The first version lacked the ability to steer the cat in shallow waters. That is something I forgot about. I abandoned the tapered rudder planform in order to have as much usable area for steering in shallow water, moved the rear beam forward and tweaked the system to enable steering with the rudders partially up. A 35 degree rotation around the upper pivot will allow a 35cm rudder draft, good enough for beaching. The system needs tweaking for sure but I hope I can make it work without the need of casings, boxes, cassetes etc.
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