Thats why the photo ?, I was talking about the way I made my MMS , We cut a pipe for the center of the shaft and mounted a ball on top . I went to boco bearing .com the the bearings. ,, I have went as far as making a glass ball and We were getting in fo on useing a 2.4 video TRans , rec. in head . I want to put realtime flight data and video being trans to a ground base.I am going to make sure that the video and lazer are some were not in the same freq so they want white out the video cam at night. My test beds being from pod and boom like older gmp cobras and xcells .mechs.. The video is controled by radio number 2 .no control of the heli . just video. PS . Kw MIKe keep in touch . I am class of 77 from FT campbell I allso know of three people that are from there and have great jobs like you . The F-22 , Bell , and F16 .. all class of 77or 78