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Old Dec 02, 2012, 06:35 PM
Odysis is offline
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Life begins at transition
Australia, VIC, Sale
Joined May 2007
3,593 Posts
I know you don't like graphs, but...


The airflow on top and bottom are both trying to move the leading edge in the same direction - very rarely do they cancel out.

Because the centre of pressure (or lift) of that little wing section is in front of the hinge line, it will always be unstable. Your servo then has to do the heavy lifting. In constrast, TE flaps are stable.

Imagine if you will, putting the taileron hinge on the trailing edge. That's what the LE flap is...
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