curving an object ball....

Me too. I think the page is private.

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Nice shot John! It sure looks like you captured that curve well. I'm looking forward to Dr. Dave's comment. Love your shot execution and Dr Dave's analysis. You guys are a great combination for educating players on the art and science of pool.


Good shooting to you!
Kevin
 
I'm trying to get it on Youtube right now. Sorry about that guys.It's only showing up on my Face book. John B.
 
John Brumback said:
https://www.youtube.com/watch?v=Ls0PcLQ4TIo
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John,

Thanks for posting this. I snipped 3 frames of the video and carefully superimposed three OB position on the same photo. Here it is:

JB_bank_shot.jpg

It looks like you did get a small amount of post-rebound OB curve. It wasn't really necessary to avoid the obstacle ball, but it certainly is noticeable. As I promised, I will attempt to get similar action on my equipment (and if it doesn't work, I try some tables at the pool hall).

Thanks again,
Dave
 
John,

I'm on your side.

Are you cutting that ball right to where it would normally go long but are holding it with top right english & some speed?

Thanks,
Rick
 
dr_dave said:
John,

Thanks for posting this. I snipped 3 frames of the video and carefully superimposed three OB position on the same photo. Here it is:

JB_bank_shot.jpg

It looks like you did get a small amount of post-rebound OB curve. It wasn't really necessary to avoid the obstacle ball, but it certainly is noticeable. As I promised, I will attempt to get similar action on my equipment (and if it doesn't work, I try some tables at the pool hall).

Thanks again,
Dave
Click to expand...
I think this certainly shows that there is a certain curve to the object ball that does indeed change then angle of entry and that if the object ball happened to be a smidge the right, the curve is necessary to make this shot.

There is no question of the message that there is a better understanding of how "robust" this bank shot can be if you understand this curve.

Personally, I found this information from John Brumback eye opening.
 
dr_dave said:
It looks like you did get a small amount of post-rebound OB curve. It wasn't really necessary to avoid the obstacle ball, but it certainly is noticeable. As I promised, I will attempt to get similar action on my equipment (and if it doesn't work, I try some tables at the pool hall).

Thanks again,
Dave
Click to expand...

Freddy Bentivegna also does this shot on his DVD. I was able to do it with the ball partially blocking the bank line about an eighth of a ball. John has a straight back on his DVD where you can see the curve even without slow motion. It was a 5 ball if I recall correctly.
 
DTL said:
Put the camera over by the pocket.
Click to expand...
I would phrase that:
Thanks for the video, John. It does look like it's curving. If you have time, please redo the shot so that the ball is coming nearly straight at the camera when it leaves the cushion. That will remove any doubt that some may still have.
 
Here's a more detailed version of Dave's pic. It can be clearly seen that the OB curves more than a ball offline, beginning its curve just before reaching the blocking OB.

As Dave says, the curve isn't needed to make this shot, but it obviously could help when the blocking ball is in the way.

I don't believe any special stroke or tip placement (or side spin) is needed for this effect. Just a firm enough bank on pretty clean cloth.

Thanks, John!

pj
chgo

View attachment 95655
 

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Patrick Johnson said:
Here's a more detailed version of Dave's pic. It can be clearly seen that the OB curves more than a ball offline, beginning its curve just before reaching the blocking OB.

As Dave says, the curve isn't needed to make this shot, but it obviously could help when the blocking ball is in the way.

I don't believe any special stroke or tip placement (or side spin) is needed for this effect. Just a firm enough bank on pretty clean cloth.

Thanks, John!

pj
chgo

View attachment 95655
Click to expand...

Dr. Dave's line is a more accurate representation of how much the object ball curved imo.

The angle of the picture does not allow for accuracy when you make the line follow the path through the ball at rail and the ball in the first frame because the object ball jumps off the rail.
 
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