A boat heel compensation method and system, and a boat with said system
A BRAKING CONTROL SYSTEM TO SHIPS BY ELECTRIC PROPULSION
ACCELERATING DUCTED PROPELLER SYSTEM FOR PROPELLING BOATS
Accelerating ducted propeller system for propelling boats
Accumulator module and swimming and diving aid having such an accumulator module
A COLLAPSIBLE, SHIELDED PROPELLING UNIT THROUGH A MEDIUM, SUCH AS WATER, AND A VESSEL WITH SUCH UNIT
A COLLAPSIBLE, SHIELDED PROPELLING UNIT THROUGH A MEDIUM, SUCH AS WATER, AND A VESSEL WITH SUCH UNIT