hi Jeremy,
after thinking again I think I really got it now!!
when I have a setup like I want, when I draw a circle around the PAP, basically (only first of all) I can drill my holes *anywhere* on that circle, it will always result on the same. The PAP will stay the PAP, therefore the ball will roll down the lane in about always the same manner (at the beginning).
The only difference in the manner of where I drill my holes around that circle, is, *there* where I drill, I loose weight!. and that actually matters somebit. Not drilling around the CG would increase the Top Weight (as refered here:
http://www.bowlingfans.com/jeff/ballreactionbasics.html ) or so.
So I'm pretty sure I know now how to drill.
Thanks again for taking the time helping me,
marco (aka calmar)
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http://www.calmar.wsEdited on 11/23/2006 6:10 AM