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Author Topic: vertigo drilling???  (Read 845 times)

fishbowler

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vertigo drilling???
« on: November 28, 2005, 04:32:55 AM »
got a used vertigo in a trade.

the pin is under the middle finger about half inch down and the cg is right of grip center about 3/4 inch, pretty much in cetner between fingers and thumb.  no wt holes.  the RAD is right of thumb about three inches.  

my pap is about 4 7/8 over and 1/2 inch up.

I would assume this is a very weak drilling.  what can I expect, good midlane with controlled backend???

thanks
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Goof1073

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Re: vertigo drilling???
« Reply #1 on: November 28, 2005, 12:44:17 PM »
Hard to say exactly what the drilling is for you without laying it out first, but it sounds like the pin would be approximately 4-1/4" from you PAP and the MB should be close to your VAL.  This drilling isn't weak by any means!  The drilling should read the midlane very well, given the pin below the fingers.  The MB being out like it is would give a hard arc look for most people.  

Again there are other factors like your spead, rotation, axis tilt, lane conditions, surfaces, etc. that play into the reaction...
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fishbowler

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Re: vertigo drilling???
« Reply #2 on: November 28, 2005, 01:00:25 PM »
I was thinking since the pin is that far over under the middle finger that might make it weak.

I am a slower spped bowler with a fairly low track.
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TECH SUPPORT

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Re: vertigo drilling???
« Reply #3 on: November 28, 2005, 03:25:22 PM »
Hmmm my pap is 5" over x 1/2" ^. My vertigo is drilled 5-1/2 pin to pap and cg in a 45* angle or 3" to pap. I get a strong arc with a mild mid lane read with out of box finish. This ball revs up really nice and has great continuation through the rack. Pin is below & between fingers.
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