LynnBlakeGolf Forums - View Single Post - LAG Thread: LAG View Single Post #7 02-12-2005, 03:10 PM wally888 Member Join Date: Jan 2005 Posts: 35 Originally Posted by MizunoJoe I agree that from Impact to Separation, the butt of the club must be connected to the ground, but no more mass is needed than that required to keep the butt of the club from backing up. So, who is going to compute the mass needed, if a driver, 44" is used and the swing speed (head speed?) is 100 mph? __________________ "Any opinions expressed here are just that, opinions and may have no bearing or resemblance to the truth!" Tis a privilege to be here! wally888 View Public Profile Send a private message to wally888 Find all posts by wally888