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 Post subject: No balance hole alternatives
 Posted: Sat May 26, 2018 6:45 pm Post Number: #1 Post
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If you want a smaller drill angle, it usually meant needing a balance hole to get the static weight right. With no balance hole any more, how do you get the smaller drill angle effect? Thanks!

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Left Handed, Stroker, 15 lb
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~18* tilt
250-260 RPM
14-15 mph off hand

Benchmark Layout: 45 x 4 x 45


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 Post subject: Re: No balance hole alternatives
 Posted: Sat May 26, 2018 7:10 pm Post Number: #2 Post
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todvan wrote:
If you want a smaller drill angle, it usually meant needing a balance hole to get the static weight right. With no balance hole any more, how do you get the smaller drill angle effect? Thanks!

Buy an Asymmetrical ball.

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


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 Post subject: Re: No balance hole alternatives
 Posted: Sat May 26, 2018 9:34 pm Post Number: #3 Post
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todvan wrote:
If you want a smaller drill angle, it usually meant needing a balance hole to get the static weight right. With no balance hole any more, how do you get the smaller drill angle effect? Thanks!

With the allowances of 3oz side weight, you should be ok to use smaller drill angles on an asymm ball.

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 Post subject: Re: No balance hole alternatives
 Posted: Sun May 27, 2018 12:39 am Post Number: #4 Post
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But for people who need lower ratios and smaller angle sums, symmetric balls are no longer an option ?

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Left Handed, Stroker, 15 lb
PAP 4.7" up 1/2"
~65* rotation
~18* tilt
250-260 RPM
14-15 mph off hand

Benchmark Layout: 45 x 4 x 45


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 Post subject: Re: No balance hole alternatives
 Posted: Sun May 27, 2018 4:50 am Post Number: #5 Post
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todvan wrote:
But for people who need lower ratios and smaller angle sums, symmetric balls are no longer an option ?


I guess it depends on how low the ratios and sums need to be.

After drilling a symmetric, the MB/PSA ends up in/near the thumb, so the effective drill angle is fairly large - unless you can stick a big balance hole near the VAL to shift the MB/PSA and reduce the drill angle.

Without that balance hole you may not be able to get the lower sum and ratio you desire. You may still be able to get an early, controllable reaction with surface and using a higher flaring pin position. Or an asym, as recommended.

Steve

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18-19 mph (15.5-16.5 on monitor), 375 rpm, PAP 5 1/2 x 3/8 up, AT: 12*, AR: 45*


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