At 11:10 PM 7/25/2005, skismith wrote:
Can anyone help me with understanding frequencys on raw shafts or point me
to a source with generally accepted standards for the different flexes?
It's still real early in California, so TFlan is probably still asleep.
Therefore, let me be the first to say...
THERE ARE NO STANDARDS!
Unfortunately, the golf industry has actively resisted setting any
standards. And the result is that "R" or "S" means absolutely nothing
without heavily qualifying (e.g.- with manufacturer and model).
Even manufacturer isn't enough. Consider: the Dynamic Gold and Dynamic Gold
Lite, both by TrueTemper, are -- for the same nominal flex -- two and a
half flexes apart. That means that if you take a DG S-flex and a DGLite
S-flex, if you believe the DG to be "the standard" then the DGLite is just
the stiff side of an L-flex.
My questions are these:
Do these frequencys seem to be correct?
Nobody would have any way of knowing without more data, at least:
* Tip weight, and
* Either
Shaft length and clamping length, or
Unsupported beam length
Without these parameters of measurement, there's no way to interpret frequency.
and is there somewhere where I can find a chart of what frequency
ranges are generally accepted as L/A/R/S/XS etc?
There are several different charts around. Note that, in my statement,
"different" is as important as "several".
If you're getting started in measuring the shafts you work with, let me
suggest you look at John Kaufman's (the Club Scout guy) tech notes on his
web site.
http://www.csfa.com/techframe.htm
You'll get a very good idea of what's important and what's not in working
with frequency. Unfortunately, he has no table of frequency<-->flex. But
then, John is a realist, and knows what standards are.
Sorry I can't give you a more definitive answer -- but that's because there
isn't one. I'm sure others can point you to charts that they believe in. If
pressed, I could commit to paper the one in my head. If you're lucky, the
charts will be close enough to one another that you can get a sense that
you know the correspondence. But don't be shocked the next time someone
comes in with a driver marked "R" that comes out an "L" when you measure it
and look at the chart.
Good luck!
DaveT
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