More aiming fodder for the cannons.

Mensabum’s cue-ball-to-pocket contact-point aiming method was argued over 150 posts here in late June 2024. Some explained how Mensabum's method was inaccurate and inferior to a parallel-shift aiming method. The two methods determined the same object-ball contact point but differed on the cue-ball contact point.

YouTuber and peace maker, @Ringo_6, advocates both aiming methods. He describes Mensabum’s method as the the most practical aiming method, See the Dot, Pot the Ball, and the parallel method as the most reliable aiming method, Master the Parallel Point Aiming.


View attachment 893882__View attachment 893883
The bottom photo I believe is correct but I dont think its even possible to make the contact points touch in the top photo. When 2 balls collide they will always be on equal parts of each ball. If you were to move the yellow ball further from the pocket in the first photo to where it is almost a 90 degree cut the contact point will be almost in the same spot (it will be the farthest point on the ball from the pocket) but the contact point on the QB would stay the same, see the problem??

Early Impressions Of The Diamond Professional

I think I will go and measure my pockets on the Diamond and the Gold Crown IV again.

When you use the "Ball Measuring Method" it appears the Diamond is about 1/8" inch larger than the GCIV. That's where you put two balls between the facings.

I'm not really how to interpret all of this pocket measuring stuff. It is what it is, I guess.
Use this link. What do you get from both tables?

Early Impressions Of The Diamond Professional

The Diamond is hardly "slightly" larger; 0.25" difference is quite a difference.

I think I will go and measure my pockets on the Diamond and the Gold Crown IV again.

When you use the "Ball Measuring Method" it appears the Diamond is about 1/8" inch larger than the GCIV. That's where you put two balls between the facings.

I'm not really sure how to interpret all of this pocket measuring stuff. It is what it is, I guess.

More aiming fodder for the cannons.

Didn’t Willie teach a similar system called the track or railroad track? The contact point on the OB was the same but the contact point on the CB was determined by using a parallel line to that of OB not line to pocket
That’s the correct method - It’s called “parallel lines” aiming for a reason. Mensabum’s inaccurate interpretation of the well known aiming method has been corrected here before.

The different CB contact points defined by the slightly different methods are often close enough together (especially on nearly straight alignments) that a small subconscious adjustment works, but...

...here’s how to know Mensabum’s non-parallel method is at least a little inaccurate: When the CB and OB are touching and aligned correctly toward the pocket, they’re both on the same CB->OB->pocket line - which, of course, is parallel with itself (see @Ringo_6’s bottom pic). How do the lines change from not-parallel when apart to parallel when together? Obviously they don’t unless “adjusted”.

pj
chgo

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