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Author Topic: Drilling Patterns  (Read 7871 times)

LoganS

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Drilling Patterns
« on: June 29, 2012, 02:38:15 AM »
I hear this all the time.. " I put a weak drilling pattern on a strong cover" or "I put a strong drilling pattern on a weak cover"...

Can someone please explain what a strong drilling pattern, a medium drilling pattern, and a weak drilling pattern would be.. 
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mainzer

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Re: Drilling Patterns
« Reply #1 on: July 01, 2012, 01:50:55 PM »
Logan Pin to pap distance and layout angles determine a drills patterns strength, but it can vary
from bowler to bowler or to some extent ball to ball.

A Four inch Pin to PAP or something close to four i.e. 4 1/2 or 4 1/4 are stronger, cause the ball doesnt
very long to go from slide to read to roll.

Pin to PAP that is higher than four like five or six are weaker, they take longer to go from slide to read to
roll making the movement off the spot smoother and calmer.

Best way I can explain. others will be able to explain it better.
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MainzerPower

MI 2 AZ

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Re: Drilling Patterns
« Reply #2 on: July 01, 2012, 05:22:50 PM »
Logan, you don't have any info on yourself in your Profile, so no one here would know your experience or knowledge level.  So just in case, here are some links that help to explain PAP and Pin that Mainzer mentioned in the above post.

http://ebonite.com/resources/bowling_tip_detail/the_positive_axis_point

http://ebonite.com/resources/bowling_tip_detail/pin_positions_and_dynamic_reactions

http://www.bowlingfans.com/jeff/ballreactionbasics.html

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kidlost2000

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Re: Drilling Patterns
« Reply #3 on: July 01, 2012, 05:53:14 PM »
Its relative to how you throw the ball. For me 4.5-6" pin to pap give me a great reaction. It gives me some length depending on the balls coverstock and plenty of hook down lane. Shorter pin to pap for me start reading much sooner and are usually not great for my style of bowling on most ths. On longer patterns I want that shorter pin to pap to help with the increase of oil on longer, flatter patterns.

I don't see any pattern as weak or strong. It is all relative to the bowling ball and the bowling balls intended purpose. Thats the most important thing I look at when drilling a ball. Whats the manufactures intended condition for the ball and finding a layout to help match that purpose.
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…… you can't  add a physics term to a bowling term and expect it to mean something.

avabob

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Re: Drilling Patterns
« Reply #4 on: July 01, 2012, 06:29:15 PM »
Weak or strong is a bit of a misnomer.  Layout really has minor impact on a ball compared to surface prep.  People generally refer to pin placements close to the leverage position ( 3 3/8 from axis ) as strong, but it really means the flare potential of the core  is maximized.  Pins further away from the leverage spot are referred to as increasingly weaker, but are just increasingly lower flare potential layouts.  Depending on the oil pattern high flare can mean more hook potential.
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Dave81644

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Re: Drilling Patterns
« Reply #5 on: July 01, 2012, 10:28:14 PM »
In order of importance or influence:

cover
core
surface adjustment
drill layout

you really need to make sure the proper ball is selected for your style and what you intend to use it for.
Your experienced pro shop should help you with this.
If not, find some one else.

The layout is the final piece to the puzzle provided by your competent driller.
the 3 previous items are much more important before you get to the drill layout
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