Disclosed is an apparatus for use in propelling a watercraft having: * a housing; * a central hub; and 5 0 a plurality of blades; the apparatus arranged such that the blades and hub are provided within the housing and the blades are fixed to the housing and to the hub, the apparatus is formed such that when in use with an engine on a watercraft, activation of the engine causes the shaft, hub, blade and housing to all rotate resulting in the apparatus propelling the 10 watercraft across or through the water. Figure 1
Apparatus for propelling watercraft.
2016-05-05
Patent
Elektronische Ressource
Englisch
IPC: | B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING |