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04-27-2009 | 11:59 PM

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WestCoastFlyer

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From: No City,

RE: Does a flat wing always need ailerons?

Quote:

ORIGINAL: shd3920

I am going to be building a scratch build soon and would like to know. I am designing a top wing trainer where the wing panels are going to slide into the fuselage. In doing this the wings are going to be straight (no dihedral), which I guess makes it a sport trainer.

Question is, because it is a wing with no dihedral, does it need to have ailerons? I heard that these type planes do not have the same rudder control as a plane with a dihedral. Is this true? If it has the same rudder control can I get by without ailerons?

Great question. Trainers with dihedral bank big time with rudder only. Those exact same trainers need a lot of aileron to bank.

Your scratch build, with high lift straight wings needs ailerons to fly decently IMO.

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