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Backweighting

Discussion in 'General Golf Talk' started by dave., Feb 21, 2009.

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    dave. Active Member

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    Is it really this good? I've copied this from a fitter who posted it in another forum

    Keyser,
    Heres the counterweighting story as best I know it:
    • Golfsmith conducted a test in 2004:
    – Over 30 testers, a mix of Harvey Penick teaching pros and students
    – Age range about 40 to 80 years
    – Handicap range scratch to high mid-handicappers
    – Two test drivers used:
    • Both 10.5 degree loft with a Spine Aligned, 65 gram graphite “R” flex shaft at 45 inch length
    • Clubs were identical except one had a 65g butt weight
    • Swing weights were D2 and B3 respectively
    • Butt weighted average club swing speed 2 mph higher, launch angle 1 degree higher, and carry distance was 9 yards more
    • Over 70% hit counter-weighted club farther
    • Average distance gain was 14 yards
    • 15 of 23 testers gained more than 5 yards
    • Directional accuracy was improved
    Why did the butt weighted club appear to be better?
    • At the time no one could explain it in a way that most golfers and club-fitters could relate
    • Now, several years later, our explanations include:
    – Counter-weighting was not needed very often in the past because golf clubs were heavier than today’s clubs with graphite shafts and lighter grips and the player could feel the club
    – As golf club total weight was reduced by lighter shafts and grips, many golfers lost club feel and weight addition was needed to improve swing dynamics
    • Counter-weighting restores the feel needed to maintain swing plane and to more easily feel the golf club
    • Counter-weighting increases total weight of the golf club and moves club balance point closer to the grip. Some players feel head weight loss, but most do not.
    • Butt-weighted shafts were tried but limited because it was one weight fits all
    • Counter-weighting results in a substantially higher mass in the butt and it gives the fitter different weight options. The swing speed increase from lighter shafts is not adversely affected because the added weight is in the hands
    • Bottom line is that more club weight from butt weights restored feel and control without any swing speed reduction
    Types of golfers that benefit
    • Aggressive Transition move: Potential for substantial improvement in accuracy and control. Counter weights increase the club total weight and gives these golfers more feel and control of the golf club
    • Very Quick Tempo’s: Counter-weighting for this golfer creates a “smoother” tempo which leads to better control and accuracy
    • Early to Midway Release: Many of these golfers increase their swing speed and club center contact increasing ball speed and distance. Additionally, swing path and face angle at impact often improves
    • Outside-To-Inside Swing Path: More weight in the hands, often improves swing path considerably. More weight in the hands reduces the golfers ability to “Cast” the club outward and helps them “Drop” the club into the slot. Last year Keith Chatham reported he had seen a 50% improvement in a few golfers with Out-to-In swing paths. He said, “their final swing path is still Out-to In, however, now they play a controllable fade instead of their dreaded slice.”
    • After testing for Length those Golfers whose on-center hits are very close but just not quite on-center.
    The Test Process
    • Counter-weighting may not improve the performance of every golfer, but it could
    • After competing your normal fitting process, conduct counter-weighting tests during a follow-up session. I call it a tweaking session
    • Use a subset of the clubs you have built from your fitting. I use the driver and 6 iron
    • Conduct ball striking tests with these clubs 4 strikes each weight, from no weight to 40g or maybe 60g in 10g increments. The data will tell which weight is best
    Conclusions for counter-weighting
    • Certain golfers see improvement in ball striking:
    – Swing speed, ball speed and distance increase
    – Better swing path, contact quality, distance control, direction and feel
    – 30% increase distance 70% direction and distance control
    – Counter-weighting changes swing weight, but not golf club MOI as seen from the club handle.

    Now we are into Optimal Weighting. Here’s that story:
    • Since 2004 when golf club counter weighting was demonstrated to help golfers hit it longer and straighter, the success rate on longer has been 30 percent and straighter, 70 percent. Over this period club fitters used counter weighting as a final step in the fitting after determining for each golfer the best weight, length, face angle, lie angle, shaft flex and profiling and so on for their golf clubs.
    • We have transitioned from partial success with counter-weighting to almost total success with Optimal Weighting Technology.
    • What do we know about golf club Optimal Weighting Technology? Optimal weighting technology is the optimization of golf club total weight and balance point for each individual golfer’s swing mechanics!
    • Recently the success rate for both distance and direction improvement has increased dramatically with the use of a new Tour Lock product called the Opti-Vibe Power Weight. Distance and direction improvement for almost all golfers is being observed, and this product even works on a golfers existing equipment.
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    Clugnut Gimme some roombas!

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    LOL. I quit reading after this. Their testers couldn't tell a difference between D2 and B3? Seriously?

    Bignose Member

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    I am still somewhat skeptical. I think it really is just a fix for overactive hands in the swing, because otherwise the physics don't bear out the results claimed. Things like putting more mass into the club should decrease the swing speed, not increase it. I think that if you learn a swing with passive hands that these issues shouldn't need a band-aid on them.

    What I would like to see would be a follow-up survey. Now that is has been 4 to 5 years, how many players are still playing back-weighted equipment? How many players have significantly reduced their handicaps? How many players have seen the honeymoon period end? It isn't so much how backweighting helps on a specific day, but how much it helps in the long term.
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    SiberianDVM I love Hooters

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    I butt weighted my Cobra driver last year using a 20gm lead weight. I have never hit a driver better than I hit this one.

    And, right now I'm hitting the driver better than any other club in the bag. Of course, that may be because I only hit it with the ball teed up.

    My next experiment may be to try back weighting in some other clubs.
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    BigJim13 Well-Known Member

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    I backweigted my driver and fw woods last year at the beginning of the season. I have never hit them worse than when I had them backweighted, all I could manage was short little pop ups...dont know why... just didn't work for me.
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    Adam Pettman New Member

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    I just back weighted my tooth brush, I can report improved accuracy and distance.
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    Clugnut Gimme some roombas!

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    LOL, very nice.

    Bignose Member

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    I think that it would be interesting if sometime you would try hitting a non-backweighted driver, but wear a second glove (like on your other hand) (or a glove if you don't normally wear one). Because that would also be adding that same extra weight. And see if you get the same results. Or maybe just wear an extra ring or two.

    I always just seems like it is an incredible amount of difference ascribed to such a small amount of weight. I'm not trying to discount the difference in feel it can make, but from a physics point of view it always just seems like such an insignificant amount shouldn't be making that much of a difference.
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    Clugnut Gimme some roombas!

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    Or how about a watch? That would add a large amount of weight right at the same area.
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    Wi-Golfer Golfer on hiatus.

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    LyleG gear head

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    With all the weight that causes the swing weight change being placed directly in line with the players hands you will not notice the change in swingweight. I have personally tested this on at least 50 players and most actually believe the backweighted club feels more head heavy.

    Backweighting works best on fast tempo players, with a mid to late release. I have seen no benefit at all to slower swingers, or players with an early release. With putting however (after a short adjustment period) every player I have tested improved, especially inside of ten feet.
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    indacup Well-Known Member

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    Back weighting in putters seems to be more successful than any other clubs....the weight enhances a pendulum effect....which in return, helps with the release of the club.

    In the experimenting we've done, we've seen no improvement in terms of feel or performance in steel irons...

    Now, as far as drivers and woods go, some people have felt a difference...and with some, we've been able to document performance (distance and accuracy) improvements...not huge...but noticable.

    Back in the early 1960's The clubfitter at MacGregor went to make a new driver for Jack Nicklaus....and found his driver which should have come in around a D-8, actually came in closer to a D-2.

    He pulled the grip and found a cork filled with lead that the previous fitter had done.....unknown to Jack.

    They tried a normal balanced driver, but Jack had no luck...he said the weight in the back of the shaft kept his hands more stable throughout the swing....maximizing impact.

    From then, until recently, all his woods were back weighted...all his Masters wins were done with backweighted clubs.

    Me personally, I have my putter, driver and Fw's backweighted....the irons and hybrids are not....and I loved it in my putter...and initilly didn't see the value in the woods...untill a couple years ago when I dislocated my left ring finger....it was hard to swing the club...until I backweighted them...and then it was much easier to hold, swing...with less effort.

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