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Finger weight ?
  #1  
Old 10-25-2017, 08:36 PM
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Finger weight ?

I have a ball with PIN right and above bridge! Question is more finger weight = more backend/ flip?
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Re: Finger weight ?
  #2  
Old 10-25-2017, 10:36 PM
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Re: Finger weight ?

Quote:
Originally Posted by handmedn View Post
I have a ball with PIN right and above bridge! Question is more finger weight = more backend/ flip?
The old school idea was that in general, A finger weighted ball would skid farther and roll later than a thumb weighted ball. So the more finger weight the longer the skid. (better for dry lanes)

And a thumb weighted ball would come out of its skid earlier and rolls sooner than a finger weighted ball. So the more thumb weight the earlier it rolled. (Better for oily lanes)

But this is not the thinking anymore, Thumb, finger, top, and side weights static weights are not considered relevant anymore in regard to ball motion by the main stream of bowling, because studies have shown they have very little if any impact on ball motion.
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Re: Finger weight ?
  #3  
Old 10-25-2017, 11:48 PM
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Re: Finger weight ?

Pin location does not determine static weights. Focus on CG location for that.

Static weights have some effect on ball motion...maybe 5-10% I am unwilling to totally ignore statics when there is some advantage to be gained.

Don't forget that planning CG location lets you plan balance holes. Those can alter Diff and RG.
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Re: Finger weight ?
  #4  
Old 10-26-2017, 02:14 PM
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Re: Finger weight ?

Quote:
Originally Posted by RevZiLLa View Post
Pin location does not determine static weights. Focus on CG location for that.

Static weights have some effect on ball motion...maybe 5-10% I am unwilling to totally ignore statics when there is some advantage to be gained.

Don't forget that planning CG location lets you plan balance holes. Those can alter Diff and RG.
Good way off appealing to both sides of the argument there Rev.

Re: Finger weight ?
  #5  
Old 10-26-2017, 10:23 PM
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Re: Finger weight ?

So which will produce a stronger back end reaction 1oz finger or 1/2 oz finger weight?
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Re: Finger weight ?
  #6  
Old 10-27-2017, 07:34 AM
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Re: Finger weight ?

Quote:
Originally Posted by handmedn View Post
So which will produce a stronger back end reaction 1oz finger or 1/2 oz finger weight?
Why are you so fixed on finger weight?

You won't be able to tell by the naked eye the difference. Static weights have virtually no effect. Way more important are surface and pin from PAP.
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Re: Finger weight ?
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Old 10-27-2017, 10:47 AM
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Re: Finger weight ?

Got 1oz to get now was told that I could drill finger holes deeper to achieve 1/2 oz finger just didn't want to ruin ball. BTW sidenwt is around 1/4 positive.
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Re: Finger weight ?
  #8  
Old 10-27-2017, 12:23 PM
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Re: Finger weight ?

Quote:
Originally Posted by handmedn View Post
Got 1oz to get now was told that I could drill finger holes deeper to achieve 1/2 oz finger just didn't want to ruin ball. BTW sidenwt is around 1/4 positive.
If the ball is legal, just throw it.

Re: Finger weight ?
  #9  
Old 10-27-2017, 01:16 PM
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Re: Finger weight ?

Quote:
Originally Posted by fufu View Post
If the ball is legal, just throw it.
He is not getting it.

Side weight, finger weight, thumb weight, it all means honestly nothing. 1980, sure.

You could make everything 0,0 and you would not be able to tell the difference.
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Re: Finger weight ?
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Old 10-27-2017, 01:31 PM
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Re: Finger weight ?

Then why does Nationals require a maximum of 1 oz positive side or finger weight?
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Re: Finger weight ?
  #11  
Old 10-27-2017, 03:12 PM
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Re: Finger weight ?

Quote:
Originally Posted by handmedn View Post
Then why does Nationals require a maximum of 1 oz positive side or finger weight?
Because USBC still has in place static weight rules, hopefully one that goes away. All but for one ball company has come out and said that in different ways that static weights do not matter.

But since you feel differently, go 3/4 finger.
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Re: Finger weight ?
  #12  
Old 10-27-2017, 03:33 PM
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Re: Finger weight ?

Quote:
Originally Posted by MeNoRevs View Post
Because USBC still has in place static weight rules, hopefully one that goes away. All but for one ball company has come out and said that in different ways that static weights do not matter.

But since you feel differently, go 3/4 finger.
Thats only 1/4" later on the lane for reaction, better go 7/8oz for that extra 1/4".

Re: Finger weight ?
  #13  
Old 10-27-2017, 04:20 PM
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Re: Finger weight ?

Thanks All 4 the advice!
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Re: Finger weight ?
  #14  
Old 10-27-2017, 05:34 PM
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Re: Finger weight ?

Statics won't go away because given free rein, someone will be creative enough to take full advantage of the opportunity to "load" a ball.

But, in all honesty, some of the blocks are so dynamic today, there is essentially little need to manipulate statics.

My question is this, if statics only represent a small segment, let's say 6.5% of ball motion, what if the statics are 6.5% wrong? That would be a 13% swing in ball reaction. Is 13% significant?
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