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Author Topic: Roll quality  (Read 4346 times)

jbkoala

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Roll quality
« on: October 09, 2012, 11:17:48 PM »
Please forgive me for asking a stupid question, which will hit harder and cause more pin action just before hitting the pins:

1. A ball in full roll - No skidding
2. A ball which has started to hook but still skidding/revving

I have experimented with both but it seems that I am getting more strikes with option 2 as long as I hit the pocket.

 

xrayjay

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Re: Roll quality
« Reply #1 on: October 09, 2012, 11:24:33 PM »
I think a ball that rolls a feet or so just before it hits the pocket that doesn't deflect but drives through 1 3 5 9 - for righty. But, I'm just guessing.
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aka addik since 2003

MI 2 AZ

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Re: Roll quality
« Reply #2 on: October 10, 2012, 12:03:15 AM »
A ball is supposed to go through skid, hook, then roll for best results.

I don't understand your #1.  A ball in full roll - no skidding.  Do you mean that it never skidded first?  Like in bone dry lanes?  On dry lanes the ball may get into its hook then roll stage too soon on the lanes and have nothing left for the pins.

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jbkoala

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Re: Roll quality
« Reply #3 on: October 10, 2012, 12:18:19 AM »
Sorry for the bad explanation. Full roll means going through all the skid,hook,roll phase properly just before hitting the pins.

MI 2 AZ

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Re: Roll quality
« Reply #4 on: October 10, 2012, 12:40:18 AM »
Ok, then #1 should be the harder hitting ball like Xrayjay said it should do.

Many times my ball behaves like your #2 (my ball has been said to hit like #2 too) where it is still hooking as it hits the pins before it has a chance to get into the roll stage and I have a tendency to leave corner pins.

Maybe someone else can offer an explanation of why you are getting better results that way.
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Aloarjr810

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Re: Roll quality
« Reply #5 on: October 10, 2012, 10:20:40 AM »
#1 the hardest hit would be when it goes into the roll phase but before it rolls out.

Mo Pinel:
The loss of rotation and tilt signals that the ball entered the roll phase, a necessary occurrence to good strike percentage.
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jbkoala

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Re: Roll quality
« Reply #6 on: October 10, 2012, 11:33:17 PM »
MI2, I tend to get a lot of strikes with 2. when I play very straight, meaning starting on the 2nd or 1st arrow and graaaadually hooking into the pocket while still skidding and revving quickly. The pin reaction I get: tend to snap out the 10pin with the 3 or 6 from the right.

I will try some surface to get the ball to roll end over end before hitting the pins with the same ball and see what pin action I can get.

Aloarjr, whats the difference between rolling out phase and going into the roll out phase?

Aloarjr810

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Re: Roll quality
« Reply #7 on: October 10, 2012, 11:52:27 PM »
Aloarjr, whats the difference between rolling out phase and going into the roll out phase?


Here's how Mo puts it:
Once the ball reaches the "roll phase" where axis rotation = axis tilt, the ball will no longer hook, the entry angle will remain the same, and the ball is in a pure forward roll. Even though rotation and tilt are equal, they will be > 0* for a semi-roller. The ball will hit equally hard until the rotation and tilt = 0*. Once they equal 0*, the ball is truly "rolled out".
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