Originally Posted by jackcrawford
Check out pgs 132-133 of Technical Tennis - modern racquets can put four times, or 400 %, as much topspin on the ball, leading to much faster swings because the topspin will bring the ball down into the court. A ball that can be hit totally flat like an overhead on top of the net is where the 2% figure would come in.
Thanks, Jack. I have the book upstairs, but haven't read it recently. I'll look at it tonight before I go to bed. Regardless, I think you are right on about that. I hit with my Jack Kramer woodie occasionally and only get modest amounts of topspin with it compared to my huge and modern RDS001 mid strung with gut and SPP HEX.