Replacement Propeller, Propeller Dia. (In.) 18 in, Bore Dia. (In.) 1/2 in, CFM @ 0.000-In. SP -, CFM @ 0.150-In. SP 2,841 cfm, CFM @ 0.300-In. SP -, Min. HP 1/5 hp, Max. RPM 1,100 RPM, Pitch (Deg.) 36 Degrees , CW Rotation, Number of Blades 3,...