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Attack Angle is the angle of the bat's path, at impact, relative to horizontal. A positive value indicates swinging up, and a negative value indicates swinging down, where zero is perfectly level.
Bat Speed is the observed speed of the sweet spot of the bat at impact. The sweet spot of the bat is measured six inches from the tip of the bat.
Blast Factor is a convenient measuring stick for tracking your overall improvement and it's a fun way to compare your swing to professionals, other teammates, or friends.
In a baseball swing, the resultant Bat Speed is a combination of both body and bat rotations.
The On Plane metric measures the percentage of your swing that the sweet spot of the bat is considered to be On Plane.
Peak Hand Speed is the observed maximum speed as measured on the handle of the bat (measured six inches from the knob of the bat).
The average Power generated during the swing is found from the effective mass of the bat, the Bat Speed at impact, and the average acceleration during the downswing.
Time to Contact is the elapsed time between start of downswing and impact.
Vertical Bat Angle is the angle of the bat with respect to horizontal at the moment of impact.