Is the arc of the swing like a swinging door?

[bobmac]

We often hear about the in to in swing which bottoms out at one point
So at only one position is the club arc and face going where we want it to go...like a door swinging on it's hinges only touches the frame at one place.
Please excuse the primitive drawing
The yellow spot being the golfers body and the blue line the golfers arms and club.



Now I would understand that if the golfers body didn't move as a door hinge doesn't move...

But the body does move...laterally towards the target.
It moves slightly to the back foot on the backswing and then forward towards the target in the downswing.
Would that not create a different arc than the one above, one with a slight flat spot as below (not drawn to scale)



Would be interesting to hear from anyone who has his/her weight on the back foot at impact and how it affects their accuracy.
Enjoy

 

[john0]

Is this another thread on the ball flight laws?

 

[JustOne]

As I was saying to Craphacker only last week... the top picture has ruined more golf swings than any other pic, and the bottom one is also wrong as there is no flat spot that the club will travel along. It's coming from the inside, nowhere near the 'flat spot', although the low point does change.

 

[bigslice]

way over my head. i dont think. ball club club ball hole

 

[Ethan]

Have you got one for stack and tilt?

 

[bobmac]

It's coming from the inside, nowhere near the 'flat spot', although the low point does change.

i did apologise for the drawing

 

[john0]

As I was saying to Craphacker only last week... the top picture has ruined more golf swings than any other pic, and the bottom one is also wrong as there is no flat spot that the club will travel along. It's coming from the inside, nowhere near the 'flat spot', although the low point does change.

Was Craphacker awake during this conversation?

 

[bobmac]

Science boy's head has just exploded :rofl:

 

[Twire]

You been at the paint box again Bob?

Those illustrations are great if you play baseball, but as golfers we don't stand vertical and we don't have a horizontal swing.

While we're moving laterally the club is still moving so we don't actually get a flat spot.

 

[StrangelyBrown]

In the quiet words of the Virgin Mary... come again?

 

[Mattyboy]

I have had a nasty habit of getting stuck on my right side and for me it produces a very nice snapper of a hook. Accuracy (and distance) goes out of the window. This is mainly caused by trying to hit a draw (and I think) and the subconcious thinks that I will hit the ball way right, so I try to save it. I need to set up more square with more weight on the left side (OK - thats S&T). One check is that I actually take a divot when I do this.

I always thought the object was to have the club square to the target line for longer (thereby theres more room for error).

 

[JustOne]

i did apologise for the drawing

Assuming the 'flat spot' is moving forwards with the body... so would the back part of the arc for the 'way down'......

so to draw it quickly (before I leave to play in the rain) it would be more like this.... provided you had a weight shift forwards... (no flat spot)

 

[bobmac]

Assuming the 'flat spot' is moving forwards with the body... so would the back part of the arc for the 'way down'......

so to draw it quickly (before I leave to play in the rain) it would be more like this.... provided you had a weight shift forwards... (no flat spot)

View attachment 1582

As I said, the drawing is not accurate, it was the principle I was questioning.
Does the arc of the swing behave like that of a door with a fixed hinge.
Or does the arc change as the body (hinge) moves towards the target.
I dont see how standing up or bending over would have any affect on the fact the arc will change if the centre moves.

 

[SGC001]

It's more of an ellipse than a circle, the swing centre is around the left armpit, the shoulders rotate.

The swing centre tends to shift forward and down with weight iirc (from golf perfect swing) hence the downswing been seen as narrower. (edit: the holding on of the wrist angle for longer may also play a part here, which is why sometimes with awkward backswings swings can be made relatively normally if wrists are preset, as opposed to having to pitch or chip out).

Have you been lookig at Cranfields magic circle?

 

[User20205]

View attachment 1582

you got the DT's james ??

 

[stevek1969]

Dave Pelz used to use a swinging door as an illustration in his programs on the Golf Channel a few years ago. We met him in St Andrews at the Open a few years ago, and my mate asked if he needed a joiner to fix them back to his kitchen units, he saw the funny side,haha.

 

[Alex1975]

Surly too many moving parts to the human for the curve to be that linear?!

Last year I used one of those nasty swing place machines with the rollers, its total rubbish but what it did teach me was that "for me" its easier to work off the plane that my hands are moving in than the plane that my club head is moving in. Clearly the swing plane machine is linear, whats peoples opinion of them?

 

[User20205]

The Explanar !! I used one in my last lesson, really for a warm up. I found it useful as it let me feel what a correct takeaway felt like. club outside hands and also the feeling of high hands rather than getting too flat. I'm not very technical so I need to feel what the movement is like.

 

[Alex1975]

The Explanar !! I used one in my last lesson, really for a warm up. I found it useful as it let me feel what a correct takeaway felt like. club outside hands and also the feeling of high hands rather than getting too flat. I'm not very technical so I need to feel what the movement is like.

I felt that it put my club head where it wanted to be but that my hands could be anywhere they likes, if there was another inner circle that put your hands on plane then it would be more valid. The explanar only puts one part of the club on place so the pro was always pushing my hands forward as the heavy roller let me get too inside myself.

 

[kid2]

As I said, the drawing is not accurate, it was the principle I was questioning.
Does the arc of the swing behave like that of a door with a fixed hinge.
Or does the arc change as the body (hinge) moves towards the target.
I dont see how standing up or bending over would have any affect on the fact the arc will change if the centre moves.

Bob i think that you have asked the question that i want the answer to but i wasnt really sure how to ask it....

For ages iv been reading my divots to see how my swing path is coming along....This post about the swinging door seems to make perfect sense to my swing path......My divots at times can be very prominent crescent shaped.....



This would make sense to your theory...But then there are times when they are straight...........Go figure!