Adjusting Axis Rotation

[JCasey1992]

Hi all,

I was just wondering how I adjust my axis rotation. Could somebody explain that to me and if possible, the characteristics and best uses of each adjustment?

Thanks,
Casey

[bowl1820]

Hi all,

I was just wondering how I adjust my axis rotation. Could somebody explain that to me and if possible, the characteristics and best uses of each adjustment?

Thanks,
Casey

First Axis rotation is the difference between the direction the ball is spinning and the direction that it is going down the lane, and basically is determined by how far around the side of the ball your fingers get during the release.

To keep it simple break axis rotation down to about 4 releases.

No Rotation (0-5°) you release the ball with the thumb at 12 o'clock
Would be good for the straighter shots, like shooting spares or possibly pointing at the pocket.

Minimal Rotation (15-30°) you release the ball with the thumb at between 11 & 12 o'clock
Would be good for the tighter conditions, when your playing outside, whern you would want a more even response down the lane ( like over/under conditions). In heavier oil it can help read the lane earlier.

Moderate Rotation (45°) you release the ball with the thumb at between 10 & 11 o'clock
Kind of the typical starting point, you get this with the normal handshake release.

Maximum Rotation (up to 90°) you release the ball with the thumb at 9 o'clock
For when your playing deep and you want length and the ball to come off the dry hard.

Check these links out-
Starting on page Page 6–40
Read this first USBC Bowling Ball Parts & Dynamics Chapter 6

Then this next Experimental Tip # 6: Finger-Tip Pressure to Adjust Axis Rotation2

[billf]

Bowl, how did you get the bronze cert manual in pdf?

[billf]

More technical info about releases and axis rotation
http://www.bowl4fun.com/ron/tip35.htm
http://www.bowl4fun.com/ron/tip36.htm
http://www.bowl4fun.com/ron/tip37.htm
http://www.bowl4fun.com/ron/tip38.htm
http://www.bowl4fun.com/ron/tip20.htm

Any questions just post them here and we will be glad to try to answer them all the your satisfaction

[bowl1820]

Bowl, how did you get the bronze cert manual in pdf?

I Just Googled it. Several places have it, But You can only get chapters 6-7-8.

[billf]

Ok, thank you. It just seems like a lot of work to scan the whole manual but it looks like my best option.

[bowl1820]

Ok, thank you. It just seems like a lot of work to scan the whole manual but it looks like my best option.

What do you just have a hard copy? and not the disk version. If you have the whole manual on pdf, there's programs that will let you split it into individual chapters.

[nev]

If you have the whole manual on pdf, .

Care to share

[billf]

I will supposedly be getting a hard copy of it July 13th when I take the class

[TheSheibs]

I had the pro shop guy who drilled the ball I currently use show me the differences doing this. It is amazing how moving your hand to the side any degree amount changes just how much the ball curves. I have noticed that I can do this type of adjustment while having the same start position if my ball is curving too much or too little. I believe this is a necessary tool to have in your tool box.