This 15.5" x 12" 4 blade propeller draws on APC's vast experience in propeller design and aerodynamics. Like all multi- blade propellers, the extra blades impose a greater load and generates increased...
This 15.5" x 12" 4 blade propeller draws on APC's vast experience in propeller design and aerodynamics. Like all multi- blade propellers, the extra blades impose a greater load and generates increased thrust for a given RPM, so they normally run slower and quieter than an equivalent loading, larger two blade prop.