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Shaft weight affect on swing weight

post #1 of 8
Thread Starter 
How many grams of shaft weight increase will equal one swingwieght? I've researched this online and have a range of answers. Most numbers I've seen range from 7-9 grams. That is to say, an increase in 7-9 grams of shaft weight will increase the swingweight one point. I'm doing the math here on a reshaft and would like a more specific number. Any opinions or factual knowledge would be appreciated.

Bouns question: Does anyone know the stock graphite shaft weight of a Nike CPR hybrid wood? (not the CPR2 with IRod shaft or the CPR3).

Thanks.
post #2 of 8

Re: Shaft weight affect on swing weight

From: http://www.equip2golf.com/clubmaking...tml~clubmaking

A change in shaft weight of 9 grams will yield a 1-swingweight change in the club. Lighter shafts decrease swingweight.
There is a very nice table just over 1/2 way down the page. The notes under the table (where the above came from) explain how to calculate swingweight based on adjustments to the head, shaft, grip, etc.
post #3 of 8

Re: Shaft weight affect on swing weight

i have 50, 75, 65, 80 gram shafts and the only thing i otice is the 50 feels really light like i have no control over it.
post #4 of 8

Re: Shaft weight affect on swing weight

i think it just depends on you. find a shaft you like and feel confident in and out that shaft in every wood and hybird u use
post #5 of 8
Thread Starter 

Re: Shaft weight affect on swing weight

[QUOTE=rebby;190861]From: http://www.equip2golf.com/clubmaking...tml~clubmaking

Thanks!
It seems 9 grams is the number I see most often.

Originally Posted by cdj588 View Post
i have 50, 75, 65, 80 gram shafts and the only thing i otice is the 50 feels really light like i have no control over it.
I know what you mean. I played a 55 stock shaft in a Launcher once and replaced it with a 55 Aldila green NV and both of them just made me way too quick. Pull-hook city. Now I know the lightest I can go is 65 and still maintain control. That’s what I have in my driver and hybrid, but my 5+ wood has the stock 75.

Originally Posted by cdj588 View Post
i think it just depends on you. find a shaft you like and feel confident in and out that shaft in every wood and hybird u use
That’s good advice. I play TT Dynamic Gold R300s in my irons and the "wedge flex" in my wedges which is really a S200 I think. But everything in my bag down to the 9 iron swingweights at D2. Lucky or not I can actually feel a swingweight change of 2 points, probably not 1 though, I think few people can. So I want to make sure I don't get way out of whack on my reshaft.

What I'm really looking for is something between my 65-75 gram graphite wood shafts, and the 120ish iron and wedges shafts. I have a NIKE CPR 26* wood I am thinking of putting back in the bag. It had a really tip active graphite UST made shaft. This club hits the ball SOOOO high. But If I want to pound on a shot, it just hits higher and actually goes less distance, i.e. balloons. What I want to do is try a light weight steel shaft to keep the ball down a bit more and also to give me more control into the greens. Also I love to chip/fringe putt with this thing.

I'm thinking about a True Temper Dynamic Gold SL in R300. Maybe you guys can check my math?

ASSUMING the stock, whippy feeling graphite shaft is around 65 grams.....

106 grams on the TT DL SL
- 65 grams on the stock CPR
-----
41 grams difference
41 divided by 9 to get the swingweight change is 4.55 higher swingweight.
1 inch shorter shaft length DECREASES swingweight by 6 points
SO MY CONCLUSION IS.....I would need to shorten the shaft 3/4" from 38 1/2" to 37 3/4" to keep me in the same ballpark on swing weight. This would be exactly 1/2" longer shaft than my 6 iron, so that would be perfect in my set.

Math class is over. Would anyone into club building be willing to check my math on that one? Thanks guys for the previous responses, and to anyone else willing to help.
post #6 of 8
I brought this post up from the past cause it relates to what I am thinking about now. I have a set of graphite clubs with 70 gram shafts with a high torque rating and I want to install shafts that weight 81 grams and a much better torque value of 3.2 still being graphite. I am curious if the swing weight change would matter much which the answer is probably it depends on the individual. I suppose I could purchase or make (plans are on How.com) a swing weight scale to check current club before changing shaft and grip and then recheck and adjust with tip and/or butt weights which I believe is one way you adjust. Does anyone have experience with this and do you believe the extra work is worth it? Right now it is food for thought that I want to chew on and the clubs are an extra set that I have not used in over a year. I want to drop down to regular flex and do not at this point want ot purchase clubs would like to use what I have and see what happens and how it works out. I am handy and can learn just about anything I want to so while this of course is not my expertise it does tickle my little grey cells and may make a long winter a little shorter in the end. Anyone like to share a little knowledge or research sites. TIA, Frank
post #7 of 8

Depending on the differences in the balance point of the shafts, the swingweight might not even change at all.  Or it could increase, or decrease.  

post #8 of 8

interesting that I missed the forest for the trees, I already forgot that swing weight is more about the relationship of the components to each other than one components weight since swing weight is checked off a fixed point on the shaft. looks like I will have to try one out and see what if anything changes then adjust. what a brain teaser for sure!

 

PS - I remember when bowling pin shoots were the big thing and ipsc was hard to find. but I date myself

 

thanks Glock35ipsc for your input.

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