Q:

AILERON:
Is it possible to make keyframe animated ailerons? My problem is that the ailerons are at angles which cause fs to make the ailerons move in ridiculous directions when it's exported (r_aileron) 
Hope someone can help me! 

A: 

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Well, I guess they are not pivoting around the axis you expect them to do. Gmax allows to modify the pivot axis, you can find that under hierarchy. In the gmax references you can read how to use it.
Kind regards and succes
Luc