## How does RG affect a bowling ball?

Rg tells us whether the ball has the mass toward the center of the ball (low rg), toward the cover of the ball (high rg) or somewhere in between (medium rg). Low rg balls rev up quickly. Medium rg balls rev up slightly later. High rg balls lope down the lane saving the energy until later.

## What does RG differential mean?

Differential of RG is the difference between the maximum and minimum Radius of Gyration. RG-differential indicates the bowling ball’s track flare potential. These measurements describe the bowling ball flare potential rating and indicate if the flare potential is low, medium, or high.

## 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.

## What do the bowling ball numbers mean?

Bowling balls have a RG (Radius of Gyration) converted to a scale of 1-10. Mass distribution numbers describe the distribution of mass in the bowling ball. High RG numbers indicate that the balls mass is distributed more towards the cover (cover heavy) which promotes length through the heads of the bowling lane.

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## What does low RNG mean in bowling?

Low RG numbers indicate that the balls mass is distributed more towards the center (center heavy) which promotes an earlier roll through the front part of the lane. Medium RG describes sufficient bowling ball skid length to reach the mid-lane before transitioning into the hook phase of overall motion.

## What is PSA in bowling?

The preferred spin axis (PSA) on an asymmetrical ball is one of the most misunderstood topics surrounding bowling ball technology in today’s game. A majority of bowlers don’t realize how important it is and how much more the ball reaction can be fine-tuned when drilling an asymmetrical ball.

## What is an asymmetric bowling ball?

An asymmetrical core is a ball where the RG values of the Y and Z axes of the ball differ by more than 5%. It’s generally accepted that symmetrical drilled balls have a smooth, controllable motion. Asymmetrical balls can exhibit large amounts of track flare even with long pin-to-PAP (positive axis point) distances.

## What is intermediate differential bowling?

Intermediate differential – The difference in radius of gyration between the Y (high RG) and Z (intermediate RG) axes on the bowling ball. The higher the the intermediate differential the stronger a balls PSA.

## What is a benchmark bowling ball?

The benchmark ball is generally a ball that fits in the middle of your bag in terms of strength and angularity. This is to not only make it useful on a variety of conditions, but also to help you determine your environment when facing unknown conditions.

## 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).