Difference between revisions of "Positive axis point(PAP)"
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| − | + | [[Image:Positve_vs_Negative.png|thumb|right|180px|Fig. 1 - Positive and Negative sides of the ball]] | |
| + | [[Image:Positive_Axis_Point_(PAP).png|thumb|right|180px|Fig. 2 - Positive Axis Point (PAP) for a right hander]] | ||
| − | The positive axis point is usually expressed as a pair of numbers, showing the relative offset from the Center of Grip, e.g. 4.5" over, 1.25" up, or 4 1/2" x 1 1/4" up, as seen in | + | A point on the surface of the ball that is the end of the bowlers axis of rotation, on the positive side of the ball. Fig. 1 shows the Grip Centerline, the Grip Midline and Positive and Negative sides of the ball, for a right hander. Left handers would be a mirror image of the one seen in Fig. 1. |
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| + | The positive axis point is usually expressed as a pair of numbers, showing the relative offset from the Center of Grip, e.g. 4.5" over, 1.25" up, or 4 1/2" x 1 1/4" up, as seen in Fig. 2. The first number represents the horizontal offset along the Grip Midline, while the second number represents the vertical offset along the Vertical Axis Line. | ||
Revision as of 15:50, 8 November 2010
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A point on the surface of the ball that is the end of the bowlers axis of rotation, on the positive side of the ball. Fig. 1 shows the Grip Centerline, the Grip Midline and Positive and Negative sides of the ball, for a right hander. Left handers would be a mirror image of the one seen in Fig. 1.
The positive axis point is usually expressed as a pair of numbers, showing the relative offset from the Center of Grip, e.g. 4.5" over, 1.25" up, or 4 1/2" x 1 1/4" up, as seen in Fig. 2. The first number represents the horizontal offset along the Grip Midline, while the second number represents the vertical offset along the Vertical Axis Line.
