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Author Topic: Pin Height?  (Read 1439 times)

themachine300

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Pin Height?
« on: November 18, 2007, 09:43:33 AM »
I know this question is kinda vague but i was wondering for those who drill alot of bowling balls, how much of a difference in reaction does the pin height or the distance from the pin to midline normally matter, assuming you keep the pin-pap and surface the same and a cg location to not need an x-hole.

Let's say you have 3 balls all 4 1/2 inches from your axis. One is just below the bridge, one is above your ring finger and another is an inch from your val (way above the fingers). Reason I'm asking, is I'm new to drilling and ball layouts and I'm trying to learn more in fine-tuning a reaction that I'm looking for. I've learned that surface and pin-pap are more important and obviously that the higher the pin from the midline, the further the ball pushes down lane before it wants to move. But does the pin height make that much of a difference?


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Edited on 11/18/2007 7:33 PM
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REvans284

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Re: Pin Height?
« Reply #1 on: November 18, 2007, 09:19:08 PM »
quote:
I've learned that surface and pin-pap are more important and obviously that the higher the pin from the midline, the further the ball pushes down lane before it wants to move.


You kinda answered your own question.  The lower and closer to the midline the pin the earlier the ball is going to read on the lane.  This information below is copied directly from the Unofficial FAQ thread here on BR.  You can click on the Search function and type in FAQ and find it or a link to it in someones Signature at the bottom of a post.


"The higher the pin above grip center the more lenght you will get for a given pin to PAP distance. The placement in relation to CG also affects where the tracks of track flare intersect (bow tie). Higher pin = Higher intersection. For this reason they suggest high trackers place the pin higher above CG to reduce the risk of flaring over the finger holes."

Later,

REvans284

Edited on 11/18/2007 10:21 PM
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themachine300

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Re: Pin Height?
« Reply #2 on: November 18, 2007, 09:34:03 PM »
I guess what I'm asking is there a noticeable difference in ball reaction keeping surface and pin to pap distance the same or have the coverstocks become so strong is almost getting irrelevant.
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Move left, hook it more.....

Tommy Jones is a Gamecock fan...are you???

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Edited on 11/18/2007 10:35 PM
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charlest

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Re: Pin Height?
« Reply #3 on: November 19, 2007, 05:11:13 AM »
quote:
I guess what I'm asking is there a noticeable difference in ball reaction keeping surface and pin to pap distance the same or have the coverstocks become so strong is almost getting irrelevant.
--------------------
www.bowlingsolutions.com

Move left, hook it more.....

Tommy Jones is a Gamecock fan...are you???

Spares raise your average...Strikes win you titles...http://

Edited on 11/18/2007 10:35 PM


The stronger the core (higher Mass Bias and higher RG Differential) the greater the difference you will see.

The more revs you have the more difference you will see.

The drier and cleaner the backends are, the greater the difference you will see.

The fasteer you throw the ball the LESS difference you will see.

Everything is relative.

More than the difference in length, the true difference you will see is that the higher the pin position, the quicker the ball reacts to dry. That is, the faster it will go through the skid/hook/roll cycle. So the ball with a higher position will have a snappier reaction that is harder to control, COMPARED TO THE EXACT SAME BALL, THROWN BY THE SAME PERSON, ON THE SAME OIL PATTERN, ON THE SAME LANE SURFACE, with a lower the pin. The lower pin ball will have a slower transition and more arc-like reaction.
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"None are so blind as those who will not see."

azguy

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Re: Pin Height?
« Reply #4 on: November 19, 2007, 06:27:56 AM »
From what I see here, locally, you wouldn't see that much difference...UNLESS..the bowler can be exact with, as charlest said...same speed/oil/release/exact same ball. We all like to think we can repeat the same of above but few if any can. I know I can't , if I could I'd have a room full of +awards. We can get close, but close will not be exact and the differences will usually me chalked up to bad shot/release/missed mark you name it we blame it.

I do think we all have our "safe zone", layout/ball/release we feel is the best for how we bowl and when you hit that zone, that's when we'll say one ball or the other does or does not work for us. To throw in my 2 cents worth, you will not see that much difference, as long as the safe zone for the pin is observed.
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