Jul 04, 2020     Bushing       Category: Controls

cut two 4” x 4” pieces and placed in the lathe for turning. This proved to be a little more difficult than I first thought. The arms for the chuck for the lathe hold onto about �nch of material. The ��terial needs to be trimmed in to ��In order to do this I made a smaller than 4” x 4” “spacer” out of ��ywood. This way the chuck holds onto �� plastic while I can cut away �� also tried a short video of turning the bearings.The block can be seen in this picture with the plywood block behind the plastic. Carefully turning these plastic blocks into rudder bearings.
4 July 2020 after trimming the blocks down to 2 ��D I placed them in the drill press with an adjustable bit and cut 2” ID holes. The aluminum tube for the rudder has a 2” OD. So this should be perfect. Damn no!!! Either the adjustable bit was slightly smaller or the aluminum tube is slightly larger. Not a problem (or so I thought I started on the ID of the plastic bearings) the rest of the day (about 2 hours) I tried to file away the inside of the bearings. My half round rasp files and rat tail files did almost nothing to the bearings. I did purposely try to find very strong plastic materials for these bearings.