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Re: Combined answer Archaeopteryx running...

Using the Yalden wing, a weight of 250 gm, and at low hag, the glide speed would
be on the loose order of 5.8-6.7 m/s (13-15 mph).  A workable speed for landing,
once the wings and tail are placed in high drag position to slow the beastie
down prior to touchdown.  For other weights, the speed would vary with the
square root of the weight ratio.

David Marjanovic wrote:

> There's even a calculation -- but it only takes into account the weight of
> the tail, not its area, and the assumed wing area is debatable -- that
> Archie would have reached about 12.9 m/s during gliding. The impact would
> _hurt_...