Author Topic: Power Groove drilling (Read 3039 times)

qstick777 · « **on:** October 25, 2006, 12:54:33 PM »

also posted in Brunswick forum:

I have a PG with 1.8 oz top and a 0-1" pin (I'd say it's about 1/2").

I throw around 15 mph with 210-250 rpm.

What can I do with this, and what can I expect?

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RealBowler · « **Reply #1 on:** October 26, 2006, 10:54:14 PM »

Don't think you have much choice except put the pin in palm.

From what I've read, that would make the reaction more arcy, but I've read that the PG is pretty skid/snap, so I'm not sure what you can expect with that drilling.
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qstick777 · « **Reply #2 on:** October 27, 2006, 08:20:57 AM »

Yeah, that's why I asked. My last PG was very skid/snap, but it had almost 4oz of top and a 3-4" pin. If it was a symmetrical ball I wouldn't really worry about it, but since the PG is kind of a high RG ball, I don't know how that drilling would work.

Also, the pin is probably more like 1/4". I'd hate to waste the drilling and not be happy with the reaction - the ball is the Shrek LE Reactive (it's a Power Groove). If the ball isn't going to have a decent reaction I can just keep this ball undrilled and let my kid push it down the ramp when I take him bowling.

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shelley · « **Reply #3 on:** October 27, 2006, 08:32:07 AM »

Not even 2oz of top weight? I don't see why you can't put the pin just about anywhere you want to. Even if you need a weight hole, it won't be that big. There may be little difference between putting the pin at 45* vs 75* or 135*, but with that kind of top weight, don't let the possibility of a crater-sized weight hole keep you from putting the pin anywhere you want to.

SH

qstick777 · « **Reply #4 on:** October 27, 2006, 10:19:03 AM »

quote:
Not even 2oz of top weight? I don't see why you can't put the pin just about anywhere you want to. Even if you need a weight hole, it won't be that big. There may be little difference between putting the pin at 45* vs 75* or 135*, but with that kind of top weight, don't let the possibility of a crater-sized weight hole keep you from putting the pin anywhere you want to.

SH

I wasn't sure if I could put the pin above the fingers because that would also put the CG above the fingers (I know, CG doesn't matter!).

I'm not really sure what reaction I'm looking for - I already have stuff that goes long and flips, and arcy stuff that reads the midlane pretty well.

I guess I was just wondering if the ball was worth drilling, since the short pin and skid/snap characteristic seem to be contradictory.

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shelley · « **Reply #5 on:** October 27, 2006, 11:03:21 AM »

quote:
I wasn't sure if I could put the pin above the fingers because that would also put the CG above the fingers (I know, CG doesn't matter!).

Drill the fingers a little deeper, drill the thumb a little shallower (if you can). With the PG's core, you can drill the fingers 6" into the ball before you have to worry about hitting the core, if you even care about that. I think you could get away with it because you've got so little top weight.

You could always go with a really wonky weight hole, put it above the bridge.

I think part of the reason people say longer pins go longer and shorter pins go shorter is because of the restrictions they usually put on pin height. A ball with a 4" pin will probably go long more because with the normal 3-ish ounces of TW, putting it below the finger line will result in too much thumb weight. Likewise for a 1" pin ball and putting it above the fingers.

SH

qstick777 · « **Reply #6 on:** October 28, 2006, 04:26:39 PM »

Okay, so I got the ball drilled - pin is about an inch and half below ring finger (outter edge), with CG about 45 degrees toward the palm and thumb hole.

Ball is clipping the thumb at the end if the lane - I'm guessing its the thumb since there isn't any oil down there I can't tell for sure.

Anything I can do to eliminate this? Maybe one of those flare increasing or decreasing holes? I do tend to be a high tracker.
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Doug Sterner · « **Reply #7 on:** October 28, 2006, 04:51:51 PM »

I have 2 suggestiosn here. My first suggestion here is to shift the grip so that the pin and cg are about 1" right of the ring finger.

With the low top weight you won't get a huge imbalance to the fingers or the side yet will still give you something and some semblance of reaction.

Suggestion #2 is to have the ball spun on a Determinator, find the mass bias and use the pin and mass bias to lay it out.

I have seen Mo Pinel make Power Grooves do incredible things once he has the mass bias marked and laid things out.

Just my 2 cents worth....
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qstick777 · « **Reply #8 on:** October 28, 2006, 05:21:52 PM »

quote:
I have 2 suggestiosn here. My first suggestion here is to shift the grip so that the pin and cg are about 1" right of the ring finger.

With the low top weight you won't get a huge imbalance to the fingers or the side yet will still give you something and some semblance of reaction.

Suggestion #2 is to have the ball spun on a Determinator, find the mass bias and use the pin and mass bias to lay it out.

I have seen Mo Pinel make Power Grooves do incredible things once he has the mass bias marked and laid things out.

Just my 2 cents worth....
--------------------
Doug Sterner
Doug's Pro Shop
Owego, NY
http://dougsproshop@aol.com
www.dougsproshop.net
Lane 1 Buzzsaw...The Official Power Tool Of Bowling

Any way an x-hole might help? I'm just think that I've got about $80 in the ball already, plugging and re-drilling would add another $40-50. $120-130 for a power groove might make me a little bitter! Plus I don't know how close they would match the lime green color.

The reaction is pretty decent, I just get annoyed with the sound of the ball hitting the thumb. I could deal with it, but if something simple like an x-hole would fix it I would go that route.
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Doug Sterner · « **Reply #9 on:** October 28, 2006, 07:21:49 PM »

You could try and X hole 1" past and 3" below your PAP.

This may help move your track like it did for my Blue Hammer.

Good luck.
--------------------
Doug Sterner
Doug's Pro Shop
Owego, NY
http://dougsproshop@aol.com
www.dougsproshop.net
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qstick777 · « **Reply #10 on:** October 29, 2006, 09:12:40 AM »

quote:
You could try and X hole 1" past and 3" below your PAP.

This may help move your track like it did for my Blue Hammer.

Good luck.
--------------------
Doug Sterner
Doug's Pro Shop
Owego, NY
http://dougsproshop@aol.com
www.dougsproshop.net
Lane 1 Buzzsaw...The Official Power Tool Of Bowling

Thanks Doug! I'll mention that to my pro shop guy when I see him on Tuesday.

Here are pics of the ball (in case I didn't do a good job explaining the drilling):
http://pg.photos.yahoo.com/ph/qstick777/album?.dir=/38f8scd&.src=ph

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Author Topic: Power Groove drilling (Read 3039 times)

qstick777

Power Groove drilling

RealBowler

Re: Power Groove drilling

qstick777

Re: Power Groove drilling

shelley

Re: Power Groove drilling

qstick777

Re: Power Groove drilling

shelley

Re: Power Groove drilling

qstick777

Re: Power Groove drilling

Doug Sterner

Re: Power Groove drilling

qstick777

Re: Power Groove drilling

Doug Sterner

Re: Power Groove drilling

qstick777

Re: Power Groove drilling