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Posted
Very nice!
In my bag:

Driver: FT-5, 9° stiff
Wood: Big Bertha 3W/5W
Irons: X-20 TourWedges: X Tour 52°/56°Hybrids: Idea Pro 2/3/4Putter: Black Series #2Ball: NXT Extreme/NXT Tour
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Posted
When we get cameras with high resolution and high frame rate, things would start getting really nice.

Good HD videos, but the photographer should've brought a tripod to keep it steady.

Ogio Grom | Callaway X Hot Pro | Callaway X-Utility 3i | Mizuno MX-700 23º | Titleist Vokey SM 52.08, 58.12 | Mizuno MX-700 15º | Titleist 910 D2 9,5º | Scotty Cameron Newport 2 | Titleist Pro V1x and Taylormade Penta | Leupold GX-1

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Posted
Here is another good website for pro's swings: http://www.pgatour.com/swingplex/02/45/02/index.html It isn't hi-def but it is slow motion and it is pretty easy to stop it where you want to, unlike YouTube.

In my bag:

Driver: Titleist TSi3 | 15º 3-Wood: Ping G410 | 17º 2-Hybrid: Ping G410 | 19º 3-Iron: TaylorMade GAPR Lo |4-PW Irons: Nike VR Pro Combo | 54º SW, 60º LW: Titleist Vokey SM8 | Putter: Odyssey Toulon Las Vegas H7

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Posted
Scrolling in videos is not good at Youtube. If I want to analyze a video or look at some static positions, I download it with Youtube Downloader HD and open it with Quicktime, which is quite excellent at moving frame by frame.

I've been looking for an official Swingplex site before, without any luck, that one was quite good. Thanks jamo.

Ogio Grom | Callaway X Hot Pro | Callaway X-Utility 3i | Mizuno MX-700 23º | Titleist Vokey SM 52.08, 58.12 | Mizuno MX-700 15º | Titleist 910 D2 9,5º | Scotty Cameron Newport 2 | Titleist Pro V1x and Taylormade Penta | Leupold GX-1

Awards, Achievements, and Accolades

Posted
  Zeph said:
I've been looking for an official Swingplex site before, without any luck, that one was quite good. Thanks jamo.

You're welcome, but i shouldn't take all of the credit because I think I found it from someone else's post on the forum a year or so ago. I hate how you can't watch YouTube frame-by-frame, and I too download videos from there to watch on Quicktime, but this is easier than downloading them for watching Pro's swings.

In my bag:

Driver: Titleist TSi3 | 15º 3-Wood: Ping G410 | 17º 2-Hybrid: Ping G410 | 19º 3-Iron: TaylorMade GAPR Lo |4-PW Irons: Nike VR Pro Combo | 54º SW, 60º LW: Titleist Vokey SM8 | Putter: Odyssey Toulon Las Vegas H7

Awards, Achievements, and Accolades

Note: This thread is 5568 days old. We appreciate that you found this thread instead of starting a new one, but if you plan to post here please make sure it's still relevant. If not, please start a new topic. Thank you!

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  • Posts

    • Day 296 - 2025-07-23 Got a good hour+ of work in after a few lessons on my off day today. 😉 Recorded some, had mirrors in both places FO/DL. Same stuff, but made sure the right knee was fine.
    • Skill work/clubface control. And…
    • That's not always true. I can apply a force perpendicular to the club… through the center of mass. No rotation. 😉 You don't "apply" a torque. A torque is a result of the force away from the COM. And, per the above, it's not exclusive of the translational motion. Nit-picky, yes. But if we're gonna talk about physics, let's actually talk about physics, and not the ninth grade version of it. I know what you mean, but again, getting terminology right is a big part of this. It's not "behind" the hands exactly as it's already kicked out a little (mostly at that point because  the hands have already slowed a little). They don't really pull up much. They just continue around their arc. The upward pulling here is small. You've seen resultant forces, but may be confusing "holding onto the grip" with how much the hands actually pull upward. To say it another way, you may be confusing the force and the counter force that stops the club from slipping out of your hands. No, because that would be a silly way to look at it given that the golfer is not only holding onto the club  but continuing to push the handle forward, too. Poorly, yes. See above.
    • I just hate when I make half swings I can’t f***** control face or path. F****** half swing back, arms down feeling and block it 30 f****** yards right with a fade.  I can’t even join my game out here at least I have nice views
    • Okay - I'm going to try this again from the top. While that may not be what I said, it is what I meant, although it appears I didn't express it very clearly. The hands apply forces and torques to the club throughout the swing. Any force applied to something like a club can be broken down into the portion of the force that is perpendicular to the shaft and the portion that is parallel to the shaft. The part that is perpendicular to it is applying a torque to the club, which will cause its rotation to change. In a similar fashion, we can look at the club as the sum of two different sets of motion. One of those is how the COM of the club is moving through space. That is affected by all the forces applied to the club, be they from the hands or gravity or the ground or the ball or the air - I think that's about it. The hands in a full swing are going to be the vast majority of those forces. Then the change in location of the COM (translational motion I think it's called) is caused by the net of all the forces applying to it. The perpendicular portion of the force is the only one that matters for rotational motion. That can be considered exclusive of the translational motion. Rotational motion will change with torques applied and can be contemplated on its own. From P6 to P7, you start with the club lagging behind the hands. The hands then pull up (among other things), which is a force applied to the club, not directly through the COM of the club. That means that a torque is being applied to the club by the hands. One which will cause the club to rotate around its COM if we are exclusively looking at the rotational motion. And so, in that sense, the club is rotating around it's COM. That's the part of the motion that I was trying to describe originally. That upward force from the hands is also going to be accelerating the COM around the swing arc due to the net effect of the forces applied to it.  Then, the combined effect of the forces and torques may be to cause the club to rotate around something else in a different reference frame. You can draw a line up the shaft of the club in each frame of video around impact and the point where those lines meet is roughly the center of rotation of the club in the static frame. That center of rotation is also moving through time as you'll see the point where the lines meet is rarely going to remain in the same spot. In any case, this is a different rotation from what I was trying to talk about previously. 
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