Did it… actualy had to add special hinge thing as of course mono wheel need stabilized join … now to test ;“)
I have made a junction from an inverted rotating wheelchair axel but ... its too shalow on the trailer axis and leads to serious oscillatory behavior on the road (not on gravel strangely) so I'll need to replace it with a more simple door hinge that will restrict the DOF more strictly ...
aside from that it seems light and very capable
I'm happy and eager to hit the road with a stabilized version
see next episode
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