What is the spin rate difference between a grooveless wedge and a traditional wedge with grooves?

Category: Equipment
Grooveless Wedge
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Clue

Yes, grooveless wedges do create spin. But is it 20%, 50% or 80% less?

Answer

According to a test conducted by Rick Shiels a wedge with grooves creates 12,000rpm and a grooveless wedge creates 6,000rpm of spin.

More interesting reading and links of interest

Check out the German club manufacturer, Bagger Vance's, grooveless irons and wedges.