Re: WING FEATHER ATTACHMENT

["James R. Cunningham" <jrccea@bellsouth.net>]

I don't remember if I responded to this previously.  If I did, please pardon me
for doing it twice.  Jim

Tim Williams wrote:

>  This expanded surface (torso+wings) is able to push
> against a greater volume of air during the descent.

Would you define what you mean by 'push against' please?

> surface (patagium) strung between the fore- and hindlimbs and
> contiguous with the body wall on each side of the body.  Hence, the patagia
> meet the torso to form a single effective gliding surface.

Is it a gliding surface, a parachuting surface, or a vortex generation surface?