QuestionI was wondering if you can help me understand the difference in having a higher rg ball vs. having a lower rg ball with a high rg drilling (pin on track or by the track).
Thanks,
Erik
Answer
www.TrueBowlerAdjustme
Hi Erik, Radius of Gyration(RG) in this case is referring to how far the ball travels down lane before making it's turn to the pocket. The assumption on my part is that you are familiar with Differential RG Core Values and how they are achieved. A great topic for high level bowlers.
With two identical differentials or cores, the ball with the inherent High RG, will travel farther down the lane before turning.
The second ball you speak of is the Low RG ball. Again, given the same differentials or core, this ball will turn sooner by design.
A low RG ball pinned near the track will go further than the specified low RG in relation to it's core or differential, if the ball gets pinned near the track.
This low RG ball which is supposed to turn sooner, may even roll over the finger and thumb holes. Another twist to this situation of drilling a low RG ball in a High RG position, you may even turn a hook ball into a straight ball depending on the core differential, the bowler's release, and the lane oil condition.
This "going longer effect" on a low RG ball "may" cause the ball to travel longer and increase the hook phase of the ball beyond what you truly need, causing the ball to land behind the headpin and leave 10 pin, after 10 pin, after 10 pin!
In summary Erik, low RG's normally turn sooner, High RG's turn later. Getting the right ball for your particular lane condition is the first step to succeeding on any lane condition, especially a house shot. Often when someone alters the dynamics of ball reaction the change should fit the style of the bowler.
In short, a true bowler is use to seeing a particular look on the ball as it travels down lane. Knowing how the layout will change the look of the delivered ball may give you an awesome edge when conditions break down. Especially, when you need a ball that won't hook too soon or roll too early.
Take care and best of luck with your game Erik.
-Coach Gary
Las Vegas, NV.
www.TrueBowlerAdjustments.com (It's A Great Bowling Book!)
