Mark pitted a 2020 Callaway Mavrik super-game-improvement iron against a muscleback/blade from the 1980s. He used a statistician to help, and tested a decent number of shots, though at the beginning he said about 40 with each club, so spread across three types of quality of strike, that's not a "huge" data set.
Anyway, the data…
Dynamic Loft:
Mavrik Max: 24.6° (7-iron)
Top Flight: 24.4° (6-iron)
Clubhead Speed:
Mavrik Max: 87.5 MPH
Top Flight: 88.3 MPH
Here's how Mark defined the three categories of strike:
I think the results will surprise many.
Ca