Rob,



If shunting needs less rudder action than tacking, then it would
make sense to experiment

with laminar flow rudder blades (eg. NACA 66-012) instead of
turbulent rudder blades (NACA 0012), wouldn´t it ?

We are still working on the wing mast.



Best regards,



Myriam & Youri

Wangka bvba

Belgium