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Author Topic: Has anyone heard of this?  (Read 3440 times)

Doug Sterner

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Has anyone heard of this?
« on: January 16, 2004, 09:24:37 AM »
When I was bowling in college with a good buddy from Temple Univ, he had put out a theory dealing with how to align the pin and cg in a drilling. His theory was as follows....

for the most consistent reaction and best overall hook and carry potential, the line drawn from the pin to the cg should be parallel to your track.

I was jsut going back thru some things while cleaning out a closet and found this info and was thinking about it. When I went to the pro shop tonight I checked my favorite ball....my Emerald Buzzsaw. Guess what? It is drilled 4x4 but when you draw the line, it is very close to parallel to the track.

ANyone else ever notice this or is it a big coincidence?
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channel surfer

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Re: Has anyone heard of this?
« Reply #1 on: January 17, 2004, 07:16:27 AM »
Well if its a 4x4, 5x5, or whatever, wont it always be parrallel to your track? Maybe I misunderstanding something.
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charlest

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Re: Has anyone heard of this?
« Reply #2 on: January 17, 2004, 07:17:20 AM »
I could be wrong, but I believe,
depending on the position of the pin (usually around 3.5" from PAP), this alignment basically reflects, as far as I have learned and read, what is commonly called a stacked leverage drilling or more precisely a 75 degree drilling.
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tenpinspro

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Re: Has anyone heard of this?
« Reply #3 on: January 17, 2004, 08:11:10 AM »
I personally think it would vary from ball to ball due to the various core shapes(sym vs asym).  Best overall hook??  Still depends on where pin and cg are relative to the bowlers pap.  Carry potential?  For me, simple understanding of skid, roll, and hook.  Changed to 14lbs 2 years ago and still carrying about the same...Earl Anthony did it with minimal revs.  As he explained it, just get the ball to hit on it's exploding point.  Best way to test the theory...drill something sym and asym at 4x4 and see if it still gives you that consistent reaction....just my thoughts.
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1fife

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Re: Has anyone heard of this?
« Reply #4 on: January 17, 2004, 10:25:17 AM »
with the flaring balls

are you saying initial track

becuase with these monster flarers(is this a word) they wont be parallel for long

Doug Sterner

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Re: Has anyone heard of this?
« Reply #5 on: January 17, 2004, 02:58:10 PM »
I was thinking that any drill that put the cg and pin equidistant from the PAP would then fall into this category.

Just made me think for a bit if it was a thing he dreamed up or if there was actual scientific basis for his theory.
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Doug Sterner
Doug's Pro Shop
Owego, NY
http://dougsproshop@aol.com
www.dougsproshop.net

The Cherry is the Bomb

but the Nugget is Golden!!!

Now accepting VISA/MC and Discover for your purchases
Doug Sterner
Doug's Pro Shop
Owego, NY

Proud Member of the NRA
Fighting to uphold the Constitution of the U.S.

Burak Natal

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Re: Has anyone heard of this?
« Reply #6 on: January 17, 2004, 03:31:12 PM »
Doug, I guess I'm missing something..
Yes, any drill that put the cg and pin equidistant from the PAP would then fall into this category. No doubt. Like:
3-3/8 X 3-3/8
4 X 4
5 X 5
However, these layouts will give different reactions for sure also.
I have to agree with tenpinspro that overall hook and carry will vary according to the style, ball's specs and lane condition.. Therefore, in my humble opinion, stacked drillings will not always give the optimum reaction desired. Honestly, I respect your posts here and read them with great interest. But, I'm really confused here regarding what you really would like to ask..

Regards,
Burak
Regards,

Natal
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TECH SUPPORT

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Re: Has anyone heard of this?
« Reply #7 on: January 17, 2004, 05:30:55 PM »
I think this goes back to position of the weight block as it enters the pocket.If it is in a said position when it is on its psa "preferred spin axis" some people believe it to have a better influence over the carry.I don't know about this because of the roll out factor when it reaches its psa.Roll out = deflection witch can be good and bad. I don't put alot of stock into it I just drill them and throw them from what I know works.
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charlest

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Re: Has anyone heard of this?
« Reply #8 on: January 17, 2004, 06:10:15 PM »
Burak Natal wrote:

quote:
Doug, I guess I'm missing something..
Yes, any drill that put the cg and pin equidistant from the PAP would then fall into this category. No doubt. Like:
3-3/8 X 3-3/8
4 X 4
5 X 5
However, these layouts will give different reactions for sure also.
I have to agree with tenpinspro that overall hook and carry will vary according to the style, ball's specs and lane condition.. Therefore, in my humble opinion, stacked drillings will not always give the optimum reaction desired. Burak


Optimum reaction for the pin position, in my (humble? is it no longer humble, when you say you are humble? Believe me, when I say I have much to be humble about!) opinion.

I just gave this "speech" to someone in a private messgae about drillings (clock vs degree):
"Whether you use degrees or clock settings to determine the angle of the core
the actual position of the pin is the most important determinant of the ball's reaction."

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"Just because you can do something does not mean you should do it."

Edited on 1/17/2004 7:08 PM
"None are so blind as those who will not see."

Doug Sterner

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Re: Has anyone heard of this?
« Reply #9 on: January 17, 2004, 10:28:45 PM »
I was just looking for some opinions on my buddy's "brain wave" of this theory.

He is a cranker with speed and he said at the time that he was getting his best overall reactions with balls drilled like that.

At the time I think he was throwing Purple Rhino Pro, Blue Hammer, Beast and Navy Resin hammer.

Just curious thats all guys....thanks for the input
--------------------
Doug Sterner
Doug's Pro Shop
Owego, NY
http://dougsproshop@aol.com
www.dougsproshop.net

The Cherry is the Bomb

but the Nugget is Golden!!!

Now accepting VISA/MC and Discover for your purchases
Doug Sterner
Doug's Pro Shop
Owego, NY

Proud Member of the NRA
Fighting to uphold the Constitution of the U.S.

Burak Natal

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Re: Has anyone heard of this?
« Reply #10 on: January 18, 2004, 07:58:10 AM »
Joecr,
yes you are right. My post was based on "the line drawn from the pin to the cg should be parallel to your track." And in that point of view, they are similar. Not lay-out, degree or clock settings wise. I do agree the rest of what you have said..

charlest, you have sharp eyes Thanks for the comment, I've never thought like that. Just trying to reply as polite as I can to someone I respect. I'll think about it..

Regards,
Burak
Regards,

Natal
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tenpinspro

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Re: Has anyone heard of this?
« Reply #11 on: January 18, 2004, 05:48:29 PM »
Hey Doug,

For the balls mentioned, the stack drill of 4x4 may have worked well because those balls were o/u ish in nature to the conditions back then.  Manufacturers
didn't learn to control or blend the resin yet.  If your friend had a high enough track, then the 4x4 was also close enough to leverage which would keep it more even looking and predictable in reaction compared to standard drillings at the time.  This is possibly why it worked so well then....just my thoughts..
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