1. According to the book “Frisbee” (ISBN#0-911104-53-4) by Dr. Stancil E.D. Johnson the term Hyzer is the discs angle of roll (Sideways tilt at “whelm”(the disc’s first period of flight)). The Hyzer Angle is named for H.R. “Fling” Hyzer, father of the “Flying Flutterball”.

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