The Data Log
Notes from our fitting bay — practical explanations of the numbers that actually shape your ball flight and scores.
MOI Matching: The Number Most Golfers Ignore
What moment of inertia actually measures, and why matching it across your set can shrink your miss pattern more than chasing raw distance.
Read article →Spin Rate & Ball Flight
How spin rate interacts with launch angle to determine carry, and why "more spin" and "better spin" are two very different things.
Read article →How Wrong Grip Size Wrecks Your Face Angle
Why the wrong grip size is one of the most common, cheapest-to-fix issues we see — and how it quietly changes face angle at impact.
Read article →Launch Angle Optimization
Why the "best" launch angle depends entirely on your ball speed and spin rate — there's no universal number to chase.
Read article →Set Makeup & Gapping
How to decide where irons stop and hybrids or fairway woods take over, based on real carry distance gaps instead of tradition.
Read article →Reading Your Strike Pattern Like a Fitter Does
What a strike-location heat map reveals about your swing that ball flight alone can't tell you.
Read article →Put This Data to Work
Reading about fitting concepts is a start — seeing your own numbers on a launch monitor is where it actually clicks.