I know that with a GS frequency unit, you will likely have problems
using a 2.5" clamp length due to the design of their clamp (5+" long
with slightly angled, smooth, top and bottom jaws). Depending on the
type of shaft (stepped or unstepped), I occasionally have problems at
3.25" (my Brunswick equivalent length on my meter). Likely not a
problem if you are using a drill chuck style clamp.
Tedd
________________________________
From: owner-shopt...@mail.msen.com
[mailto:owner-shopt...@mail.msen.com] On Behalf Of Robert Devino
Sent: Thursday, December 11, 2008 12:33 PM
To: ShopTalk@mail.msen.com
Subject: Re: ShopTalk: 7-iron at 353 cpm - how?
Ughmmmm I'll buy that, it makes sense. It would be cool if we
could find one system for all that gave us real readings. It would do
alot so far as getting some kind of standard for us all to go buy.
When I was at HotStix we had a machine that used a drill chuck
type clamp. We used it for both Rifle and non Rifle shafts but we
measured the shaft length differently. First we measured the total
length of the club then for the non Rifle shafts we went 5" towards the
club head, marked it and then placed that mark at the front of the
clamp. Same with rifles but we only went 2.5" toward the club head and
placed that at the front of the clamp.
Sincerely,
Robert Devino
14252 Delano St.
Van Nuys, Ca. 91401
(818) 770-0475
________________________________
From: "Childers, Tedd A" <tedd.a.child...@pfizer.com>
To: ShopTalk@mail.msen.com
Sent: Thursday, December 11, 2008 9:07:18 AM
Subject: RE: ShopTalk: 7-iron at 353 cpm - how?
I took it from your post that when you measured a set of clubs
at 2.5" clamp length, they fit onto the straight line slope as
predicted, however, when you measured using the 5" clamp length, the
long irons looked fine but the short irons gave frequency measurements
higher than expected. The question then becomes, which set-up (2.5" or
5") gives the "real" frequency on the shorter irons. IMHO, the 2.5"
clamp length is more likely to induce errors than the longer, 5" clamp
length, meaning that maybe the short irons really are getting stiffer
than desired. Your conclusion was that the 2.5" clamp length was
yielding "correct" results and the 5" clamp length was not, but there
really is no way to know for sure. With that said, if Rifles have been
designed using the 2.5" clamp length, then to get them to play as
designed, one should use a 2.5" clamp length when building sets with
Rifle shafts.
Tedd
________________________________
From: owner-shopt...@mail.msen.com
[mailto:owner-shopt...@mail.msen.com] On Behalf Of Robert Devino
Sent: Thursday, December 11, 2008 10:02 AM
To: ShopTalk@mail.msen.com
Subject: Re: ShopTalk: 7-iron at 353 cpm - how?
Andre I have not used the Equalizer by pcs what does it
do ?
Tedd, I am using a Mitchell set up. I don't think
that's a factor becuase a wobble would create a slope getting softer at
the shorter clubs not stiffer.
Sincerely,
Robert Devino
14252 Delano St.
Van Nuys, Ca. 91401
(818) 770-0475
________________________________
From: "Childers, Tedd A" <tedd.a.child...@pfizer.com>
To: ShopTalk@mail.msen.com
Sent: Thursday, December 11, 2008 5:18:10 AM
Subject: RE: ShopTalk: 7-iron at 353 cpm - how?
What frequency meter are you using? Could be a function
of how well the shaft is clamped at 2.5" vs. 5" clamp length. The
possibility of wobble at 2.5" clamp length goes up significantly as the
shaft gets stiffer and oscillates at a higher frequency.
Tedd
________________________________
From: owner-shopt...@mail.msen.com
[mailto:owner-shopt...@mail.msen.com] On Behalf Of Robert Devino
Sent: Wednesday, December 10, 2008 9:24 PM
To: ShopTalk@mail.msen.com
Subject: Re: ShopTalk: 7-iron at 353 cpm - how?
Ok here is what I did exactly. Not really
concerned with tip weighting because I used actual heads 3 -PW mesured
at actual lengths.
Using one shaft per frequency slope ie... Rifle
chart 4.0, 4.5, 5.0, 5.5, 6.0. 6.5.
First dry fitted a 3 iron to the slope frequency
for a rifle 4.0 at 39 inches. Then tipped the shaft 9/16" as per
standard rifle tipping for each iron in the set. I first took a
frequency reading with the 2.5" clamp and then with the 5" inch clamp.
The 2.5" clamp got an almost perfect slope line. As I got to the 5.5,
6.0, 6.5, slopes the slopes with the 2.5" clamp stayed linear. The 5"
clamp slopes showed a large curve when getting up into the lower irons
and wedges. So if you build to a linear slope with a 5" clamp with a
Rifle or BTR or KB Steel you might not be build exactly what tou think
you are. Your shorter irons might just be playing a bit softer than you
think.
That's all I can tell you is in a side by side
controlled comparison I got results that showed there is a diference.
Sincerely,
Robert Devino
14252 Delano St.
Van Nuys, Ca. 91401
(818) 770-0475
________________________________
From: Harry F. Schiestel <h...@touriq.com>
To: ShopTalk@mail.msen.com
Sent: Wednesday, December 10, 2008 5:42:00 PM
Subject: ShopTalk: 7-iron at 353 cpm - how?
TFlan you are indeed correct, it's important to
also state the tip weight used. For irons and woods
I use a 205 gram drill chuck. What do you use
for wood shafts, do you still use 254 grams or do you
drop it down to 205 gram wt.?
I wonder what the difference in cpm would be
using a GS 5" butt clamp going from 205 gram to 254
gram tip weight? Anyone knows, I would like to
know what the drop in cpm's would be with using an
extra 49 grams wt.
Thanks, Harry Schiestel
www.myGolfDNA.com <http://www.mygolfdna.com/>
-----Original Message-----
From: owner-shopt...@mail.msen.com
[mailto:owner-shopt...@mail.msen.com] On Behalf Of TFLAN
Sent: Wednesday, December 10, 2008 7:33 PM
To: ShopTalk@mail.msen.com
Subject: Re: ShopTalk: 7-iron at 353 cpm - how?
How come you don't mention tip weight? That is
certainly a major factor in determining freqs
regardless of clamp insertion depth.
Freq'ing with grip on only shows fewer cpm's and
has nothing to do with the flex of the shaft, It's
simply a matter of choice, as long as the choice
is consistent, IMO. I prefer no grip testing. And,
I use a 254 gram tip weight and a 5" clamp
insertion.
TFlan
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