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I think you mean the Ailerons. They are on the trailing edges of the wing, and cause the plane to roll.
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Could be Cunards, i think thats how you spell it.
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This rules out Cannards (I think) since the biggest wing is in the back. Leading edge slats seems like the thing he's asking about. I think. Or I guess I think. I have no idea.
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I did. But I still wonder what kind of fin moves up and down. Fins normally are considered to move to the left and right. Flippers normally are considered to move up and down. As do elevators and ailerons.
Even then I still wonder about the front wing statement. Is the op speaking of two wings? One in the front and one in the rear. Would that be a biplane? Or perhaps it is a question about canards, as they do have an up/down movement similar to elevators and ailerons. Maybe I am just a dullard? |
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Occam's Razor..... The simplest explanation is usually the correct one.
With a foreign language as his/her primary and english secondary ("What does it call?"), and without apriori knowledge of an airframe, he/she's describing ailerons. |
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I have known a lot of English speaking people who are unfamiliar with aircraft terminology call the wing and horizontal stabilizer the front wing and the back wing. And they usually refer to all of the control surfaces as those flap thingies. So I do not find it surprising for a person with minimal command of the English language refering to an aileron as a fin that moves up and down on the front wing.
And it might surprise People who are familiar with aircraft terminology and whose primary language is English that they can speak a little bit of French. Aircraft terms such as fuselage, empenage, decalage and aileron are all names for various aircraft parts and configurations that came from the French language. Larry |
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I believe the OP is referring to wing slats, not ailerons. You see them on some large jet passenger aircraft.
They extend out of the leading edge of the wing. They improve what is referred to as the boundary layer airflow over the wing, in essence keeping the air close to the wing tight and giving better lift. See this wiki for a more detailed explanation and more pictures. http://en.wikipedia.org/wiki/Leading_edge_slats I just realized the last time I thought about the physics of slats was about 1974 when I was an airframe apprentice |
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