RingProp - With Charts

Looks like ringprop is sill on sale.

RingProp Propeller - 9.8" x 12.7" (Diameter x Pitch)
Overton's Item # 74129

The new force in marine propulsion! The ringed 3-blade aluminum RingProp is the result of years of research and development and the evolution of advanced computer modeling. The patented aerofoil ring shields the prop blade tips from swimmers and marine life. RingProp offers improved thrust by controlling the directional flow of the water with the ring rather than the blade edge. Torque steer, the tendency for the boat to steer in the direction of the prop rotation, is eliminated. RingProp also helps to eliminate the fouling of anchor ropes and lines caused by exposed prop tips. Engines - Mercury 40-60 hp 2-stroke ('77 and up) Honda 40-50 hp 4-stroke ('95 and up).


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