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 Post subject: Layout Suggestions - Symmetric Cores - Medium Speed
 Posted: Sat Dec 30, 2017 12:40 am Post Number: #1 Post
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Looking for some thoughts on layouts for a symmetric core balls.

Will be using them on sport conditions, as well as THS.

Sport conditions here for senior tournaments typically are slightly flatter, heavier volume THS conditions.

My specs:
Ball Speed: 14.6 - 15.5 at pin deck
Tilt: 10
Axis Rotation: 65
PAP: 5" straight over
Revs: 280 - 320


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 Post subject: Re: Layout Suggestions - Symmetric Cores - Medium Speed
 Posted: Sat Dec 30, 2017 1:18 am Post Number: #2 Post
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rkj4243 wrote:
Looking for some thoughts on layouts for a symmetric core balls.

Will be using them on sport conditions, as well as THS.

Sport conditions here for senior tournaments typically are slightly flatter, heavier volume THS conditions.

My specs:
Ball Speed: 14.6 - 15.5 at pin deck
Tilt: 10
Axis Rotation: 65
PAP: 5" straight over
Revs: 280 - 320

I would want to know what Symmetrical ball you are considering.
Generally speaking I would be looking at a low flare set up, pin above your ring finger something like 75-5-35 on something with a differential of more than .050

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Eric Hartwell

Right Handed
PAP 4.75" up 1/2"
45* rotation
12* tilt
330 rev rate
16 mph off hand


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 Post subject: Re: Layout Suggestions - Symmetric Cores - Medium Speed
 Posted: Sat Dec 30, 2017 1:47 am Post Number: #3 Post
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Eric,

Considering these (4):

Roto Grip Dare Devil Danger
Roto Grip All Out Show Off
Radical Ridiculous Pearl
Roto Grip Hustle Ink

Should cover the conditions I may see.


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 Post subject: Re: Layout Suggestions - Symmetric Cores - Medium Speed
 Posted: Sat Dec 30, 2017 5:46 am Post Number: #4 Post
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Nothing in your list for Heavy oil, you have nothing to help burn up a line on a flatter condition.
With such a list a variety of layouts and surfaces will be needed.

Drilling angles to the Cg

Roto Grip Dare Devil Danger ............. 50-4-30 bal hole 1.5" below midline on the VAL 1000 grit
Roto Grip All Out Show Off ............... 65-4-45 P3 2000 grit
Radical Ridiculous Pearl ................... 70-5-35 4000 grit
Roto Grip Hustle Ink ........................ 65-4.75-65 balance hole 2" below midline on the VAL 2000 grit

grit references are just a suggested starting point

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Eric Hartwell

Right Handed
PAP 4.75" up 1/2"
45* rotation
12* tilt
330 rev rate
16 mph off hand


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