com
    Sent: Thursday, April 28, 2005 12:21 PM
    Subject: [musketeermail] Drooping Ailerons
    Fellow Mice Pilots:
    Well I am glad to be back on MM after a long "tax season". During March, the Sierra (N6008U) underwent her 2nd Annual since I have owned her. The IA said that he noticed that when the yoke is in the neutral position, that both ailerons "drooped" about 3/4 inch from "true flush with the trailing edge of the wing". He wanted to know if this was normal since he felt that it induced drag that cost me 5 or more kph and would therefore cost more per hour to fly. N6008U was painted several years ago and he speculated that when re-attaching the ailerons, they did not get the neutral position exactly right. He suggested that I ask you guys about this, where a facility is that could correct this and a range of what the solution should/could cost.

    NOTE: The IA that did the first Annual (which was also a pre-buy before I purchased N6008U) did not mention the above.

    As always, thanks for your help.

    Gene McPherson
    Magnolia, AR

    [Non-text portions of this message have been removed]



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    www.beechaeroclub.org


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