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The simple art of Kan Jam or any other frisbee related game seems skills based, but it may help to have knowledge on the physics of the flight as well. The first aspect of a frisbee is the design. Most frisbees are relatively thin with curved edges, which make it more aerodynamic, creating lift while in flight. Similarly to cars, the curved shape at the front of the frisbee allows for air to pass over the frisbee faster than air passing under it, making the air above the frisbee at a lower pressure than the air below the frisbee (aka lift). Also, it is obviously important to make the frisbee spin in the air in order to create stability by increasing angular momentum that the simple force of air resistance has a hard time overcoming. Therefore, the more spin you put into your throw, the more stable its flight will be. This is perhaps the most useful piece of information as newcomers to Kan Jam often toss the frisbee gently, which only results in the frisbee sliding to one side or the other. 

In ultimate frisbee, there is a "kickoff" type of event in which one team tosses the disk as far as possible (or so it seems). On a single throw for distance, it would appear to be extremely beneficial to try to optimize the launch angle in order to provide a proper amount of lift without too much drag, but also achieve a sustained projectile motion flight with a large x component. 

Here's some frisbee trick shots for fun



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