[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]


Tim Williams wrote:

> But for improved maneuverability to be the major selective advantage behind
> the development of the primordial wing, a *slower* airspeed would be better,
> wouldn't it?  The aim is not so much to travel a long distance but to land
> with greater precision - i.e. for the theropod to land upright on top of the
> prey, rather than to land on its fanny with the intended prey laughing its
> little head off.
> In other words, for both lift *and* maneuverability to be selected for,
> wouldn't you expect to see (1) feathers along the inner wing to meet the
> torso (to provide a continuous lift surface across the body, a la modern
> gliders); and (2) feathers along the outer wing (the wing-tip) to provide
> maximal leverage against the air (to provide optimal orientational
> stability).

Are these aerodynamic adaptations you are referring to, able to attain superior
efficiency in regards to true powered flight than the design of pterosaur wings
(which lack integument specifically evolved for aerodynamics)?