QUESTION: Hi,

I was wondering if Mizuno Exsar IS4 graphite shafts would fit in Ping S59 heads. The Mizuno is a .370 tip. I can’t find out what fits in S59 Ping irons, and was wondering if somebody could help me find an answer. Thanks, Josh

 

ANSWER: Hi Josh,

The best method is to never guess.

There are so many variations and questions to consider with each shaft installation, and things get even more complicated when it comes to removing an existing set of shafts, with the goal being to install them into another set, with a different hosel design and head weight.

Most golfers who ask your question are first concerned with the most immediate concern- “Will the shafts fit into my set, and not come apart?”.

However, what you also want, and which becomes the more important question once you get your set onto the golf course, is- “Will they play well for me?”.

In this comprehensive regard, I strongly urge you to seek some help/guidance to insure that you achieve both a functional assembly and the performance you desire.

One option to consider is our group of Authorized Installation Centers @ www.shaftology.com.

Best regards, Mark 

QUESTION: Hi,

I am reshafting a Titleist 904F with a Project X graphite shaft 5.5 flex.  I need to know how much if any I am supposed to tip the three wood 13 degree.  I would like to err slightly on the stifff side if possible.  It is a bore-thru design.     Thanks, Donald

ANSWER: Hi Donald,

You have sent in a great question-

There are several issues to consider in the installation of a given graphite shaft. Will a given model perform differently with regards to stiffness compared to a traditional flex? Will the bore-thru design affect stiffness? Will the head weight of this club play a role? Will my swing react differently to this shaft? Will the length that I choose need to be factored into the equation? 

The answer to all of these questions is YES!

At the very least, contact the Rifle Company for the basic trimming instructions of their product.

For a more DELUXE, comprehensive approach, you might consider working with one of our AUTHORIZED INSTALLATION CENTERS. They are skilled at all kinds of variant installations and working together, you have a great chance of achieving the performance that you are specifically looking for. They can be reached at www.shaftology.com. Best regards, Mark

QUESTION: Hello,

I have the Nippon NS Pro 990 Uniflex steel shafts on my Callaway I-Brids and I
need to purchase extenders. I was wondering what the butt size is for these
shafts in order to purchase to correct size extension. I’ve heard it’s .610, is
this correct?

Any information you could provide would be appreciated!

Thank you, Jason

ANSWER: Hi Jason,

Most of the shaft extensions sold by firms such as Golfsmith, Leaderboard, Golf Works, etc., are of a tapered design, so that they will fit into most any butt end, regardless of the butt diameter.
If you have any questions at all about the project you are undertaking, I always recommend a skilled installation facility.

Regards, Mark

QUESTION: Hi,

I previously forwarded you an email about trimming instructions for the N.S. Pro 950GH shafts.  I forgot to mention that they will be installed in a Callaway X-22
model.  Also do I need to put lead weights at the tip to achieve a swingweight of D1-D2?

Thanks, Rubin

ANSWER: Hi Rubin,

Most golfers assume that there is one universal installation method for each manufacturer, each head model, and each shaft model. The reality is that every set installation should be calculated like a unique math equation to achieve the intended results. I strongly urge you to seek guidance from a skilled installer to insure that you attain the performance that you deserve.

Here’s the general answer:

N.S. Pro 950GH Trimming Instructions- Butt trim each shaft to the desired length. Do not tip trim.

The more accurate, specific answer becomes way more complicated. 

Here’s the best, most accurate answer:

N.S. Pro 950GH Trimming Instructions- Hosel designs are different from manufacturer to manufacturer. Select the proper raw shaft flex and raw shaft length, based on the bottom of the hosel bore to the ground measurement, and butt trim each shaft to the desired length. Do not tip trim.

Selection of the proper raw shaft flex and raw shaft length is accomplished by calculating the bottom of the bore to the ground measurement, and then choosing the proper shaft based on this measurement.

The bottom of the bore to the ground is best calculated by measuring the total raw shaft length of a given iron shaft, and then a dry-fit installation of that given shaft and using the USGA 60 degree length measurement method, obtaining the raw club length. Subtraction of the raw shaft length from the raw club length leaves a remainder that is the bottom of the bore to the ground measurement. If you have a traditional set of shafts and you would like to achieve the stated flex that is labeled on the butt end of the shaft, and you have a traditional bottom of the bore to the ground measurement of 1″, then you will want to use the 37.5″ raw shaft length for your #5 iron. If however, you have a bottom of the bore to the ground measurement that is less or more than 1″, you will need to select a 38.0″ or 37.0″ raw shaft length for your #5 iron head to achieve the stated flex.

NOTE: This assumes that you are using a traditional set of 950GH shafts. Many of the OEMs (major manufacturers), utilize different raw length variations for their specific applications and thus each of our Authorized Installation Centers is required to know which variation supports the proper application.

I warned you that the specific answer to your question can be complicated.

Regarding your question of swingweight- most likely, you will need to carefully measure and then adjust your swingweight to your desired weight. Swingweight is best measured in its totality, meaning measured on a swingweight scale after the club has been installed. However, it is a good idea to understand that length, shaft weight, shaft balance, head weight, lie angle, grip weight, etc., all have an impact on the final swingweight. Depending on all of these factors, your set may need some weight adjustments to achieve your D1 or D2 swingweight. Ideally, selecting the proper head weight is the best method. However, if a small amount of weight is added securely and permanently to the tip end of the shaft, the head center of gravity, and the intended playing design of the head will not be sufficiently unbalanced.

Best regards, Mark

QUESTION: Hi,

I have a set of Callaway X-22 Pro Series with Nippon 990 shafts. I have been using the Nippon 850GH successfully in a set of Ping G15’s. Can I switch out the 990’s for 850’s without adversely affecting weighting? (Like the smaller head.)
Thanks, Steve

 
ANSWER: Hi Steve,

This would generally work if both head models have the same hosel design, bottom of the bore to the ground measurement, head weight, lie angle, etc. Then, at least, the shaft would be the same length, the same weight, and flex in a similar manner.

Of course, due to the differences in head absorption, and head weight distribution, the shaft would not feel exactly the same, or play exactly the same.

The conclusion is- “a given shaft model does not perform independently of the club that it is installed in- it is subject to the forces that the head and installation specifications exert on it.”   

It’s kind of like switching an engine between two cars. It will have to be installed properly, but even then, the different designs of the two cars will exert different forces upon the engine and it will not have the exact same performance, power, gas mileage, etc. Best regards, Mark

QUESTION: Hi,  I’ve got a question- What would you suggest 

as the best replacement for the NS PRO 100 S shaft, that

I play in my old set?
I bought the Titleist CB 710 with TT Dynamic Gold S flex as
a replacement for my CB 775 with NS PRO 100, but I don’t 
like the Dynamic Gold shafts.  I want to change the shafts.
Thanks, Red 
ANSWER: Hi Red,
My best advice is to contact the Titleist Company and inquire
with them if they will install the NS 100 shafts into your new
set. This may be the best performing and least expensive option.
Your other option is to contact one of our Authorized 
Installation Centers at www.shaftology.com and inquire as to
the shaft fitting services offered. You may even find a better
shaft option for your new set.
 
You might consider the 1150 or 1050 models in your new set, but 
I always recommend that you either test hit these models first,
or have a club or two installed as a test. Regards, Mark 

QUESTION: Hi,

Can I reshaft TA7 irons that have Sensicore stiff steel shafts with Rifle 5.5 
+1/2″?  If so, what would +1/2″ do to swingweight and stiffness? BL

ANSWER: Hi BL,

You are asking a feel question based on two different shaft models, which will give different results for different golfers. The only way that you will know the exact playability difference is by hitting them.
Regarding the more specific question, flex is only slightly affected by a +1/2″ length change. However, adjusting a club’s length by an additional +1/2″ will not affect the overall weight, but with all things being equal, will add 3 swingweights to the longer length club. For example, changing a D2 swingweight club to a D5 swingweight.

Trying to “figure out on paper” how a shaft or specification will play, is generally an innacurate pursuit. I strongly advise hitting some different test shafts, so as to compare length, weight, feel and flight. Another option to consider is to have one shaft installed and try it out.

I can tell you from many thousands of fitting assessments that I have learned a lot about shaft fitting, but I am unable to predict or guess what a given golfer needs, with any reasonable degree of accuracy, and have the most success when I am able to have them test 10 to 20 different combinations in a controlled fitting session. Best regards, Mark

 

QUESTION: Help!!!!

I just had installed the N.S. Pro 750GH in Bangkok. I changed out my G10/Ping from .355/TT S300 +1″in length. They installed as follows, 6i =+1.75″, 7-PW =+1.50″, AW= +1.25″, SW=+1.00″, LW=+0.25″.

I am 61,9 hdcp, 6-4 with a 100cm “WTF” swing speed +95mph or higher..needed to lose the S300 due to shoulder & age, you know the score…lol!

I am screwed with these new shafts! Can’t hit them at all…What the hell do you think they did on the install of these shafts? I have clubs with swing weights running from “D-10,to D-5″! Any way to salvage these shafts?

Thanks, James

 
ANSWER: Hi James,

If possible, your first step is to go back to the shop in Bangkok and determine if your shafts were installed to your instructions. If this is not the case, any reputable shop will be glad to make thngs right. It is a simple task to trim shafts to a desired length, so there was either a breakdown in communication between the shop and yourself, or some bad installation mistakes were made.

My advice is to contact the shop, give them clear instructions as to what you require, and demand that your shafts are to be installed properly to your directions.

The next question is whether this model is a good fit for your body, swing and game. If you played reasonably well with your previous set, changing to the NS PRO 750GH model would be quite a difference, and I would question how they might fit.

Moving from one of the heaviest steel models, to the lightest steel model in the world is quite a change, and your body and swing might be forced to make all kinds of swing adaptations that may never yield consistent performance.

Since you have already invested in this installation job, I recommend that you first have them re-installed to the proper specifications that you want, and then play with them to see if the set is right for you and your game.

Thanks, Mark