What is the Angle of this Shot?

[BeiberLvr]

Screenshots are from this VIDEO of Stephen Hendry making a 147.

The shot in question is a thin back cut on the black early on in the run. I've seen it come up before, and it always amazes me how easily they make it look.

Does anyone know the approximate angle of the cut here? Does the camera just make it look more difficult?

 

[Patrick Johnson]

Just eyeballing it...

A 90 degree cut would hit near the red ball at the rail, so probably less than 60 degrees.

pj
chgo

 

[(((Satori)))]

Looks to be about 35•

 

[pt109]

Screenshots are from this VIDEO of Stephen Hendry making a 147.

The shot in question is a thin back cut on the black early on in the run. I've seen it come up before, and it always amazes me how easily they make it look.

Does anyone know the approximate angle of the cut here? Does the camera just make it look more difficult?

I don't know the math on this shot....but I can tell you that if you roll the black in....
....and there are no obstructions....
...the cue ball will drop into the side pocket.

 

[slach]

It's about 48 degrees according to the pool shot analyzer app.

 

[oldschool1478]

"I don't know the math on this shot....but I can tell you that if you roll the black in....
....and there are no obstructions....
...the cue ball will drop into the side pocket."

You obviously did not watch the video.

 

[Ralph Kramden]

"I don't know the math on this shot....but I can tell you that if you roll the black in....
....and there are no obstructions....
...the cue ball will drop into the side pocket."

You obviously did not watch the video.

I think the shot is at 2:40 on the video.

.

 

[TheBook]

It's about 48 degrees according to the pool shot analyzer app.

Where did you get that app.

Thanks

 

[ENGLISH!]

It's just like that angle shot anywhere else on the table except the pocket opening is different as it is for many shots.

What I think many do & forget is that they hit it soft & forget about the collision induced through or "push" as I use to call it before being crucified for speaking such scientific blasphemy.

One may not want to hit it hard because the cue ball is being turned loose & sent around the table.

So, an option is to hit it with outside english to counter the CIT or hitting it softer with more spin & throw it in which allows for a bit more full of a hit.

I'm talking pool table & not snooker.

It's not that difficult to even just cut it in but keep the CIT in mind if hitting it softly.

 

[slach]

Where did you get that app.

Thanks

You can get it from the Downloads page of QMD website (www.cue-md.com). The app's setup for a standard 9' pool table, so the pocket sizes, distances, etc. won't be right for snooker but the angles will be.

 

[pt109]

"I don't know the math on this shot....but I can tell you that if you roll the black in....
....and there are no obstructions....
...the cue ball will drop into the side pocket."

You obviously did not watch the video.

It's true.....I looked at the picture only....maybe you should also.
There is a red ball blocking the cue ball from going in the side pocket....
...but if you set this shot up on a snooker table...6x12...you'll see what I mean.

 

[Patrick Johnson]

Does anyone know the approximate angle of the cut here? Does the camera just make it look more difficult?

Looking at it more carefully, I think it's not much more than 45 degrees (about a 1/4 ball cut).

Yes, the camera makes it look more difficult, but "back cuts" like that are more difficult than other shots anyway - because you don't have the usual visual cues from the rails. That's been discussed a few times here.

pj
chgo

 

[Jal]

...
One may not want to hit it hard because the cue ball is being turned loose & sent around the table.

So, an option is to hit it with outside english to counter the CIT or hitting it softer with more spin & throw it in which allows for a bit more full of a hit.
...

Rick,

That's one of the myths in which a good piece of paper and a sharp pencil can be employed for the purpose of debunking. The spin induced throw that allows you to make a fuller hit and therefore, putatively, reduces the CB's post-impact velocity because of the fuller hit, withdraws the favor and speeds up the CB accordingly (equal and opposite friction forces).

You can get some useful reduction when the balls are very close to each other, however, because of the smaller approach angle (ghostball angle) from the fuller hit. But when the balls are separated well beyond, say, six inches...to pick a number, and especially at larger cut angles, the effect is practically nil.

Jim

 

[Cornerman]

Screenshots are from this VIDEO of Stephen Hendry making a 147.

The shot in question is a thin back cut on the black early on in the run. I've seen it come up before, and it always amazes me how easily they make it look.

Does anyone know the approximate angle of the cut here? Does the camera just make it look more difficult?

If you draw a straight shot at the black into the long rail (0 degrees), and draw a 90 degree cut (towards the red), you can approximate where 45 degrees is (bisect the angle).

Look a little bigger than 45 degrees. So, somewhere around 53.72 degrees?

 

[randyg]

66 degrees.

randyg

 

[ENGLISH!]

Rick,

That's one of the myths in which a good piece of paper and a sharp pencil can be employed for the purpose of debunking. The spin induced throw that allows you to make a fuller hit and therefore, putatively, reduces the CB's post-impact velocity because of the fuller hit, withdraws the favor and speeds up the CB accordingly (equal and opposite friction forces).

You can get some useful reduction when the balls are very close to each other, however, because of the smaller approach angle (ghostball angle) from the fuller hit. But when the balls are separated well beyond, say, six inches...to pick a number, and especially at larger cut angles, the effect is practically nil.

Jim

Jim,

Practically nil can be huge & the difference between a mis & a make & the amount of the nil depends on the amount of spin & the ratio to speed.

I am fairly sure that Bob Jewett's spot cut back shot had some outside english on it, but I am not sure, it may have had a bit of table lean to it too.

Rick

 

[Bob Jewett]

... I am fairly sure that Bob Jewett's spot cut back shot had some outside english on it, but I am not sure, it may have had a bit of table lean to it too. ...

The cue ball had more outside english than the vast majority of pool players ever get on the cue ball intentionally. But more or less standard spin for carom players. And the OB was dirty. The cut angle was about 93 degrees.

 

[Scaramouche]

Just like any other shot:
Identify the point on the object ball that has to contact to make it go to the pocket
Hit that spot with the cue ball
:grin:

Hendry loves to open up the reds off that black.
With his second black he knocked three reds out of the pack.
On his third black he knocked another red out near the pink.
That is how he keeps runs going and his opponent sitting.

As Stephen says:
If you can't kick you opponent when he's down, where's the fun in it?

 

[Black-Balled]

I don't do so smart wit nummers and stuff...but one does have to recall that to a player of that level, it is easy.

Ya dont play well if you don't drop that ball a high % of the time.

 

[bbb]

ok
lets assume someone gave you the perfect answer to the angle
now what???
just askin