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Re: More on Argentavis




----- Original Message ----- From: <gerarus@westnet.com.au>
To: <marksabercat@yahoo.com>
Cc: <dinosaur@usc.edu>
Sent: Tuesday, July 03, 2007 9:07 PM
Subject: Re: More on Argentavis



(it is not entirely
incorrect to say it becomes more like swimming than flying). This is
also why insects have flat wings rather than aerofoils.

Note that many insects, dragonflies for instance do have rather effective aerofoils. The veins are oriented to force the airfoil shape under load.