On Mon, 25 Feb 2008 09:46:30 -0800, "gatt"
wrote:

Rather, Collins talks briefly about "ground cushion" and how air "piles up"
beneath the wings.

Do people still teach this?

All I can say is, if you rely on that ground cushion to soften the
impact, you will be sorely disappointed.

Blue skies! -- Dan Ford

Claire Chennault and His American Volunteers, 1941-1942
new from HarperCollins www.FlyingTigersBook.com