The type QS series covers applications on semi-planning
boats with moderate top speeds. The type Q series covers applications on planning boats with
high top speeds. Volvo Penta IPS Q4 Propellers specifically developed for
IPS3 with D13 pod drive engines to give outstanding efficiency, onboard comfort
and maneuverability. Extremely strong and specially developed NiBral
(nickel-bronze-aluminum) alloy. Minimum growth, excellent durability and corrosion
resistance. Patented flow deflector minimizes pressure and wear on
propeller shaft seals. Three-blade front propeller and four-blade rear
propeller.