Angle of incidence for wing respect to taiplane?

Discussion in 'RC Aircraft & Watercraft' started by B.karthik, Sep 2, 2009.

  1. B.karthik

    B.karthik New Member

    I have a problem with providing positive angle of attack for wing with respect to tailplane.
    1.which one is correct?what is the difference in both diagrams?which one should i follow for constructing?

    Attached Files:

  2. el Leon

    el Leon New Member

    positive angle

    In both diagrams you have an positive angle.:rolleyes:
    In both cases are exaggerated.
    6º and 8º...

    Attached Files:

  3. ErnieG

    ErnieG New Member

    Wing and H. Stab angles

    Your question can not be answered with only the information provided, but basic aerodynamic stability is accomplished by having the wing have a slightly positive angle of attack or angle of attack that creates lift making the plane want to climb AND the H. Stab having a slightly negative angle of attack that attempts to cancel the climbing moment.

    The larger these two angles the more stable the pitch moment will be and the more control surface throw you will need to create a change in pitch.

    The closer to zero deg. These angles are the more unstable the plane, but it will have higher maneuverability.

    Modern jet fighters have no inherent stability created by offsetting the forces of the wing and tail plane, but achieve their stability through their computerized controls that create “artificial stability”.

    The angles of attack for the wing do now have to be anywhere as high as in your diagrams.

    There is a good resource on model design at the following url.

    Look towards the bottom to the articles on Precision Pattern Design.

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