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Author Topic: what causes an inverted track ?  (Read 4782 times)

bluerrpilot

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what causes an inverted track ?
« on: July 13, 2007, 03:10:40 AM »
...I just tried a layout that puts the pin under the bridge on a Hammer Pain and that ball has the oil rings closer to the fingers. Not that the ball rolls bad but I was just wondering
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bluerrpilot

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Re: what causes an inverted track ?
« Reply #1 on: July 13, 2007, 12:52:11 PM »
It's not the release. I just didnt think that the drilling would cause that much of a shift in the track.
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chitown

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Re: what causes an inverted track ?
« Reply #2 on: July 13, 2007, 01:04:17 PM »
My ball track is high.  It's very close to the fingers and thumb.  It's not inverted.  I have found that pin down drillings on symmetrical balls will cause my track to invert and clip the fingers.  That's why I don't use pin down drillings on symmetrical bowling balls.

Now asymmetrical balls don't do this.  For some reason asymmetrical balls tend to lower the ball track a small amount which allows me to use a pin down drilling without the track inverting.

Some will say the hand release will cause the track to invert, which may very well be true.  However the pin location can also cause the track to invert.

If your not clipping your fingers then don't worry about it.  If it clips your fingers then don't drill symmetrical balls with pin down drillings.
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bluerrpilot

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Re: what causes an inverted track ?
« Reply #3 on: July 13, 2007, 11:24:41 PM »
Thanks Chi. That makes sense. Its about 1/2 to 3/4" away from the fingers. I was planing on drilling the Anger with the pin down but more under my ring instead of under the bridge. whatcha think?
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BowlerKidR

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Re: what causes an inverted track ?
« Reply #4 on: July 14, 2007, 08:05:42 AM »
Inverted tracks are also caused by the release, and most of the time that is the cause. Depending on how quickly you release the ball from your thumb can make your track inverted. If your thumb is out of the ball very really in the release this can cause the hand to start to turn and the ball will have a inverted flare. Inverted flare/track is not a bad thing just to let you know...it just is.
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chitown

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Re: what causes an inverted track ?
« Reply #5 on: July 14, 2007, 09:46:15 AM »
quote:
Thanks Chi. That makes sense. Its about 1/2 to 3/4" away from the fingers. I was planing on drilling the Anger with the pin down but more under my ring instead of under the bridge. whatcha think?


I think you should check some drilling instructions and see where the "pin safe zone" is for high track bowlers.  This will give you an idea of where under the ring finger is safe.

I forgot to mention the "bow tie" location.  On symmetrical balls a pin down drilling will cause the "bow tie" to be lower than with high pin drillings.  The lowered "bow tie" makes it very easy for a high track player to flare over the Middle finger.  This may not happen on a ball that has small flare but with a ball that flares a decent amount it's likely to clip the fingers for high track players.  It's the later flare rings that clip the fingers.

I just don't want to see you go thru what I did.  I bought a new ball had a pin under drilling and it clipped the middle finger.  That's when I learned that pin down drilling are not a good idea for me.  With the pin up drillings, the bow tie is higher and the flares have no chance on hitting the fingers.

I hope this helps you out.


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bluerrpilot

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Re: what causes an inverted track ?
« Reply #6 on: July 14, 2007, 01:12:47 PM »
I think I should be ok. Since I'm moving it out as well. You can see in the picture my normal track on the Doom compared to the track and bowtie on the Pain. Not too much worry on clipping the finger holes. Thanks for the info.

http://members.cox.net/bluerrpilot/DSC04796.JPG
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chitown

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Re: what causes an inverted track ?
« Reply #7 on: July 14, 2007, 11:33:03 PM »
quote:
I think I should be ok. Since I'm moving it out as well. You can see in the picture my normal track on the Doom compared to the track and bowtie on the Pain. Not too much worry on clipping the finger holes. Thanks for the info.

http://members.cox.net/bluerrpilot/DSC04796.JPG


You will have no problems because the bow tie is still high.  Good luck with your anger.
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