"AES" wrote in message
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So, how does a frisbee fly, anyway? Another of his favorites is just a
10" diameter weighted outer rim filled in with a slightly saggy "cloth
drumhead", which visibly bulges upward 1" or so at the center into a
fair imitation of an airfoil when you throw it. I've always figured the
heavy rim kept the thing spinning and thus semi-rigid, and the forward
motion of the airfoil shape gave the lift.

I'm a proponent of the Bernoulli theory (Stand by with flame deflectors). I
agree with the metal mass providing fly wheel effect and the airfoil for
lift. I'll add to that my theory that gyroscopic precession makes it tilt so
the lift vector turns it. Try changing from backhand to forehand to change
the direction of rotation.

One small quibble with your post. Frisbee is a brand name and deserves
trademark recognition. That is to say, while Frisbee makes a flying disc,
not all flying discs are Frisbees. If it don't say Frisbee on the gizzie, it
ain't.