[aerohead]

Originally Posted by lunarhighway

Serrated trailing edges for improving lift and drag characteristics of lifting surfaces - Patent 5088665

i'll have yet to read this trough very carefully but this looks very much like what i mean!

It appears that he uses them ahead of the wing,as with a Fieseler Storch,after the wing,but ahead of the flap,and also at the end of the flap on wings chopped at up to 20% of the cross-section for the flap.No performance claims are listed.