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Author Topic: Pin above middle finger asym layout question  (Read 540 times)

beastmode1970

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Pin above middle finger asym layout question
« on: March 25, 2020, 05:40:37 PM »
Im sure this has been talked about somewhere but I havent seen much on it.   I was curious what kind of reaction putting the pin above middle finger and mb near the thumb would have on a ball like the ebonite choice solid..  Ive never tried this layout but i have tried various other pin up like pin over bridge and ring... Etc...  Any ideas would be appreciated..  I have a medium track.  PAP is 4 7/8 over and 1/4 up.  380-400 rev rate,  ball speed 17-17.5.. I do not know my axis tilt.   

 

lbss831

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Re: Pin above middle finger asym layout question
« Reply #1 on: March 25, 2020, 07:28:07 PM »
I have several balls drilled like this but I always have my mb drilled out,it gives you length with a strong backend, the farthest away you put the mb away from the thumb it smooths out the backend but still gives you the length,just all depends on what type of backend reaction you want

beastmode1970

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Re: Pin above middle finger asym layout question
« Reply #2 on: March 25, 2020, 07:56:34 PM »
Thanks.  Im wanting it to be stronger down lane and not burn up early..  Its a strong ball  so its still gonna read a little in the mids. 

tommygn

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Re: Pin above middle finger asym layout question
« Reply #3 on: March 26, 2020, 08:47:15 AM »


 The further away from the PAP you place the MB, just means that it takes longer for the ball to find it's preferred spin axis. This CAN smooth out backend reaction, BUT, can also enhance backend reaction. It depends on the bowlers style. Speed dominate, more often than not, a far MB from PAP will seem like it smooths the backend out because the breakpoint won't be as defined and angular. Rev dominate, a MB further away, can enhance the backend motion because the ball doesn't spin up as fast and roll out, and has enough left for the backend.

The other factor is coverstock materiel and cover prep, and how quickly the ball wants to naturally slow down, based on friction. A super strong cover can have more backend reaction with a longer MB to PAP placement because even though the ball is slowing down because of friction and lane adhesion, there is still some motion left for the backend because the ball has not found it's preferred spin axis yet.

As far as the pin distance, it depends on how far from the VAL it is. A pin close to the VAL will create a more defined shape, with forward roll. This can be perceived as "weak" because the ball has used all it's motion, early. But, this also can create the perception of a strong backend reaction for a bowler who doesn't have a lot of hand, and needs that strong reaction to get the ball to change direction properly. A pin further from the VAL will have more continuation, but can be perceived to have more reaction, or "stronger" downlane because it hasn't rolled out and saves some energy for a heavier handed player. A weaker handed player may find a further distance pin from VAL to be smoother, because it doesn't have that extra "kick" to get it to change direction.
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mwl001

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Re: Pin above middle finger asym layout question
« Reply #4 on: March 26, 2020, 10:40:34 AM »
Thanks tommygn that's probably the most clear and complete explanation of that I've ever seen.
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beastmode1970

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Re: Pin above middle finger asym layout question
« Reply #5 on: March 26, 2020, 11:11:18 AM »
Thanks.  I usually do 4-4 1/2 which puts it over my ring or bridge..