Flaps and ailerons on sea plane

by Mark
(Colorado Springs,CO)

I have a sea plane and need more lift to get it out of the water, so I changed the ailerons on the trailing edge of the wing to move like the elevators on the tail; up and down. So now I have the elavators up and the ailerons up. Will this work and give me more lift or will it fail in a crash?

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Flaps and ailerons on sea plane

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Jul 23, 2009
 Re: Flaps and ailerons on sea plane
by: Pete

Hi Mark,
No, it won't work like that. Flaps have to move down, not up, and only about 10% deflection of them positively generates extra lift without causing extra drag. What you've done is to create 'spoilers' and they are the last thing you want - spoilers are used to destroy lift on a plane that's coming in to land.
If your radio lets you mix ailerons with flaps to create 'flaperons' then that's what you can do, and try taking off with 10% flap deflection.
Otherwise you'll just have to go back to normal aileron and elevator set up and look at getting a more powerful motor / battery combo, or maybe the weight of the plane can be reduced somehow.
Which exact plane is it, is it RTF or did you build it?

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