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 Post subject: Help with drilling/layout
PostPosted: Tue Apr 22, 2014 4:16 pm 

Joined: Sat Apr 19, 2014 7:35 pm
Posts: 3
I am a woman with an average in 180's. I just ordered 2 Motiv balls through my pro shop:14# Primal Rage and 14# Tribal. My PAP is 4 3/8 RIGHT & 1/2 UP. I have a higher track, slow speed, about 12-13 MPH, Revs under 300, lots of side roll. I bowl on a THS buffed to 39'. House has very poor carry, lot's of 7's, 10's, 9's; & 8's. Low viscosity oil that carry's down quickly. I am legally blind so accuracy is not my strong point. I am looking for balls that go long with strong angular movement. I need to open up the lanes to provide more area. If I can miss outside my mark with a good chance to get back to the pocket then I am good. I am comfortable playing inside. I would like to be able to belly second/third arrow with Tribal and play deeper with primal Rage. Please, any help with layouts on the balls appreciated. (To administrator I tried this before with no success, I reworded my original post to be more helpful)


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 Post subject: Re: Help with drilling/layout
PostPosted: Fri Dec 12, 2014 11:29 am 

Joined: Mon Dec 08, 2014 1:40 pm
Posts: 1
I am new to the Motiv Forum. Obviously you already have your equipment punched, but I figured I would give my .02 cents on this anyway. Going off of Mo's formula, I calculated your speed at 12.5 and revs at 275. This gives you an initial sweet spot of 110 With you saying a lot of side roll, I anticipate your rotation being around 75 degrees, and looking at your axis point, im going to GUESS your track is around 10.875 giving your tilt about 17-18 degrees (this may be off a lil). After adjusting for tilt and rotation puts your adjusted sweet spot around 100 and ratio around 1:1.25. On a THS, for a controlled layout I suggest 50 x 4 1/4 x 70, for more aggressive 45 x 4 x 55.


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 Post subject: Re: Help with drilling/layout
PostPosted: Mon Dec 29, 2014 3:07 pm 

Joined: Wed Sep 21, 2011 4:42 pm
Posts: 95
In general, bowlers with high rotation have a built in "skid/snap" reaction shape. Having a ball that also has these characteristics can cause control issues at the breakpoint. I usually would suggest something more even rolling, but your pro shop knows your game the best. What bmens said makes sense as far as drilling is concerned, but the choice of balls is just a little odd to me looking at it from the outside.

edit: Just caught the date of the original message. Hope you are enjoying the equipment. Let us know how it worked out for you and how you got them drilled. Could be beneficial for someone else with the same situation.


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