Mizuno ST190 driver settings

MPX

Administrator
Staff member
Joined
Apr 7, 2009
HCP
6
Local club/country
UK
Irons
JPX919 Hot Metal Pro 4-PW (C Taper Lite stiff), T20 wedges chrome - 50 / 56
Driver
ST-Z driver, ST200x 3wood, ST200x 5 wood

MPX

Administrator
Staff member
Joined
Apr 7, 2009
HCP
6
Local club/country
UK
Irons
JPX919 Hot Metal Pro 4-PW (C Taper Lite stiff), T20 wedges chrome - 50 / 56
Driver
ST-Z driver, ST200x 3wood, ST200x 5 wood
#2
Needed to drop this image somewhere i could show people. Quick Switch settings for the ST190 hosel.
 
Likes: seanmor

MTR

Well-Known Member
Joined
Nov 24, 2010
HCP
f0re
Local club/country
EU
Irons
MP-9-11-14-29-37-20
#3
Can you clarify how the E.Loft vs FA is calculated for the ST190?

@60.25 lie, a 1.5dg open face angle would result in a 1.5x[tan(90°-60.25°)] = 0.857 > 8.643 degrees of loft rather than 8.375.
In order to get to a 1:0.75 ratio as indicated, lie would have to be (fixed) around 53dg. Or maybe the FA measurement is around a different axis?
Disregarding lie angle altogether and 'just' squaring the face would result in a 1:1 ratio.

Just wondering; Titleist seems to use a similar FA/E/loft ratio but others don't.
 
Joined
Jun 6, 2020
HCP
15
Local club/country
Australia
Irons
3 - PW MP-20 HMB with Miyazaki Jinsoku 76s Shafts 50/55/60 T20 Satin Chrome Wedges with Miyazaki C.Kua 95w Wedge Shafts
Driver
ST190G -10 degree in UST Proforce TSPX VTS Silver 6S
#4
Could this same diagram be posted for the 9.0 degree ST190G head please?

Cheers - Foxy
 
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