RUBEX 3-C ALUM PROPELLER 11.1X14 RIGHT

Function and technical context

The Rubex three-blade aluminum propeller with 11.1 x 14 pitch and right-hand rotation is the fundamental propulsion element in marine transmission systems. This part converts the rotary power of the engine into hydraulic thrust, allowing the boat to move and maneuver in the water. The aluminum material provides structural strength while maintaining moderate weight, while the Rubex coating protects against galvanic corrosion in saline environments. A propeller in good condition ensures maximum propulsive efficiency, navigation stability and predictable rudder behavior.

When to replace this part?

Symptoms indicating propeller wear or failure include abnormal engine vibration, reduction in top speed without apparent cause, asymmetrical behavior in turns, or visible misalignment of the blades. It is recommended to inspect the propeller before each sailing season and after groundings or impacts with submerged objects; Erosive wear on the leading edges and small deformations are normal with prolonged use, but cracks or loss of material require immediate replacement. Changing the propeller preventively when the first symptoms are detected avoids overloading the engine and costly repairs on more complex transmission elements.

Equivalent manufacturer part numbers