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Author Topic: Drilling Advise On A Bonanza GP2, Please  (Read 1714 times)

MI 2 AZ

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Drilling Advise On A Bonanza GP2, Please
« on: March 17, 2005, 02:34:32 PM »
I picked up a Bonanza GP2, top wt 4 oz, pin 4-3/4.  My PAP is 4-3/8 right and 5/8 up.  RH, slow ball speed, low revs.

What would some drilling options be for this and the expected reactions?

To give an idea of what I am seeing with a Track ball, I have a Thrash  drilled 2-5/8 x 3-3/8 and it gets good length with a mellow arcing finish and great carry if I can hit the pocket.
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C-G ProShop-Carl

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Re: Drilling Advise On A Bonanza GP2, Please
« Reply #1 on: March 17, 2005, 10:36:49 PM »
First off, if the MB is not marked I would find a pro shop near you that has a determinator. If you drill it up and do not know where the MB is then the reaction you are going to get is going to be a crapshoot.
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Carl Hurd

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MI 2 AZ

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Re: Drilling Advise On A Bonanza GP2, Please
« Reply #2 on: March 17, 2005, 10:55:00 PM »
I know there isnt one in town.  Maybe in Tucson but I will have to call around.
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__________________________________

I just want 2C was'zzub.
____________________________________

I am the SGT Schultz of bowling.
"I know nothing! I see nothing! NOTHING!"
________________________________________
Logged
_________________________________________
Six decades of league bowling and still learning.

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tenpinspro

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Re: Drilling Advise On A Bonanza GP2, Please
« Reply #3 on: March 18, 2005, 05:33:49 AM »
quote:
I picked up a Bonanza GP2, top wt 4 oz, pin 4-3/4. My PAP is 4-3/8 right and 5/8 up. RH, slow ball speed, low revs.

What would some drilling options be for this and the expected reactions?

To give an idea of what I am seeing with a Track ball, I have a Thrash drilled 2-5/8 x 3-3/8 and it gets good length with a mellow arcing finish and great carry if I can hit the pocket.


Ex is definitely correct on the mb statement but what did I miss?  I don't see anywhere where you say the mb logo was missing....was it in a pm to Ex?  Then again, I'm on my second hit of Nyquil so my eyes are getting fuzzy...
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C-G ProShop-Carl

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Re: Drilling Advise On A Bonanza GP2, Please
« Reply #4 on: March 18, 2005, 08:22:54 AM »
Tenpinspro,

90% of the time they do not mark the MBs on the bonanzas.

-EX-
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MI 2 AZ

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Re: Drilling Advise On A Bonanza GP2, Please
« Reply #5 on: March 18, 2005, 05:48:14 PM »
Proshop in town doesnt have a determinator.  One in Tucson that I called has one but only for their use when you buy a ball from them.  They did say that I could find the mass bias by going 6-3/4 inches from the pin thru the CG.

So now that I know the location of the mass bias, what next?
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I just want 2C was'zzub.
____________________________________

I am the SGT Schultz of bowling.
"I know nothing! I see nothing! NOTHING!"
________________________________________


Edited on 3/18/2005 6:54 PM
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icetink

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Re: Drilling Advise On A Bonanza GP2, Please
« Reply #6 on: March 18, 2005, 07:17:45 PM »
quote:
They did say that I could find the mass bias by going 6-3/4 inches from the pin thru the CG.


I don't think that's exactly perfect, especially considering the ball is a Bonanza.  I have first quality balls and the CG isn't exactly centre when drawing a line from the pin to the mass bias.
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Edited on 3/18/2005 8:12 PM
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thfonz98

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Re: Drilling Advise On A Bonanza GP2, Please
« Reply #7 on: March 18, 2005, 07:22:28 PM »
yeah the MBs can be off a tad, ive got a xfactor that the cg is off the line from the rad to pin a good inch+ but it collects dust so i dont care about it.
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Edited on 3/18/2005 8:18 PM
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C-G ProShop-Carl

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Re: Drilling Advise On A Bonanza GP2, Please
« Reply #8 on: March 18, 2005, 10:09:46 PM »
If you are willing to pay them they will spin it for you.

Going from pin through CG is not accurate for finding these MBs.

-EX-
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tenpinspro

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Re: Drilling Advise On A Bonanza GP2, Please
« Reply #9 on: March 19, 2005, 12:17:03 PM »
Hey MI 2,

It really isn't safe to just "assume" that the mass bias is 6 3/4 away thru pin and cg.  That's why the "better" manufacturer's advertise that their balls are pre-spun from factory to locate their mb's.
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MI 2 AZ

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Re: Drilling Advise On A Bonanza GP2, Please
« Reply #10 on: March 19, 2005, 01:06:21 PM »
Thanks for the replies.

I did ask the proshop in Tucson how much they wanted to spin a ball for me but they did not answer with a price.  That is when they told me to go 6-3/4 from the pin.

The state tournament will be held in Tucson in June so I can always try to bring it up and look for a proshop then.
--------------------

__________________________________

I just want 2C was'zzub.
____________________________________

I am the SGT Schultz of bowling.
"I know nothing! I see nothing! NOTHING!"
________________________________________
Logged
_________________________________________
Six decades of league bowling and still learning.

ABC/USBC Lifetime Member since Aug 1995.
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