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Author Topic: Pin up VS Pin down  (Read 21458 times)

Bill Thomas

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Pin up VS Pin down
« on: March 17, 2011, 04:14:31 AM »
Can someone give a simple explaination as to what is meant by pin up and pin down and what effect each has on a ball?



 

storm22

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Re: Pin up VS Pin down
« Reply #1 on: March 17, 2011, 12:30:28 PM »
Pin up = Longer/farther downlane before traction is made

 

Pin down = Earlier in the ball motion that the ball begins to make its move to the pocket/ earlier grab on the pattern


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Dan Belcher

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Re: Pin up VS Pin down
« Reply #2 on: March 17, 2011, 01:02:04 PM »
Assuming the pin to PAP distance stays the same, you are actually considering the angle to the VAL more than you're talking about how far up or down the pin is from the fingers or center of grip or any visual thing like that.

 

Layouts that place the pin higher up visually and closer to the VAL will cause the ball to naturally want to skid more and hook later, and the ball's response to friction will be faster with a more angular breakpoint shape.

 

Layouts that place the pin lower visually and further away from the VAL will cause the ball to want to roll sooner, and the ball's response to friction will be slower with a more gradual hook motion and a more arching reaction.



BowlingChat

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Re: Pin up VS Pin down
« Reply #3 on: March 17, 2011, 01:45:28 PM »


Skid distance is determined by coverstock attributes and/or drill angles on asymmetrics.



Pin up, or small VAL angles speed up transitions from hook to roll.

Pin down, or large VAL angles slow down transitions from hook to roll.




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Xcessive_Evil

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Re: Pin up VS Pin down
« Reply #4 on: March 17, 2011, 02:36:24 PM »

 +1



Dan Belcher wrote on 3/17/2011 1:02 PM:
Assuming the pin to PAP distance stays the same, you are actually considering the angle to the VAL more than you're talking about how far up or down the pin is from the fingers or center of grip or any visual thing like that.


 


Layouts that place the pin higher up visually and closer to the VAL will cause the ball to naturally want to skid more and hook later, and the ball's response to friction will be faster with a more angular breakpoint shape.


 


Layouts that place the pin lower visually and further away from the VAL will cause the ball to want to roll sooner, and the ball's response to friction will be slower with a more gradual hook motion and a more arching reaction.




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Bill Thomas

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Re: Pin up VS Pin down
« Reply #5 on: March 18, 2011, 02:37:47 PM »
WOW!  If these responses are simple then I'm dumber than I thought.  To repeat, what I would like to know is pin up is up above what?  Pin down is down from what?


 
Edited by Bill Thomas on 3/18/2011 at 2:39 PM

JustRico

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Re: Pin up VS Pin down
« Reply #6 on: March 18, 2011, 02:44:00 PM »
They are referencing the finger holes...pin above the finger holes or pin below the finger holes


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Steven

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Re: Pin up VS Pin down
« Reply #7 on: March 18, 2011, 02:44:24 PM »
The finger holes.....
 



Bill Thomas wrote on 3/18/2011 2:37 PM:
WOW!  If these responses are simple then I'm dumber than I thought.  To repeat, what I would like to know is pin up is up above what?  Pin down is down from what?



 

Edited by Bill Thomas on 3/18/2011 at 2:39 PM



Juggernaut

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Re: Pin up VS Pin down
« Reply #8 on: March 18, 2011, 03:13:34 PM »
OK Bill Thomas. You want simple, You got simple.

 

 Pin up = Ball drilled with the pin above the level of the bridge/finger holes.

 

Pin down= Ball drilled with pin at or below the level of the bridge/finger holes.

 

 

 The difference it makes, and I won't go into details as to why, pin up balls tend to go further before they read the pattern and they read the pattern harder. (I.E. their change of direction is delayed and more sudden)

 

 Pin down balls tend to start reading a bit sooner, and they tend to be more of an arcier reaction when compared to their pin up counterparts. (I.E. their change of direction is sooner and smoother)

 

 It really is about what moving the pin around does to the drilling and val angles, but that wouldn't be simple.
 
Edited by Juggernaut on 3/18/2011 at 3:14 PM
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Zack Pelton300

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Re: Pin up VS Pin down
« Reply #9 on: March 19, 2011, 01:22:59 AM »
Pin up
will go longer down the lane and be much harder off the dry
Is better to use when getting in deeper. It will retain the energy and pop off the spot.   
 
Pin down will start up sooner and be much smoother off the dry
 Will be better to play straighter on shorter patterns, or if u move in to play a tighter line.



Bill Thomas

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Re: Pin up VS Pin down
« Reply #10 on: March 19, 2011, 04:24:24 AM »
Thanks!  These later posts I understand.



Dan Belcher

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Re: Pin up VS Pin down
« Reply #11 on: March 19, 2011, 01:46:21 PM »
I hated to give you a simple answer of "the higher the pin, the longer it goes" that most people say because it's not always true. ;) For the vasty majority of layouts that league bowlers use, that's a pretty good standard to go by, but once you start considering some more unusual layouts, it may no longer be that obvious.