Not a good AD for your ball machine. Mine clogs too though. I was playing 27.5-inch racquets for a while, mostly to get the swing weight UP without adding lead. My target SW is 320 and much higher and I cannot serve as fast or I mishit balls. Back to 27-inch for me. I play with a 313 SW now and rarely late on a ball.
I have not. I've hit extended Diadem Nova, Head Radical tour XL and a Yonex RD70 Long. To be honest I'm not a fan of extended frames. I've tried several and always found them a little off in how they for me. Although I would love to get my hands on one of Diego Schwartzman's racquets.
