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Author Topic: Getting a Jackal  (Read 3178 times)

12XSECH

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Getting a Jackal
« on: May 20, 2015, 12:53:26 PM »
Getting a Jackal, 4 inch pin...Im a tweener medium revs, medium ball track..Not high or low. I dont know the stats although I know I should...I avg 219 in one house and 208 in another. I can play almost anywhere on the lane except very deep (righty). On flat patterns i have trouble ( i guess most do).. I saw on the Jackal video they used 3 drillings..One pin up over ring finger that they called controlled and the weakest, one was pin above middle finger (negative drilling) that they say is straighter in the front and has most backend and the 3rd was a pin down that they called the strongest. Isnt pin down drillings basiclly the smoothest? Or with this core pin down is the strongest? I'm not a driller so I dont know. What I want is a strong ball that can be played on a heavy house shot and flatter tournamemt patterns. I wont be using on light patterns, I have the Tag for that and I love it! Any drilling instructions? Pin up, down, best pin to pap angle etc....Thanks

 

cheech

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Re: Getting a Jackal
« Reply #1 on: May 20, 2015, 03:14:40 PM »
layout strength is measured by flare. flare is created by pin distance from your PAP. with this being an asymetrical core, pin positions 2.5" and further will increase flare potential as you move away from the axis point. another element to this is that the shorter the pin distance is to the axis, promotes retention of axis rotation which will give the ball some length as well. the height of the pin (up/down) creates reaction to friction. the lower the pin is related to your PAP will create less response to friction or make it smoother. the last thing that affects the strength of the layout is the drilling angle which is a and angle created by a line connecting the pin and mass bias and a line from the pin to the PAP. i know its all very confusing but these three things that make the layout along with the ball surface, lane surface, oil patter nand volume.

in short you cant describe a layout based on the way it looks because layouts look different for everyone and you dont know the specifics of it. and different layouts will compliment different players in different ways so that is why its important to have a qualified pro shop operator that knows your game and lane conditions. in GENERAL, higher drill angles promote length and higher pins promote quicker responses to friction (snap) and lower pins promote slower responses to friciton (smooth).

spmcgivern

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Re: Getting a Jackal
« Reply #2 on: May 20, 2015, 03:29:16 PM »
The reaction shape based on the drilling would be different for the Tag compared to the Jackal because the Tag is symmetrical and the Jackal is asymmetrical.

On asymmetrical balls, the Mass Bias (MB) location will be around the marked location.  Final location can depend on initial location combined with thumb hole size and strength of MB.

On symmetrical balls, the MB after drilling is around the thumb hole.  Symmetrical balls do not have a defined MB. 

Final location of MB, post drilling, will have an effect on the reaction shape.

spmcgivern

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Re: Getting a Jackal
« Reply #3 on: May 20, 2015, 03:29:48 PM »
Plus what cheech said.....

vkowalski1970

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Re: Getting a Jackal
« Reply #4 on: May 20, 2015, 10:34:31 PM »
Those layouts will do different things for different people. Get your stats then we can help.
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