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Re: Glider questions


dbensen wrote:

> To everybody,
>
>  What is the minimum size that bird wings/tail feathers must be to
> effect lift?

Microscopic.  How much lift? Are we talking steady-state or unsteady lift
mechanisms?  What percentage of the body weight are you specifying that the
wings/tail feathers carry, and at what coefficient of lift?  As an aside,
when the tail is lifting, the drag goes up pretty rapidly.

Jim