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Monday, April 29, 2013
The Road to Golf Club Fitting Nirvana - Part VI
a video I made discussing what I have done so far:
Here's a little bit of
notes to keep in mind:
MOI: Total Dynamic Heft of the
MOI Balance Index: The relationship of the clubhead's weight
and CoG versus the shaft/grip's weight and CoG.
Analogy: Two guys
who are 6'2" tall a piece. But, one guy has a 35" inseam and the other has a 30"
inseam. MOI is the end result (6'2" tall), MOI Balance Index is relationship of
the components (larger legs, smaller torso, etc.).
MOI Balance Indes is a
number from 0-100.
>50 = 'clubhead biased'
<50 biased="" grip="" p="" shaft=""> Longer irons will FEEL 'head light.' Shorter irons will
FEEL 'head heavy.'
MOI is more important than MOI Balance
Bend Profile is more important than MOI Balance
Regardless of what a golfer's optimal MOI Balance Index is...they
will likely have to make the longer irons *feel* heavier in the head and the
short irons *feel* lighter in the head in order to make the MOI Balance Index
Cannot simply add/subtract weight from the head because it will
alter the MOI. Again, MOI is more important than MOI Balance Index.
SHAFT should change. If the shaft becomes heavier, it makes the head *feel*
lighter. If the shaft becomes lighter, it makes the head *feel*
1-gram of lead tape on clubhead = 10 to 12 MOI points
1-gram of lead tape on the balance point on the shaft = 5 MOI