I have been hitting my clubs with a butt weight sufficient to match the
weight of all of my clubs for over two years. That means a butt weight
around 100-g in my driver. My clubs are MOI matched and have graphite
shafts in all of them. I keep a non-weighted driver around for periodic
baseline testing. I have consistently gotten something like 3-mph higher
club head speed from the weighted driver than the un-weighted driver, using
the InPractice system installed at one of the local courses (the club head
speeds should be pretty good). I did this to make the 'feel' of my clubs
more consistent at the beginning of the downswing, as well as during
release. It has worked well, for me, as well as a couple of other golfers
I've done this for. They were both beginners so they don't provide much of
a comparison. This is a subset of what Jorgensen proposed (and patented)
but with all the added weight in the butt, instead of split between the
butt and mid shaft. It would be hard for me to claim that this is
noticeably better than traditional club weighting, but it definitely hasn't
hurt my game. My index is several points lower but that could also be
because I'm retired now and play more. It has certainly been an
interesting experiment.
Alan Brooks
At 09:01 AM 9/18/2007 -0400, you wrote:
At 06:34 AM 9/18/2007, André Cantin wrote:
It seems to me that that the human factor will skew the results.
This should be no cause for surprise.
If you do either robot testing or computer simulation, counterweighting
(or differing grip weights) make no measurable difference in performance.
That's because they make only a miniscule difference in the physics.
Conclusion: the human factor. Specifically, the club feels a little
different, causing the golfer to make a different swing with it.
Cheers!
DaveT
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