Airfoil Quotes

Gliders, sail planes, they're wonderful flying machines. It's the closest you can come to being a bird.

When the weight of the paper equals the weight of the airplane, only then you can go flying.

In my opinion, we should search for a completely different flying machine, based on other flying principles.

I believe that simple flight at least is possible to man and that the experiments and investigations of a large number of independent workers will result in the accumulation of information, knowledge, and skill which will finally lead to accomplished flight.

The airplane stays up because it doesn't have the time to fall.

A bumblebee can't fly. He's aerodynamically unsound. But he doesn't know that.

To fly we have to have resistance.

Aerodynamics is mathematics for those who haven't learned to do calculus. In my case, too, for one who hasn't learned to add or multiply, at least the first time.

I am an enthusiast, but not a crank in the sense that I have some pet theories as to the proper construction of a flying machine. I wish to avail myself of all that is already known and then, if possible, add my mite to help on the future worker who will attain final success.