2 wheels vs 1 wheel in a linear shooter

[Ether]

Originally Posted by boarder3512

why is it that the maximum exit velocity of the frisbee will theoretically be one half that of the tangential velocity of the wheel?

Think of a car traveling down the highway at 60 mph.

The geometrical center of each tire is traveling at 60 mph.

At any instant in time, the bottom of each tire is traveling at 0 mph, and the top of each tire is traveling at 120 mph.

It's the same with the frisbee.