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#58184 - 06/01/08 12:38 PM Computing RG and Diff - Excel File
TenPin_ Offline
Regional Pro Contender

Registered: 12/27/07
Posts: 505
A/S/L: 32/M/TX
A couple of months ago there was a conversation about how to determine the final RG and Diff for a ball given it's specifications and your chosen Pin to Pap distance. Thanks go to Brian Longo and cgeorg for explaining the equation in that thread (if you are interested in reading it go here http://www.bowlingcommunity.com/b/ubbthreads.php/topics/52664/Re_Laying_balls_out.html#Post52664 ).

With that info I have created an excel file that will do all the math automatically and present it in a nice way (as nice as my non-Excel brain can figure out). I have attached it here for anyone who might be interested in using it (had to zip it as the forum won't accept xls files).

I do have one question for Brian or cgeorg...I noticed the other day when inputing some numbers that I ended up with a higher Diff being computed than the ball had in it's specifications. I have read that you can actually raise the Diff in some situations (according to Mo with balance holes), but wasn't sure if this was possible to do from a layout by itself. Do I need to set a cap on the computed Diff so that it doesn't go higher than the original specifications, or is this normal?


Attachments
01 Computing RG and Diff.zip (17 downloads)

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Matt
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#58189 - 06/01/08 01:16 PM Re: Computing RG and Diff - Excel File [Re: TenPin_]
CoachJim Offline
USBC Silver Coach

Registered: 09/19/06
Posts: 4665
A/S/L: Reston, Virginia USA
I can't open the file for some reason.

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#58222 - 06/01/08 08:53 PM Re: Computing RG and Diff - Excel File [Re: CoachJim]
TenPin_ Offline
Regional Pro Contender

Registered: 12/27/07
Posts: 505
A/S/L: 32/M/TX
EDIT: Don't use the link in the first post, it won't work correctly.

Hmm, looks like the forum slightly changed the file name that caused the problem. I downloaded this one after posting and it worked for me, let me know if you still have problems with it. Is there any way to get the attachment removed from my first post?

File --> Computing RG and Diff.xls.



Edited by TenPin_ (06/01/08 09:03 PM)
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Matt
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#58231 - 06/01/08 10:43 PM Re: Computing RG and Diff - Excel File [Re: TenPin_]
CoachJim Offline
USBC Silver Coach

Registered: 09/19/06
Posts: 4665
A/S/L: Reston, Virginia USA
I was able to download it this time, and it seems to work, thank you.

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