Self Steering...........

I have been musing over the possibility of building a "self steering" gadget for Diva. Looking at commercial devices they mostly seem to be constructed of welded tube or aluminium castings and both of these ways of putting things together, I don't have the technology, so a composite construction looked good, being strong and importantly light. I have been making the bearing housings using a plastic form (in black). These are the wind vane bearings - I'm using some plastic bearings with glass balls as this needs to be built with as little friction as possible. More to follow...........