https://www.titleist.com/teamtitleist/team-titleist/f/club-fitting/16881/rip-shaft-60-stiff-in-910d3-vs-910d2-launch-angles Same basic questions as my previous topic. I was hitting a 910D2 9.5* with the RIP 60 Stiff and getting really decent numbers on launch angle and spin rate. I was getting 12*-14* launch angle with about 2600rpm lowest at 2200. Where I was demoing themen-USTelligent Community 10https://www.titleist.com/teamtitleist/thread/75672?ContentTypeID=1Wed, 09 May 2012 15:23:34 GMT9ab519fc-5311-4952-85cd-0a0ceffb73fb:04a06241-c67c-4bb3-898a-3d368a844222Cameron D<p>Joe,</p> <p>The D3 will lower your launch slightly, so you should see a both numbers drop. &nbsp;With our robot testing, we&#39;ve found that the D2 will launch .25* higher and spin 200 RPM more.</p> <p>Cameron</p> <p>1-888-TITLEIST&nbsp;</p><div style="clear:both;"></div>