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Author Topic: CG/Asymmetric question  (Read 5549 times)

JazlarVonSteich

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CG/Asymmetric question
« on: July 21, 2016, 10:32:52 AM »
I'm pretty sure I know the answer(s) to this, but I figured I would get it addressed anyway.

I just recently switched from 15lbs to 14lbs, and am starting with a basic arsenal. The last ball I bought was the Mastermind Strategy. I had it drilled with the pin roughly under the middle finger and the mass bias to the right and below the thumb. Maybe an inch or two (the ball is not in front of me). It's basically like the medium track mid-lane & back-end drilling on the brunswick drilling sheet. Right handed, by the way.

Last night I was practicing and someone said that I had a negative drilling and it would cause a hook/stop motion. Basically said it was weak and would only be good playing straight up against the oil line. The suggestion was to put polish on it.

This was all because the CG is to the left of the pin to MB line. It basically ended up in line with the pin and thumb hole once it was laid out. So the question is, what are your thoughts on this?

I can post a picture of the ball later, and follow-up with more info as to where the discussion went and what I experienced later on in the practice session.

 

bowler001

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Re: CG/Asymmetric question
« Reply #1 on: July 21, 2016, 11:09:24 AM »
You're being fed misinformation from this individual. The ending CG location on an asymmetric ball only effects static weight in regards to legality. In your case, it does not sound like it required any additional weight holes. In addition to that, the ball reaction characteristics of that layout for you will be determined by pin and mass bias positions in relation to your axis point. It is not uncommon for people with short horizontal axis points to have pins, cgs, and/or mbs to the left side of their grip (for a right hander). This does not mean the ball has a "negative drilling" as someone with a longer horizontal axis could have the same layout numbers and be located on the "positive" side of the grip. The only possibility is a ball could end up with negative side weight if the cg is left of grip (for a right hander), but if the ball remains statically legal, then it has no bearing.

BTW, great ball choice!

Impending Doom

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Re: CG/Asymmetric question
« Reply #2 on: July 21, 2016, 12:31:08 PM »
They're a negative drilling.  Phrase is as useless as boobs on a bull.

JazlarVonSteich

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Re: CG/Asymmetric question
« Reply #3 on: July 21, 2016, 12:57:07 PM »
This is pretty much what I thought. Certain people around here (locally) are set in their old school ways. I have read most of the modern information out there.

Anyway, what I was experiencing was a lane with little head oil in the area I was playing plus some carry down. You could see the ball laboring down the lane, not revving properly. My Brainiac was a bit better with the polished surface, but it did not hook much. Same with the Rhino Pearl. The only ball that reacted well from that area was my slightly scuffed Jackpot.

I refused to polish the Strategy so I went with a 4000 surface - probably higher grit since I had them use an older pad. The ball did not react much better. After that person left, I jumped a good 10-15 boards left and changed my hand position. That's when the ball came to life and each ball fell in the expected order in terms of hook potential.

I'm just getting tired and frustrated with the ignorance to modern bowling ball science, drilling and techniques from people in this area.

I actually picked all the layouts, myself, and they've pretty much been spot on. I certainly don't want a polished strategy. That isn't what I bought it for. I have other balls to handle the job. It is obvious that this ball needs oil. And that's a good thing. I'm just going to have to play around with the surface to see what works best for me on the conditions I want to use it on. The Grudge was the same thing. It looked like a dud on the house shot if not thrown from the right area.

SVstar34

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Re: CG/Asymmetric question
« Reply #4 on: July 21, 2016, 01:36:17 PM »
Strong balls need oil. They don't necessarily work well on your standard house shot

BradleyInIrving

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Re: CG/Asymmetric question
« Reply #5 on: July 22, 2016, 02:42:34 PM »
Just ask your "friend" if he understands Pin to PaP relations and they're reactions based off that .  If he says yes, then ask him what he thinks your PaP is based on where your pin is located on said ball..  If he shrugs his head then tell him, My PaP is not your PaP lol