STAINLESS STEEL PROPELLER RUBEX NS3-E 14X23 LEFT

Function and technical context

The Rubex NS3-E 14x23 propeller is the direct propeller of the boat, transmitting the power of the marine engine to the water through the controlled rotation of its blades. Installed on the tailshaft or stern of the engine, this left propeller works in the propulsion system, converting mechanical energy into hydrodynamic thrust that propels navigation. The stainless steel construction resists marine corrosion and erosion caused by salt water, ensuring a long life without structural degradation. Its correct selection according to the 14-inch diameter and 23-inch pitch is critical to optimize speed, fuel consumption and available engine torque in each navigation regime.

When to replace this part?

The propeller must be replaced when it shows visible deformation in the blades, loss of section due to cavitation, cracks, or when the thrust and maximum speed of the boat decrease without apparent cause in the engine. If the rotation becomes inefficient, excessive vibration occurs in the transmission or water ingress is detected in the shaft area, preventive inspection and replacement will prevent secondary damage to bearings, seals and gearboxes. Replacing a damaged propeller preventively is more economical than repairing driveshaft components later.

Equivalent manufacturer part numbers