Question: What Do The Numbers On A Bowling Ball Mean?

How do you know what size bowling ball to use?

Follow the 10% rule. A bowling ball should weigh 10 percent of your body weight (up to 16 pounds), which means you really shouldn’t be grabbing, say, an 8-pound ball if you weigh 150 pounds. You want some weight to the ball, but it shouldn’t be so heavy that it’s uncomfortable.

What does RG and differential mean in bowling balls?

In short, the RG of a bowling ball is an account of the location of that mass inside the given bowling ball. Differential of RG is the difference between the maximum and minimum Radius of Gyration. RG-differential indicates the bowling ball’s track flare potential.

What is high RG bowling ball?

Simply put, RG is when your ball begins to rev up. Low RG bowling balls rev up earlier on the lane than high RG bowling balls. Low RG bowling ball cores have more mass on the bottom of the core. High RG bowling balls rev up later on the lane. These cores have the majority of their mass located on the top of its core.

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Does a heavier bowling ball hook more?

More weight, therefore, gives you more pin action. Heavier balls also offer more effortless hooks because they move relatively slow and thus gives your ball time for hooking. On the other hand, lighter balls also reduce the strain that comes with rolling.

How many balls do you get to knock all 10 pins down?

If the bowler knocks down all 10 pins in the tenth frame, the bowler is allowed to throw 3 balls for that frame. This allows for a potential of 12 strikes in a single game, and a maximum score of 300 points, a perfect game.

What is considered a low RG bowling ball?

Low RG: 2.460” – 2.570” Med. RG: 2.570” – 2.680” High RG: 2.680” – 2.800”

What is differential on a bowling ball?

Differential is an indicator of a bowling ball’s track flare potential. Bowling balls with lower differentials are more stable, therefore generating less track flare potential. Bowling balls with higher differentials are unstable, therefore generating a much larger track flare potential.

What is bowling ball flare potential?

The bowling ball flare potential is the maximum amount a bowling ball can migrate while traveling down the lane. Flare potential can be used as an indicator for which bowling balls are best suited for certain patterns and conditions i.e. oily lane conditions (high flare) and or drier lane conditions (low flare).

What is the rule of 31?

The rule of 31 in bowling is a simple equation that takes the pattern length, subtracts it by the number 31 and leaves you with where the bowling ball should exit the pattern. For example, a house shot that is put out for most leagues is 40 feet long.

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What is a high RG?

Within that shape, RG is determined by the location of the majority of the mass. The lower the RG number, the earlier the hook. High RG means the exact opposite: the higher the number, the more length the ball will create. When we see the RG number advertised on a ball box, they provide the low RG plane number.

What is RG value?

The Rg represents the root mean square distance of the molecule’s components from the mass center of the molecule. The single Rh and Rg numbers generated by a GPC/SEC analysis are the weight average values obtained from compiling the calculated values at each data slice.

How do I choose a bowling ball core?

Some say your ball should be approximately 10 percent of your body weight, up to the maximum 16 pounds. Most pro bowlers use 16-pound balls, although more than you think use 15-pounders. Another method is to add one or two pounds to the weight of the house ball you normally use.

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