Research
Notes and data from my own builds.
What I have learned building and re-building my own irons since 2021, with the actual numbers. The articles are free. The full data sets behind them are planned as one-time data packs.
Free articles
Written from my own build sheets and launch-monitor sessions.
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Free
MOI-matched irons: one build, by the numbers
How my current irons were matched on MOI instead of swing weight, with the full as-built table and what it did to swing weight.
Read the article -
Free
Why I stopped bending my irons upright
Four lie-angle changes in one season, a strike pattern that did not move, and what finally did.
Read the article -
Free
Five years of my own iron builds
From a standard swing-weighted set in 2021 to an MOI-matched set in 2024, with specs for each stage.
Read the log -
Free
A gapping audit of my own bag
What my 12-club distance model says about my wedge and long-club gaps, and what I would change.
Read the article
Data packs
The full data behind the articles, planned as one-time downloads. Coming soon; none are on sale yet.
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Data pack
Seven-iron shaft test data
One head, eight shaft configurations, shot-level launch-monitor data from an October 2024 test.
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Data pack
Complete build sheets
Every dated spec from my 2021 to 2024 sets: head weights, lengths, lofts, lies, swing weight, and MOI.
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Data pack
Launch-monitor archive
About 10,000 of my own shots from 2021 to 2026, cleaned and summarized by club and season.
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In development
Fitting check report
A review of your own launch-monitor numbers by club category, with plain-language notes.