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Author Topic: 2-3 pin versus 3-4 pin  (Read 34478 times)

offthesheet

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2-3 pin versus 3-4 pin
« on: February 09, 2012, 02:46:07 AM »
As far as pin distances, what is the benefit of 2-3 pin versus 3-4 pin?  Thoughts

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Russell

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Re: 2-3 pin versus 3-4 pin
« Reply #1 on: February 09, 2012, 11:16:24 AM »
Absolutely zero....if your ball driller tells you otherwise....they don't know what they are doing.

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NoseofRI

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Re: 2-3 pin versus 3-4 pin
« Reply #2 on: February 09, 2012, 11:51:46 AM »
About the only actually "benefit" is versatility in layout.  If you are considering pin up vs pin down, one makes it easier to do than the other. Ball reaction wise, nothing noticeable.


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dizzyfugu

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Re: 2-3 pin versus 3-4 pin
« Reply #3 on: February 10, 2012, 12:51:00 AM »
Just to add to the last comment: the CG placement (and therefore the pin distance) tells you something about the internal weight distribution and the core placement. If you want a certain ball reaction/layout, a long or short pin (and also top weight) can be a "better" basis for the ball driller to achieve the intended result. Additionally, due to USBC rules some static weight limits have to be observed - and the CG placement/pin distance can limit you in your plans or require additional adjustments (balance holes, deeper finger or thumb) which can be avoided with a proper ball choice. But it's already sophisticated stuff - a certain pin distance does not make a ball "better", rather more suitable for your plans.


DizzyFugu - Reporting from Germany
2010/11 Benrather BC Club Champion
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DizzyFugu ~ Reporting from Germany

kidlost2000

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Re: 2-3 pin versus 3-4 pin
« Reply #4 on: February 10, 2012, 06:36:22 AM »
Usually nothing. It can be a small issue depending on the top weight of the ball and a possible layout your wanting to drill and maybe your span. More time then not it isn't an issue.
 
Example would be a 2" pin with 3.5 ozs of top weight and your wanting to go with a pin up drilling. Most spans would put the cg near the fingers and end up putting the ball over on allowed finger weight with out a weight hole in a less desired location. A 4" pin would make it a lot easier and give you more options on a weight hole location to increase the dynamics of the ball. 
 
On pin down drillings the above ball wouldn't be a problem at all for almost any layout. That is the most common issue I ever see with it. 


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…… you can't  add a physics term to a bowling term and expect it to mean something.

Stan

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Re: 2-3 pin versus 3-4 pin
« Reply #5 on: February 10, 2012, 10:02:21 AM »
I'll just ad this.  When I order balls for customers, I always take in consideration on how long their span is and the type of layout we are going to do.  Sometimes with a long span (5 1/4 or so) with a 2 inch pin and a high pin placement, it will make it very difficult to take out the desired finger weight, especially if we are looking for a P4 balance hole.  Yes, I am aware that you can drill the finger holes deeper and also drill a balance hole above the mid line.  Again, it all depends on what we are tying to accomplish with the layout.


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