Significance of Vertical Pap Coordinates

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Urethane Game
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Significance of Vertical Pap Coordinates

Post by Urethane Game »

Could someone please tell me the characteristics of someone with a pap of say 5 over and 1/2 up versus 5 over and 1/2 down in terms of how the ball rolls?

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Re: Significance of Vertical Pap Coordinates

Post by JohnP »

The vertical component doesn't really tell you anything about the ball's roll. The only thing it tells you is that the initial track is closer to the grip centerline at the fingers than it is at the thumb (ie., the initial track is angled toward the fingers instead of away from the fingers). -- JohnP
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Re: Significance of Vertical Pap Coordinates

Post by Urethane Game »

So which is which?

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Re: Significance of Vertical Pap Coordinates

Post by StrikeTheory »

Up is going to angle away from the fingers. Down will typically be closer the fingers than the thumb.
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Re: Significance of Vertical Pap Coordinates

Post by JohnP »

Strike Theory is right, sorry I didn't make that clear. -- JohnP
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Re: Significance of Vertical Pap Coordinates

Post by Mo Pinel »

StrikeTheory wrote:Up is going to angle away from the fingers. Down will typically be closer the fingers than the thumb.

The vertical coordinate has nothing to do with ball motion. It's an anomaly. The longer the thumb stays in the ball, the more the vertical coordinate is up. In full rollers, in which the thumb stays in the ball the longest, the vertical coordinate is usually 2+" up.
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Re: Significance of Vertical Pap Coordinates

Post by bowl1820 »

Mo Pinel wrote: The vertical coordinate has nothing to do with ball motion.
I'm okay with this.
It's an anomaly.
I'm not sure anomaly is the right word to use here.
(Anomaly: something that deviates from what is standard, normal, or expected.)

If it's a anomaly, What is the standard, normal, or expected it's deviating from? 0" up/down?

Because If the vertical component is "expected" to be 0" up/down, that would mean that the horizontal component (midline) would have to be perpendicular to the Track the majority of the time. (Grip centerline would be parallel to the Track in that case also).

But the majority of the time that's not the case, most bowlers have a either a up or down vertical measurement other than 0" up/down.

In a way a 0" up/down measurement is more of anomaly because it happens less often.
The longer the thumb stays in the ball, the more the vertical coordinate is up. In full rollers, in which the thumb stays in the ball the longest, the vertical coordinate is usually 2+" up.
Now if the longer the thumb stays in the ball, the higher the vertical coordinate is.

Would that also mean the earlier the thumb gets out of the ball, the lower the vertical coordinate will be?

I was just wondering that while the vertical coordinate has nothing to do with ball motion. If it could be telling you a lot more about a persons release, that might be useful.
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