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Re: Mizuno ST180 Driver

Thu Nov 09, 2017 11:01 am

Posted by hursty


It's interesting how people interpret numbers.

Looking at that picture I see it as that the ST is more consistent on distance but the 900 has better L/R dispersion (approx 14 yds v 30 yds)
Mizuno JPX 900 - Speeder 757 S
Mizuno JPX 900 3W - Speeder 661 X
Mizuno JPX 900 19 hy - Fujikura Pro 75S
Mizuno MP-5 4i-PW - PX 6.0
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Re: Mizuno ST180 Driver

Thu Nov 09, 2017 11:32 am

Posted by MPX


Hursty - David was a lot happier with fact the ST180 stopped him pulling it.  None of those 'left' shots made him very happy......being well grouped wasn't a lot of use to him.

A little dangerous showing real test data........unless you were there, as you say, it can be interpreted a lot of different ways.

Another way of looking at it - if we had managed to get the 900 on the same left / right flight as the ST180, it would have lost a fair few yards as a consequence.  Straightening it would have increased the spin rate on the 900 - giving the ST180 a bigger win.  That slight pull shot with the 900 distorts the spin rates a little.
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Re: Mizuno ST180 Driver

Thu Nov 09, 2017 11:47 am

Posted by hursty


MPX wrote:

Hursty - David was a lot happier with fact the ST180 stopped him pulling it.  None of those 'left' shots made him very happy......being well grouped wasn't a lot of use to him.

A little dangerous showing real test data........unless you were there, as you say, it can be interpreted a lot of different ways.

Another way of looking at it - if we had managed to get the 900 on the same left / right flight as the ST180, it would have lost a fair few yards as a consequence.  Straightening it would have increased the spin rate on the 900 - giving the ST180 a bigger win.  That slight pull shot with the 900 distorts the spin rates a little.


Does that mean I'm going to have to sell my 900 and get a ST.......


Interesting to see the thought differences between a good player and us hackers though when you say the good grouping wasn't that useful to him compared to the shot shape/flight.
Mizuno JPX 900 - Speeder 757 S
Mizuno JPX 900 3W - Speeder 661 X
Mizuno JPX 900 19 hy - Fujikura Pro 75S
Mizuno MP-5 4i-PW - PX 6.0
Mizuno MPT-7 50 / 54 / 58 - PX 6.0
Odyssey #7 CS
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Driver: JPX 900 Driver - 757 S, JPX 900 3W - 661 X, JPX 900 19 deg - Fuji Pro 75S, Odyssey #7CS

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Re: Mizuno ST180 Driver

Thu Nov 09, 2017 1:22 pm

Posted by MPX


David’s also a pretty good driver of the ball.  On a chart that looks like more dispersion than it did to the eye.  They’d all have been comfortably on the fairway.
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Re: Mizuno ST180 Driver

Thu Nov 09, 2017 1:27 pm

Posted by DennisMiller


What does that mean, "comfortably in the fairway"?   I don't know that phrase.  Is that a feature, some built in benefit of this new driver?   ;-)
I've had a good day if I didn't fall out of the cart...
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Re: Mizuno ST180 Driver

Thu Nov 09, 2017 1:28 pm

Posted by hursty


MPX wrote:

David’s also a pretty good driver of the ball.  On a chart that looks like more dispersion than it did to the eye.  They’d all have been comfortably on the fairway.


What's a fairway? :)
Mizuno JPX 900 - Speeder 757 S
Mizuno JPX 900 3W - Speeder 661 X
Mizuno JPX 900 19 hy - Fujikura Pro 75S
Mizuno MP-5 4i-PW - PX 6.0
Mizuno MPT-7 50 / 54 / 58 - PX 6.0
Odyssey #7 CS
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Joined: Sun May 15, 2011 8:49 am
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Location: Telford, Shropshire
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Irons: MP-5 4-PW, MPT-7 50, 54 & 58 wedges
Driver: JPX 900 Driver - 757 S, JPX 900 3W - 661 X, JPX 900 19 deg - Fuji Pro 75S, Odyssey #7CS

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Re: Mizuno ST180 Driver

Thu Nov 09, 2017 2:20 pm

Posted by MPX


We had a text from David.  He's been out on the course and ended up going up one degree to 10.5.  Sent us a pic of one ball a long way past the other one (from the 9.5 setting) down the fairway.  Don't think we can pass that off as scientific evidence.
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Re: Mizuno ST180 Driver

Thu Nov 09, 2017 2:36 pm

Posted by hursty


MPX wrote:

We had a text from David.  He's been out on the course and ended up going up one degree to 10.5.  Sent us a pic of one ball a long way past the other one (from the 9.5 setting) down the fairway.  Don't think we can pass that off as scientific evidence.


Out of interest what shaft is in it?

Is it one of the newer offerings or his own usual one?
Mizuno JPX 900 - Speeder 757 S
Mizuno JPX 900 3W - Speeder 661 X
Mizuno JPX 900 19 hy - Fujikura Pro 75S
Mizuno MP-5 4i-PW - PX 6.0
Mizuno MPT-7 50 / 54 / 58 - PX 6.0
Odyssey #7 CS
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Joined: Sun May 15, 2011 8:49 am
Posts: 2760
Location: Telford, Shropshire
HCP: 8.5
Local club/country: The Shropshire GC
Irons: MP-5 4-PW, MPT-7 50, 54 & 58 wedges
Driver: JPX 900 Driver - 757 S, JPX 900 3W - 661 X, JPX 900 19 deg - Fuji Pro 75S, Odyssey #7CS

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Re: Mizuno ST180 Driver

Thu Nov 09, 2017 3:02 pm

Posted by MPX


Was the shaft from his JPX900.  Once we know its a 'switch' for the ST180, we'll probably revisit the shaft and nudge things on again.
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Posts: 2406
HCP: 12
Local club/country: UK
Irons: MP-H5 4-PW (C Taper Lite stiff), R-Series wedges (52/56)
Driver: JPX EZ 10.5 driver, JPX EZ 3 & 5 wood.

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Re: Mizuno ST180 Driver

Thu Nov 09, 2017 3:08 pm

Posted by MPX


Correction - David is back in the 9.5 setting (he'd gone back down to 8.5 yesterday).  His JPX900 is in 8.5.
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Joined: Tue Apr 07, 2009 1:01 pm
Posts: 2406
HCP: 12
Local club/country: UK
Irons: MP-H5 4-PW (C Taper Lite stiff), R-Series wedges (52/56)
Driver: JPX EZ 10.5 driver, JPX EZ 3 & 5 wood.

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