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Author Topic: Pin Placement  (Read 2678 times)

bigfish

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Pin Placement
« on: March 01, 2005, 06:05:59 AM »
What is the difference of the pin being above the ring finger or being below the ring finger on a right handed bowler.

Let me know
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stanski

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Re: Pin Placement
« Reply #1 on: March 01, 2005, 03:37:47 PM »
For most people with average pap's and average stats, It will give the ball an earlier and heavier reaction. Longer distances from grip midlines lead to more orf a reaction that "gets down the lane" better and has a stronger reaction on the backend.

In technical terms, lowering the pin lowers the rg (makes it more center heavy) and raising the pin raises the rg.
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T-GOD

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Re: Pin Placement
« Reply #2 on: March 04, 2005, 01:47:55 PM »
If the pin is above the fingers or below the fingers, but both the same distance from your PAP, I believe Brunswick will tell you that there's no differenc in reaction, because the pin distance remains the same. =:^D
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RSalas

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Re: Pin Placement
« Reply #3 on: March 04, 2005, 02:02:15 PM »
quote:
If the pin is above the fingers or below the fingers, but both the same distance from your PAP, I believe Brunswick will tell you that there's no differenc in reaction, because the pin distance remains the same. =:^D


I doubt Brunswick would say that at all.  A couple of years ago, Bill Orlikowski answered a similar question on the Brunswick community forum by saying that the difference between an "E" layout on the Brunswick drill sheet (where the pin is below the fingers) and the corresponding "L" layout (where the pin is above the fingers) would be about five feet in length.
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T-GOD

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Re: Pin Placement
« Reply #4 on: March 04, 2005, 05:45:52 PM »
Well, Brunswick is saying that the CG doesn't matter, as long as the pin distance is the same.

So why would moving the pin higer or lower effect the reaction of the ball..? =:^D
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stanski

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Re: Pin Placement
« Reply #5 on: March 04, 2005, 05:49:59 PM »
quote:
Well, Brunswick is saying that the CG doesn't matter, as long as the pin distance is the same.

So why would moving the pin higer or lower effect the reaction of the ball..? =:^D


Drilling into the core in different places?
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RSalas

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Re: Pin Placement
« Reply #6 on: March 04, 2005, 06:19:53 PM »
quote:
Well, Brunswick is saying that the CG doesn't matter, as long as the pin distance is the same.

So why would moving the pin higer or lower effect the reaction of the ball..? =:^D


If you're asking for Brunswick's explanation, I can't help you there.  If you're asking what *I* think...

quote:
Drilling into the core in different places?


...that would be my guess.  A while back, Denny Torgerson had an article in BTM discussing this.  IIRC, the nut of the gist was that a pin-below drilling would result in more mass taken from the top of the core (theoretically lowering the RG), while a pin-above drilling would remove more mass from the side of the core.
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a_ak57

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Re: Pin Placement
« Reply #7 on: March 04, 2005, 06:24:30 PM »
How childish T-GOD, get over it.........

Bigfish, as the others have said, under the ring will typically be earlier, while over the ring will tend to be later and sharper.
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Brunswick....'Nuff said.
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Hex017

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Re: Pin Placement
« Reply #8 on: March 04, 2005, 06:27:34 PM »
Can someone explain what it does when you place the pin "out" I guess that is what you call it. My pin is placed on the right side of my ring finger (I'm RH) Anyone know what that does?
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T-GOD

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Re: Pin Placement
« Reply #9 on: March 04, 2005, 07:27:19 PM »
Dave, I guess you can't see sarcasm when you read it. =:^D
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RSalas

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Re: Pin Placement
« Reply #10 on: March 04, 2005, 10:28:06 PM »
quote:
Can someone explain what it does when you place the pin "out" I guess that is what you call it. My pin is placed on the right side of my ring finger (I'm RH) Anyone know what that does?


For this, I refer you to Storm Track's site FAQ:

http://www.ballreviews.com/Forum/Replies.asp?TopicID=74110&ForumID=16&CategoryID=5

To quote the information that directly applies to your question:

quote:

AFFECT OF PIN PLACMENT
Pin to PAP distance:
0" - minimum flare potential, core is in it's most stable position, earliest roll with smoothest arc.
1 1/8" - 1/3 of flare potential, stable core position, earlier roll with smooth arc.
2 1/4" - 2/3 of flare potential, semi stable core position, early roll with strong arc.
3 3/8" - max flare potential, most unstable core position, medium length with the most hook potential.
4 1/2" - 2/3 of flare potential, semi stable core position, late roll with flip/arc reaction.
5 5/8" - 1/3 of flare potential, stable core position, later roll with a flip reaction.
6 3/4" - minimum flare potential, stable core position, latest roll with strongest flip.
Remember : These reaction charcteristics are all relative to the conditions they are being used on and may not perform as expected due to burning up too early or not setting up early enough.
Pin to grip center (GC) distance: The higher the pin above grip center the more lenght you will get fot given pin to PAP distance. The placement in relation to GC 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 GC to reduce the risk of flaring over the finger holes.

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Horrid in Doubles, torrid in Singles...
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