Danish company Gori Propeller has been one of the foremost names in folding marine propellers used on sailboat auxiliary ...

Swiss marine giant ABB has spent more than a decade developing a radically different Voith-Schneider take on a marine ...

A bigger propeller was added and the old burnt out ... He attached ducted fans to the back of a snowboard. We like this choice since flailing limbs won’t get caught in these types of fans.

Ericsson was the inventor of the propeller, and told a curious story about his first propeller boat, and a Commission of the British Admiralty. Mr. Raymond obtained his extraordinary information ...