I think the equation you are looking for is this:
Force(@ ball when struck) = Mass(of club) x Velocity squared (swing speed)
Since the Velocity is squared, a small change will make more of a difference than in increase in...
Had the Nickent Arc clubs, thought I would try the newer irons to see what I was missing. Bought the FP set, and really can't tell any difference at all. Not that the FP's are bad, just no improvement over the Nickent.
Should have kept...
Wow - just read the entire thread - lots of strong opinions out there.
My 2 cents:
The place I normally play has bent grass greens, and to keep them alive in the Memphis summer, they keep them wet, so extra spin generated by the Pro V1...
Cleveland Launcher Steel, 15 and 19 degree.
My swing has changed of late, however, and they are going to be relegated to the basement for a while. Gonna get a 2 hybrid and see how that works, and add an extra wedge.