First, we must understand the basic principles of flight before any different configurations of lift surfaces can be discussed. In order for any object to gain lift, it must have a force pushing it upwards which is greater than its weight. This force, called lift, results from the differing pressures on the upper and lower surfaces of the wing. The air that hits the leading edge of the wing separates. Part goes over the wing, and part travels underneath it. The top of the wing curves, or is cambered, causing the air passing over the top of the wing to go faster than the air passing under the wing. The lower surface of the wing is relatively flat, so air travels at, or near, its normal speed. Bernoulli's Law says that as the speed of gas or fluid increases its pressure decreases (Pappas 2).

Therefore, there is a greater air pressure under the wing

Rollo, Vera Foster, PhD. Burt Rutan: Reinventing the Airplane. Lanham, MD: Maryland Historical Press. 1991.

Wooldridge, E. T. "Flying Wing." pp 58-64. Aviation Heritage. November, 1991. The Design of the Aeroplane

Way to Fly." pp 58-64. Popular Science. February, 1989.

Schefter, Jim. "Hot New Shapes--Passenger Planes That Will Revolutionize Aviation." pp. 74-77, 143. Popular Science. June, 1984.

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Approximate Word count = 2715
Approximate Pages = 11 (250 words per page double spaced)