Simple expination:
When a shaft is made its pocess isn't perfect so you find that it will have some inconsistancy with its motion. Imagine a shaft clamped on the grip end and oscillating in a circle rather then a perfect back and forth motion. When you spine/pure a shaft you will find its heavy point and most consistant point and place it pointing down the fairway so the energy transfer (kick) is more consistant giving you a better chance at a straighter shot.
Most "standard" stock shafts and cheaper made shafts will offer a bigger inconsistancy (spine) so it helps to have every shaft pured to help with more consistancy.
Hope this helps and let me know if you didn't understand anything.
BILLYTEE: There is one more thing that wasn't stated, and that is that "spline alignment is not the same thing as SST Pureing. When you have a shaft SST Pured, they test it and mark the shaft so you can install it so that it will play as stiff as possible. That means the spine is aligned to point at the target. When most club makers spine align a shaft, they install it so it will play as soft as possible. That means that the NBP, will be pointing at the target. The main thing you want is for all your clubs to be set up the same way. You don't want one shaft in your set of irons playing soft, and the next playing stiff. That's not too good an idea, and it's about what you get with OEM clubs. No one takes the time to test the shafts, and align them properly, so you get a mix of flexes in your set.
This was an eye opener. I suspect poor alignment of my 4 iron may be the problem I have with it. I strike the 5 and 3 beautifully and consistently. The 4 iron is always a mystery.
Thanks. I just saw these answers tonight. I feel like a babe in the woods. I am a senior, a chemistry/physics major, and a long time golfer and golf reader. I have learned more from my experiences on this website than any other single source.
This was an eye opener. I suspect poor alignment of my 4 iron may be the problem I have with it. I strike the 5 and 3 beautifully and consistently. The 4 iron is always a mystery.
Since you hit the 3 & 5 well, I'd have to agree, you might want to have the shaft aligned on your 4 iron and see if it solves the mystery. Let me know if it helps.
BILLYTEE: There is one more thing that wasn't stated, and that is that "spline alignment is not the same thing as SST Pureing. When you have a shaft SST Pured, they test it and mark the shaft so you can install it so that it will play as stiff as possible. That means the spine is aligned to point at the target. When most club makers spine align a shaft, they install it so it will play as soft as possible. That means that the NBP, will be pointing at the target. The main thing you want is for all your clubs to be set up the same way. You don't want one shaft in your set of irons playing soft, and the next playing stiff. That's not too good an idea, and it's about what you get with OEM clubs. No one takes the time to test the shafts, and align them properly, so you get a mix of flexes in your set.
OnePutt, are you sure about where the SSTpureing that the spine is pointed toward the target, according to the article i googled up, it sounds like the nuetral bend point is supposed to be toward the target. http://www.sstpure.com/main.html
i wouldn't be surprised that most scratch and pro's would prefer to have have the spine towards the target as this should make the shaft as stiff as it could be, but livelier also, but the most consistant bending is at the nuetral bend point.
I have built two drivers off of Rifle "Pured" shafts and believe they are the best I have ever hit for consistancy. The one with the Compressor 400 cc head is also the "longest" driver I own. I wish I had a more reliable swing so I could take better advantage of the clubs.
OnePutt, are you sure about where the SSTpureing that the spine is pointed toward the target, according to the article i googled up, it sounds like the nuetral bend point is supposed to be toward the target. http://www.sstpure.com/main.html
i wouldn't be surprised that most scratch and pro's would prefer to have have the spine towards the target as this should make the shaft as stiff as it could be, but livelier also, but the most consistant bending is at the nuetral bend point.
YES Mikey, I'm sure the shaft is aligned by SST to have the shaft bend at it's stiffest, which is what you get if the spine is aligned to the target.
November 17th, 2006, 01:28 AM
Thanks
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