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Question about Tour AD shaft chart


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4 hours ago, Donn lost in San Diego said:

Doesn't the shaft mfgr use robo hitting machine to isolate all othr variables?  I think it is good for GD to make this chart showing what their controlled tests do.  They engineer and make differnet shafts to achieve diff goals.  They know the bend profile of their models that they design.  I would think it make a good starting point, like the Ping Lie angle color codes.  A guide, not a handcuff.  The 4 section number chart that Miyazaki/XXIO etc. use tells me more than just S/R/A flex.


... Great post Donn. Almost everything with golf is just a starting point because we are individuals. An AD-DI can produce radically different results if you are a swinger or a hitter and have a +3 or -3 AOA using a 9* low spin head or 10.5* higher spinning head. That's just 3 variables that could put someone in a completely different shaft. Just go to a quality fitting facility and take a peek at the available shafts. Once a fitter has a starting point the selections are reduced by maybe 75% and that's still a ton of shafts to choose from. 

Driver:     :taylormade-small:    Qi10 10.5* ... Ventus Red Velocore 5R
Fairway:  :taylormade-small:    Qi10 5 wood ... Kai'li Blue 60R
Hybrids:  :ping-small:        430 Hybrid 22*... Diamana LTD 65r  
                  :taylormade-small:    DHy #4 ... Steelfiber 780Hy  
Irons:       :titleist-small:           '23 T200 5-Pw ... Steelfiber i95r
Wedges:  :titleist-small:           Vokey 50*/54*/58* ... Steelfiber i95r
Putter:     :cobra-small:    Sport-60 33" 
Ball:           Maxfli/:taylormade-small:  Maxfli Tour/TP5x

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  • 3 months later...
On 11/28/2023 at 8:37 PM, KC Golf said:


Another chart from Japan.  Draw / Fade vs Low / High launch.  With Tiger using this with his TaylorMade QI-10, the VF orders will be off the charts!

For those of you that game a GD shaft, do you agree with this chart for your shaft?

image.png.04da3f72ef9e45c374a6ced580ad076e.png Driver: Aerojet LS (9.0)

image.png.47d8335a6ed74f5ce323f36dde1e64f5.pngMini Driver: BRNR Mini Driver (13.5)

 default_callaway-small.jpg.4e22e166ebf0a736dfc257554f147efe.jpg X Forged Utility 18 degree 2 iron

default_callaway-small.jpg.4e22e166ebf0a736dfc257554f147efe.jpg Apex X Forged CB (4-6)

 image.png.04da3f72ef9e45c374a6ced580ad076e.png PW: MB 7 - RF 

 default_vokey-small.gif.7343a5ce0d53f6f6b215377d00e5563f.gif Wedges: 52|08F , 56|12D , 60|10S , SM9 Jet Black

photo-203973.jpg.72b2eb1ed527f5bfef6c6f39d952c2f0.jpg Putter: 2015 Queen B 6

image.png  V2 Bag

Ball: Still Searching for My Perfect Gamer

Previously Tested: BirdieBall 2-In-1 Putting/Hitting Mat

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1 hour ago, Dooby said:

For those of you that game a GD shaft, do you agree with this chart for your shaft?

No. Because it’s all dependent on how a person swings as to what happens with the ball flight. I’ve seen a hzrdus black get launched high and I’ve seen them spin high because of where contact on the face occurs.

How and when one releases will have a bigger impact than what the shaft manufactures label a shaft as.

Theres enough info out there from respected fitters and other experts. Wishon, Tuttleman, Howard jones that debunk a lot of golf myths that just won’t die.

Personal example IZ spun and launched lower for me than the AD DI

a little info from Tom Wishon.

Shaft Myth #4 – The shaft is a key element for the amount of backspin imparted on a shot

That can be true. . . but only if you are a golfer who unhinges your wrist-**** angle late in the downswing and you have a clubhead speed north of 100 mph with the driver. If you are a golfer with a late release and a clubhead speed in the area of 85mph, the shaft is only going to have a small effect on backspin. And if you are a golfer with an early release, no matter what your clubhead speed, the amount of backspin you put on the shot is purely going to be determined by your clubhead speed, your angle of attack into the ball, the loft of your driver and where on the face you made contact with the ball. 

It is very common for companies to market shafts as having spin characteristics – “low, medium or high spin” in their design. The problem is that it takes a very specific type of swing characteristic to even allow the shaft to have any effect whatsoever on the amount of spin imparted on the shot. That swing move is when you unhinge your wrist-**** angle to release the club during the downswing. In short, the later you hold onto the wrist-**** angle on the downswing, and the higher your clubhead speed, the more the shaft could have an effect on the backspin of the shot. 

Here’s why, and here’s how shafts may or may not have a bearing on the amount of spin on a shot. First of all, keep in mind that only three things determine the amount of backspin on a shot – clubhead speed, the dynamic loft on the clubface at the point of impact, and the point of impact in relation to the center of gravity of the clubhead. (Angle of attack is a part of the dynamic loft) The higher the clubhead speed, the higher will be the spin for any given loft angle, the higher the loft on the clubhead at the moment of impact, and the lower the point of impact in relation to the CG, the greater will be the amount of backspin. Vice versa applies to these things for less spin. 

But let’s talk about how the swing gets involved in all of this to be able to potentially interact with the club to have an effect on spin. Let’s say we’ve all made our backswing and we have the club positioned at the top, ready to swing down to the ball. From the moment the club starts down, for as long as we retain and hold our wrist-**** angle between our arms and the shaft, the arms and the club are accelerating at the same rate and the arms and club are both moving at the same velocity. 

The split-second we start to unhinge the wrist-**** angle, the arms begin to slow down while the club begins to accelerate to a higher velocity. Because the arms are slowing down while holding on to the club, the faster moving clubhead starts to push against the shaft that is being held back by the hands and the shaft begins to flex forward. The more flexible the design of the shaft and/or the more tip flexible the design of the shaft, the more the shaft could flex forward at impact and from it, have more of an effect on launch angle, trajectory and spin. 

If the golfer happens to hold the wrist-**** angle until very late in the downswing, the forward flexing of the shaft happens right when the clubhead meets the ball. If the shaft comes to impact flexed forward, this forward curve of the shaft increases the loft on the clubhead at impact – which in turn increases the launch angle AND increases the amount of backspin put on the shot. When shaft companies say this or that shaft is a “low spin design”, what they mean is that the shaft is designed to either be stiffer overall, or, stiffer in the tip section of the shaft. Stiffer shaft means less forward bending before impact, which means less of a loft increase at impact on the clubhead. . . but ONLY for a player with a later to very late unhinging of the wrist-**** angle on the downswing. 

On the other hand, if the golfer unhinges the wrist-**** angle early on the downswing, all this forward flexing of the shaft happens well before impact. Thus for the early release golfer, by the time the clubhead gets to the ball, the shaft will have had time to flex back to a virtual straight position. That’s why for early release golfers, the shaft cannot have any additional effect on the dynamic loft on the clubhead and the amount of spin on the shot.


Driver: PXG 0811 X+ Proto w/UST Helium 5F4

Wood: TaylorMade M5 5W w/Accra TZ5 +1/2”, TaylorMade Sim 3W w/Aldila rogue white

Hybrid: PXG Gen2 22* w/AD hybrid

Irons: PXG Gen3 0311T w/Nippon modus 120

Wedges: TaylorMade MG2 50*, Tiger grind 56/60

Putter: Scotty Caemeron Super Rat1

Ball: Titleist Prov1

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2 hours ago, Dooby said:

For those of you that game a GD shaft, do you agree with this chart for your shaft?

 Not even a little bit, I play a DI in my 5 wood and MJ (CQ) in my driver. Neither perform how that charts says. Keep in mind, the entire GD Tour AD lineup is a “mid/mid” line. They plot themselves against their own benchmarks, not other companies. They’re unreal shafts if you’re fit into them, and generally you would be able to play anything in their lineup if you’re fit into GD.

I like golf. You should like golf. If life is tough, play more golf!

Callaway Paradym Triple Diamond 10.5, ProjectX HZRDUS Smoke Black

Titleist TSi2 18 Degree Hybrid, Project X HZRDUS Smoke Black RDX Hexcel

Takomo 301CB's, KBS Tours S

Vokey SM8 48 10F, 52 08F, 56 08M, 60 08M

Odyssey Stroke Lab 2 Ball 10 

Nike VR Tour Staff Bag

Titleist Pro V1x and Vice Pro Plus


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  • 2 weeks later...

For Fun,

here are most of the GD AD 60-gram S flex family of shafts, using the AD GT has a base line:


Club Fitter/Builder (Wishon)

719MW  11* Red R Shaft - 919THI 11* Black S 65 shaft 
EQ1-NX 3, 927HS 5, 7 woods Red R-Flex
797HS 4 & 5 Red R Shaft 
585's, EQ1-NX, 550 combo, 575's, 565's various shafts
20+ wedges! Wishon Cavity Black CB4 putter

Willy, Bridgy, Srixy Balls

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