Improvement introduced in propeller propeller for boats maru00ectimas, river and lake

摘要

"Improvement introduced in propeller propeller for boats maru00ectimas, river and lake.Utility model patent for a propeller propulsion equipment belonging to the field of sports.Which was developed with the goal of providing a better engine performance and better maneuverability with high fuel economy and autonomy of vessels when in comparau00e7u00e3With the similar ones.It is understood by a cylindrical shaft (1) which are set the flat bases (2) of the blades (3) with curved body defined by side edges (4) winding and upper extremity (5) gently conveXa with flap (6) of the edge (7) arranged parallel to the flow, also convex (and) taking into account the contraction of the same.