Curve Ball Thrower

PIRA 2C20.60

Image:

Description:

A curve ball thrower lined with sand paper will put a spin on a ball. Due to this spin, the air around the ball will exert a force on it perpendicular to the axis of rotation. The ball will be forced off the straight line trajectory.

Recipe and
Location:

Video:

Streaming Video:

Curve Ball

Notes:

None at this time.