MARINE PROPELLER

PROBLEM TO BE SOLVED: To provide a marine propeller that makes compatible in a favorable balanced manner both the suppression of the generation of cavitation at blades end and the avoidance of stress concentrations of propeller blades.SOLUTION: Two inflection points are provided at a rake distribution of propeller blades 10 of a marine propeller where a rear rake is taken from a blade root 11 up to a first inflection point 12, a front rake is taken from the first inflection point 12 to a second inflection point 13, and a rake is set zero so as to be orthogonal to a propeller shaft line A-A from a second inflection point 13 up to a blade tip 14. Preferably, the first inflection point 12 is located at a position in which a propeller radius is 40-60%, and the second inflection point 13 is located at a position in which the propeller radius is 80-95%.