Scobie Puchtler or Sarah Felstiner wrote:
> There has got to be more to it than just ground or surface effect. Swallows
> use significant anhedral for ANY non flapping glide....... There
> is fairly significant sweep to the wings in this mode.
It maybe to neutralize the dihedral effect of the wing sweep. 3* of wing sweep is
about equal to 1* of dihedral. If the wing is
swept 40* that's an effective dihedral of 13*. If they have 13* of anhedral the two
would cancel each other out.
Rich Border
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