Play prolate spheroid game ball

摘要

The game ball is a prolate spheroid ball like an American football. It is of smaller size and lighter weight to be used by young people. The ball is characterized by a straight unobstructed cylindrical hole through the center. In one embodiment fins are provided on the outside to spin the ball. The fins are at an angle of 13 to 22 degrees to the ball's longitudinal axis and may be adjustable. In another embodiment, the ball may have axial or spiral holes therethrough radially outward from the center hole.