magnus effect rotor stabilisers.
interesting reading on how they work, few companies doing them.
Vas would make them in to keel coolers too ??I thought they were simply a way to cool the engines...... But Mr Vas is way ahead of most as usual
MagnusMaster - DMS Holland
Is that the boat at hamble point?I saw these on a Steeler Dutch boat.
Don't think they are stabilisers newish boatView attachment 129726