BallReviews
General Category => Drilling & Layouts => Topic started by: J_w73 on January 16, 2009, 07:27:27 AM
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Does anybody notice any difference or more reaction in their ball using the removable thumb products that are out there? I am not too familiar with them but it seems like you have to remove more ball material and core when installing the socket for the removable thumb. Not sure how much weight the socket puts back in.
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16-17 mph
350-475 rpm
PAP 5 1/2 x 3/8 up
High Game 300 x 3
High Series 782
Book Average 215 / 205
PBA Xperience ave 180
years bowling 22
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as long as the ball driller you use knows to drill the finger holes deeper to remove the excess finger weight, then you should have no noticable changes in ball dynamics. I've had all four of my balls done with the VISE IT, and i've had no problems with ball reaction.
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It actually does change the balls dynamics somewhat, basically increasing the Diff. How I noticed this is by installing them in some existing balls I had.
They rolled noticeably earlier. The surface was at 2000 so I just added Powershouse Factory Finsh polished and got the length back with actually a stronger down lane reaction.
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Rick Guined
Owner/Operator: New Millennium Proshop: http://s239.photobucket.com/albums/ff183/Guined/
Track Regional Staff Player
Vise PBA Regional Staff Player
www.trackbowling.com
Edited on 1/19/2009 12:37 PM
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In a non-technical test, I had laid out a ball with a differential of .050. I placed the pin above the fingers and drilled without anything other than finger inserts and a thumb solid normal depth (fingers 1 3/4" & thumb 2 1/2").
After placing a Turbo Switch Grip in, the ball reacted approx 5' earlier and the flare was increased 1/2", with the width between the flares approx 1/16". This is off the top of my head, as I did this almost a year ago. But it does increase the overall diff as well as lowering the RG. You are placing a giant weight hole away from the pin.
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Formerly BrunsRico
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Yes we did this with a Fury pearl.
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Corey Clayton
Brunswick Amateur Staff
Turbo Grips Staff
Team Canada 2007, 2008, & 2009