Reply to "Back Spin"

Brilliant Mind10+ posts

Determining that spin over the top (rotation away from impact) vs spin top of ball rearwards to the impact is fret with problems. There are too many related issues of ball aerodynamics, physics and conditions of weather (barometric for one; time of day another). I am speaking of maximum distance, of course.

The hooking HR from a RHB down the LF line is topspun. Or at least topspun at some time in its travel. The CF HR on a high 100 mph fastball, underspun to the slightest. It would not reach 450' if driving itself downward with reduced lift.

What were the forces actng on the drag-lift of that particular ball (damaged by the impact) and its seams? Was the night air typically moistured, the day air humidless? Was the ball up or downwind and with what spin?

5/24/083:33 AM

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