On Mon, 3 Oct 2011 17:43:56 +0000 (UTC), Edward A. Falk wrote:

In article , Tom wrote:
On Mon, 3 Oct 2011 12:58:36 -0400, Quaalude wrote:

The reactive force of the hugely powerful downwash sheet, coupled with
the compressibility effects of the tip vortices, simply will not allow
the aircraft to get any lower to the ground than approximately one half
the distance of its wingspan ¡X until speed is drastically reduced,
which, of course, is what happens during normal landings.

You're saying there's a magic cushion that prevents aircraft at cruise
from approaching close to the ground?

No and you damn well know that is a complete distortion of the truth.

snipped remaining lies