Since I have returned to bowling I have a very persistant problem. As explained to me by a local professional who operates a proshop, I ROLL the ball alot off of my hand. This causes my ball to read the midlanes very early and not reserve up enough energy (I am rev rate dominate and ball speed deficient) and I dink lots of 10pins (flat 10's). I get the very occasional bird dog (once per month). To make matters worse, I track high, have a 11.5" track circumfrance. I average 230+ and am very tired of watching what seems to be everyone around me slapping pins around like the are match sticks.

Anyway, he suggested obtaining low diff balls which would tend to lope more down the lane and jump of the backend. So, I have begun to look for low diff balls and cant find very many.

So my understanding is low diff balls flare less than higher diff balls. That being the case, would lower flaring layouts on higher diff balls have the same effect as low diff balls with higher flare layouts? And would a low flare layout put the pin closer than 3 3/8" from PAP?

I have tried all the pins over fingers and mb in the track to 45 degrees 5.5 pin lengths. Tried surface adjustments. If I was close at all with any of this I think I would have noticed. I have to do something different.


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How low of a Diff are you looking for.

Edited on 8/28/2008 9:56 AM

Along with the low diff, how abotu a high rg as well? The higher rg will allow the ball also to retain energy as it will not want to roll as soon as other stuff.

Perfect examples: Visionary Ogres. 2.59 rg (high compared to most equipment today) and a low diff of .029. The new Particle Ogre has a slightly higher diff, but only .031, and as newguy (Phil Cardinale) pointed out in the AMF or Global forum, normal runs of balls of the same ball can vary slightly between them, thus the diffs are darn close.

Also I would include:

Brunswick Avalanche 2.55 rg, .024 diff
Global 900 Link 2.59 rg, .032 diff
AMF Orbit Extreme (the new ones, not last years model)-same numbers as the Avalanches
All of the Visionary Ogres
Visionay Green Blue Centaur
Roto Grip Pluto, Saturn, Neptune

I am sure there are more, but you get the point by now.

3835

dizzyfugu,

Say it again in layman's terms using pin to pap distances and/or degree layouts. I think I understand your input but I want to be certian

Thanks so much


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Uh, the best I can tell it is that the RG diff. is a potential - that's the best way to describe this feature, IMHO. The more you have, the more flare you CAN produce with a strong pin position - and it means that the ball's rotational axis migrates quicker from your initial axis at the release (indicated by your PAP) towards its stable end axis, which either indicated by the mass bias marker or the virtual PSA which is located 6 3/4" from the pin through the CG on symmetrical core balls. But that is just waht you CAN do with the ball - if it is the best solution for you, your style etc., is another thing, and with modern balls less can be truly more (see below).

That said, when you put the pin in maximum (leverage) position, you create with a high differential a relatively quicker and stronger axis migration - this is what makes the ball hook, and not only how much, but also how early. The track flares are much further apart from each other than on a low diff core ball or with a greater pin to PAP position. It saves energy and delays the balls action throughout the lane.
For a high rev bowler, a ball with a huge differential AND a strong layout can roll out early (read: end up in its stable end axis), because it migrates too quickly. Power is simply spent too early. Here, either a weak drilling OR a lower RG diff. can be the ticket - coupled with the proper surface prep to make a complete package.

Remember: an "effective" ball is the one that just gets into its end roll before it enters the pins, and the entry angle should also be O.K., not too steep or too shallow.

Hope this clears things up a bit - pretty abstract topic!
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j_mac, Great information. I espeically like the pic of those high pins. Very intersting. And yes I track high... 1/4 off the thumb and 1" off the finger.

Absolutebowling, I agree that I should be practicing ALOT more. You nailed it when you said I am bored but for the wrong reason. I bored of a strike percentage around 50%. There is something wrong with my equipment... I often say "how much better do I have to throw it". And I am searching. I have decided to go to Kegel to work on increasing my ball speed (I am typically in the 16.5 range) As for successes, please see my profile albeit not updated in the last couple years. I really appreciate your sincerity in your repsonse.

dizzyfugu, thanks so much for reasponding. I need to do more research for sure.
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