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Re: Campbell's even crazier than a MANIAC? (archeopteryx



Endurance flight can be achieved without having to sustain aerobic capacity for the entire duration of the flight, or for even a more than miniscule fraction of it. Flap-gliding that alternates between soaring and anaerobic burst flapping will also suffice if the interim between anaerobic bursts is long enough to allow recovery. The same technique can be used with short aerobic bursts in animals that do not have sufficient aerobic capacity to flap full time. This technique is suitable for flights of 500-1000 kilometers/day.

JimC

----- Original Message ----- From: <dinoboygraphics@aol.com>
To: <mhabib5@jhmi.edu>; <dinosaur@usc.edu>
Sent: Friday, September 26, 2008 11:35 AM
Subject: Re: Campbell's even crazier than a MANIAC? (archeopteryx



Mike knows this but it's worth noting that power output is not the only limiting factor on distance flight. Aerobic capacity must be sustained for the duration as well, and it would probably behoove us to spend more time on when the aerobica capacity for sustained edurance flight showed up rather than
if the muscle power and lever arms were in place (flight itself it likely to have preceeded the capacity to fly across time zones...).