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Author Topic: How big does ball circumference have to get...  (Read 2197 times)

JessN16

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How big does ball circumference have to get...
« on: February 08, 2009, 05:51:38 PM »
...before it becomes illegal and also before it starts to have an affect, positive or negative, on performance?

I was laying out two balls tonight and realized I couldn't make my Pro-Sect freely move around one of the balls. It wasn't enough where I couldn't move it at all, but it was different than anything I've had before.

Jess
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charlest

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Re: How big does ball circumference have to get...
« Reply #1 on: February 09, 2009, 06:11:43 AM »
Jess,

I don't remember exactly , but check the USBC web pages for the regulations. It's a fairly narrow range, around 27".
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Pinbuster

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Re: How big does ball circumference have to get...
« Reply #2 on: February 09, 2009, 06:58:50 AM »
Circumference

Minimum 26.704"
Maximum 27.002"
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laufaye

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Re: How big does ball circumference have to get...
« Reply #3 on: February 09, 2009, 09:56:13 AM »
quote:
Circumference

Minimum 26.704"
Maximum 27.002"


Manufacturing standard.....not after drilled...
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Laufaye
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Pinbuster

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Re: How big does ball circumference have to get...
« Reply #4 on: February 09, 2009, 10:10:39 AM »
How would drilling effect circumference?
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MI 2 AZ

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Re: How big does ball circumference have to get...
« Reply #5 on: February 09, 2009, 01:45:35 PM »
Probably absorbed too much lane oil.  



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tenpinspro

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Re: How big does ball circumference have to get...
« Reply #6 on: February 09, 2009, 02:29:21 PM »
Hey Jess,

The more and more you do this (drill that is), the more you will see the variances between pieces.  I've seen so many balls that are slightly off, it is not that uncommon anymore.  You may even see this more like I have with seconds, blems or kmart/walmart type balls.
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Rick Leong - Ten Pins Pro Shop
Co-Founder - Tag Team Coaching
"El" Presidente of the Legion

laufaye

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Re: How big does ball circumference have to get...
« Reply #7 on: February 09, 2009, 04:57:29 PM »
quote:
How would drilling effect circumference?


Not the drilling, just there is no regulations on ball size under playing rules, the ball wont get bigger, but the ball can get smaller, due to sanding/resurfacing, so if a ball manufactured with the minimum size and sanded, it will be smaller than the minimum size, that is why there is no playing rules for that.
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JessN16

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Re: How big does ball circumference have to get...
« Reply #8 on: February 09, 2009, 10:26:46 PM »
quote:
Hey Jess,

The more and more you do this (drill that is), the more you will see the variances between pieces.  I've seen so many balls that are slightly off, it is not that uncommon anymore.  You may even see this more like I have with seconds, blems or kmart/walmart type balls.
--------------------
Rick Leong - Ten Pins Pro Shop
Tag Team Coaching - Co-Founder
"El" Presidente of the Legion



This one was a "blem," but not for that reason -- it's a pro CG ball (although if this is what pro CG looks like, I'll be happy to buy more -- the CG was barely too far left).

Jess
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