The image below shows OB fractions for various pocket angles from 7 to 38 degrees. The 8th ball fractions come off of both sides of the OB center & both sides of the OB edges.
The image above also shows the OB fractional aiming points for each of the 4 ball quarters and for the 1/8 ball cut angles when aiming through center CB.
The aim points on the drawing above are for Center Cue Ball aiming... and not for using the ball overlaps that I had drawn on my previous thread... Ball overlaps with pictures... http://forums.azbilliards.com/showpost.php?p=5799633&postcount=1... That thread is also an informative read.
The reason I didn't draw ball overlaps this time is because fractional aiming, using only CB/OB overlaps, is guesswork at best when aiming at longer distances. OB diameters not only look to be smaller, but the guess for the true overlap is compromised... especially if sidespin is used.
The OB will travel the angles shown if the CB center is aimed at the OB aim points drawn on the image. The .280 angles are from both sides of OB center and OB edges. Those known aim points can be used to judge CB deflection (squirt) when sidespin needs to be used. The fractional OB points will guide you.
Aim to hit your fractional aim point using Center CB... Adjust and allow for CB squirt by aiming slightly right when using left side... or aim slightly left when using right side... You'll soon know how much your cue deflects, and how much you'll need to adjust for squirt to hit the fractions at different speeds.
If you aim CP2CP or DTD these aim points should be recognized also. Someone told me by aiming to hit center CB at those fractional points on the OB that he couldn't judge the tangent line. I said to pick out a stun line aim point on the rail and hit the OB fractions at stop shot speed. He is now a believer.
Play well, Carl
.
The image above also shows the OB fractional aiming points for each of the 4 ball quarters and for the 1/8 ball cut angles when aiming through center CB.
The aim points on the drawing above are for Center Cue Ball aiming... and not for using the ball overlaps that I had drawn on my previous thread... Ball overlaps with pictures... http://forums.azbilliards.com/showpost.php?p=5799633&postcount=1... That thread is also an informative read.
The reason I didn't draw ball overlaps this time is because fractional aiming, using only CB/OB overlaps, is guesswork at best when aiming at longer distances. OB diameters not only look to be smaller, but the guess for the true overlap is compromised... especially if sidespin is used.
The OB will travel the angles shown if the CB center is aimed at the OB aim points drawn on the image. The .280 angles are from both sides of OB center and OB edges. Those known aim points can be used to judge CB deflection (squirt) when sidespin needs to be used. The fractional OB points will guide you.
Aim to hit your fractional aim point using Center CB... Adjust and allow for CB squirt by aiming slightly right when using left side... or aim slightly left when using right side... You'll soon know how much your cue deflects, and how much you'll need to adjust for squirt to hit the fractions at different speeds.
If you aim CP2CP or DTD these aim points should be recognized also. Someone told me by aiming to hit center CB at those fractional points on the OB that he couldn't judge the tangent line. I said to pick out a stun line aim point on the rail and hit the OB fractions at stop shot speed. He is now a believer.
Play well, Carl
.
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