Dave: Comment below:
> > > And on the matter of the USGA testing of the thin face drivers I > > designed that were for lower swing speeds. The USGA will conduct their > > COR test at ball firing speed less than their standard of 109mph if you > > tell them that the head is designed so it would not withstand that > > 109mph speed. I remember having to tell them this TWICE when they broke > > two of the drivers designed for a 75-90mph swing speed range. And at > > the slower test speed they still came up with a COR that they treated as > > "official" for the head. > > Actually, THAT was my concern in the last note I posted. Thanks for that > information. > > Max, I'm still interested in knowing why you think the thinner face would > not have to be submitted for testing. Especially given Tom's answer. > > Thanks! > DaveT I think Tom answered my question. The USGA tests at 109 mph and the thinner face might break at that speed. So you don't get it tested. Tom said that they will test at lower speeds however. Max...
