Driver Fitting
A driver shaft installed with the grain running the wrong way can bend inconsistently under load no matter how good the launch-monitor numbers look. We check that before anything else gets measured.
Grain First, Then the Launch Monitor
Every candidate shaft gets spine-found and grain-oriented on the bench before it's ever hit, since a shaft installed blind can twist unevenly through impact in a way the launch monitor alone won't explain.
From there we log dispersion across ten or more swings per candidate driver, since one good swing tells you far less than a cluster does.
What Actually Moves in a Driver Fitting
Launch & Spin Window
We chart launch angle against spin rate to find the combination that carries longest without ballooning or diving.
Face Angle at Impact
Slow-motion camera capture reads face angle independent of path, which is what actually determines starting direction on most swings.
Shaft Grain Orientation
A shaft's grain determines how consistently it flexes under load. We orient it before build, not after complaints start.
Head Design & MOI
Moment of inertia shapes forgiveness on off-center strikes. Higher-MOI heads resist twisting; lower-MOI heads suit players who shape shots on demand.
Loft & Face Angle Settings
Adjustable hosels let us dial in loft in half-degree steps once the shaft and head are locked, not before.
Grip Size & Texture
Grip diameter and wrap material change hand action through impact, which can quietly shift face angle at contact. We check both on every driver session.
What a Bench Session Tends to Fix
Ball Flight Curving Right
Nine times out of ten this traces back to where the face is pointing relative to the swing path, which is nearly impossible to untangle by eye alone.
Ballooning Instead of Carrying
A shaft that's too soft or too much loft can push spin rate past the point where added height stops adding distance.
A Pattern Nobody Had Flagged
Once ten swings are logged side by side on the monitor, a shot pattern usually surfaces that felt random from inside the swing itself.
A Grip Bought Off a Size Chart
Standard sizing gets close but rarely exact. Testing wrap texture against your own grip pressure often clears up a miss that looked like a swing flaw.
Find Out What Your Driver Is Actually Doing
Budget about an hour, bring what's currently in the bag, and expect demo heads from several manufacturers to compare against it. Every session ends with a printed sheet you keep either way.