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Swing weight factors in relation to parts


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#451 Stuart G.

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Posted 25 July 2018 - 04:46 AM

No problem.  Good luck.


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#452 IvanDrago

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Posted 28 July 2018 - 04:32 AM

just bought a SW scale, did my irons and they are d6 with with the pw D7.25.

they have tour issue x100 1/4 long.

Is this normal for thm to be this high straight in as the 1/4 should only add 1.5 sw points?

how can I reduce the sw to d4?

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#453 Stuart G.

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Posted 28 July 2018 - 04:52 AM

Well, it's not very typical.  (with a lack of standards in the industry, I don't like to use the term 'normal').

Do they feel too heavy to you? Is there something about the feel or results that makes you think the swing weight needs to be lowered?  Remember it's not about the SW value, it's about the results.

How do you measure length?   What grips?  Who did the build (is it a factory build, local builder or yourself)?   Any chance there are tip weights in place?  

If it really is needed, the two effective ways to lower the swing weight would be to reduce the head weight or reduce the length.   If there are no tip weights in place to remove, then reducing the head weight is possible but not always easy.  Finding a machine shop to drill some material out of the bottom of the hosels is the most common way. Another way to help is to use 3/8" length increments instead of  1/2".  That would reduce the SW for the longer clubs - where the heavier value is potentially more problematic.

And no, increasing the grip weight is not usually a very effective way if the SW/MOI really is too high for you and your swing.    And if the static weight is a good fit, ideally you really don't want to reduce the shaft weight.

Edited by Stuart G., 28 July 2018 - 04:52 AM.


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#454 HuskerDevil_1

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Posted 28 July 2018 - 06:01 PM

Great info thanks

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#455 IvanDrago

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Posted 29 July 2018 - 03:04 AM

Thanks for the reply.

The shafts are straight in with no weights. Tour Velvet Grips with one tape.

I like the feel of them but now im questioning if my bad shots are du tot he SW being too high.

I tink maybe  used too much epoxy, if 2g head weight is 1 SW then that could be the reason.

I will take them out and try and get them to D4.

just out of interest how much epoxy is enough? eg 2 pea sized blobs mixed together?


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#456 Stuart G.

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Posted 29 July 2018 - 03:30 AM

Couldn't hurt to try it with one club but It would take a lot of epoxy to do that.   If you do, get the raw head weight after it's cleaned up and before you do the reshafting.   And make sure you clean out all epoxy in the shaft.

Edited by Stuart G., 29 July 2018 - 03:31 AM.


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#457 DriveToArrive

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Posted 01 August 2018 - 02:35 PM

View Postaliikane, on 21 May 2011 - 01:36 AM, said:

Is there a rule of thumb about how much an increase or decrease of swingweights changes flex of shaft?
Great question. I've always felt like a lighter swingweight plays stiffer. There may not be anything behind that. Just my feeling.

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#458 Stuart G.

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Posted 01 August 2018 - 03:21 PM

View PostDriveToArrive, on 01 August 2018 - 02:35 PM, said:

View Postaliikane, on 21 May 2011 - 01:36 AM, said:

Is there a rule of thumb about how much an increase or decrease of swingweights changes flex of shaft?
Great question. I've always felt like a lighter swingweight plays stiffer. There may not be anything behind that. Just my feeling.

It's not the swing weight that affects the way the shaft plays, it's strictly the total head weight (including any adjustments for swing weight and adapters for adjustable drivers/woods). And that value is compared to 'standard' head weights to determine how the shaft might be affected - which is also very dependent on the swing mechanics and the original profile of the shaft.    Other factors than can effect swing weight will have no affect on the way the shaft will play.

Edited by Stuart G., 01 August 2018 - 03:22 PM.


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#459 ulmndnz

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Posted 12 August 2018 - 06:41 PM

View Postjoey3108, on 27 July 2006 - 04:59 PM, said:

Remember, this is just a ball park figure for normal most case.

Some shaft have tip or butt weight balance point that can not be applied on this rules.

1/2" = 3 swing weight points

2 gr club head weight = 1 swing weight point

5 gr grip = 1 swing weight point

9 gr shaft weight differences = 1 swing weight point

4* flatter lie or more up right lie = increase or decrease 1 swing weight point

Joe
I have a 915d2 that i want to take 1" off the butt of the club. It has the red 9 gram weight in it from Titleist.  What weight do i need to keep the same swing weight, (or better) Do I need to move to the 14 or 17 g weight titleist makes?
Thanks in advance for the advice

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#460 dcopp7

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Posted 14 August 2018 - 04:43 PM

You are removing 6 sw points.  You need 12gr more weight on the head to compensate.  Do they have a 21gr weight? Buy the biggest of not and use tape for the rest of the weight.

Edited by dcopp7, 14 August 2018 - 04:44 PM.

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#461 ulmndnz

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Posted 17 August 2018 - 06:30 PM

View Postdcopp7, on 14 August 2018 - 04:43 PM, said:

You are removing 6 sw points.  You need 12gr more weight on the head to compensate.  Do they have a 21gr weight? Buy the biggest of not and use tape for the rest of the weight.

i prematurely got a 14g weight to replace the 9g weight,  guess i need more.  
The guy at Ed Watts said not to worry about the swing weight??

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#462 Stuart G.

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Posted 18 August 2018 - 03:28 AM

View Postulmndnz, on 17 August 2018 - 06:30 PM, said:

i prematurely got a 14g weight to replace the 9g weight,  guess i need more.  
The guy at Ed Watts said not to worry about the swing weight??

You should not worry about trying to restore the original swing weight.   But you should play around with some lead tape and make the determination of how much to add back with a little range time.  It should be based on feel and results, not a SW value that it had at a different length and that you were never fit for in the first place.

You can try by just starting out with that 14 gm and adding lead tape from there (it might even be plenty as it is).

Edited by Stuart G., 18 August 2018 - 03:29 AM.


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