Volvo Penta Type NS4 Duoprop Propeller Set for IPS-15 Drives. OEM # 21916044
Genuine OEM Volvo Penta Type NS series NiBral propellers. Available sets include, NS4, NS5.
Specifically developed for IPS with D8 engine to give outstanding efficiency, on-board comfort and maneuverability.
NS series are designed for semi-planing hulls with moderate top speeds.
• 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.
Volvo Penta IPS Twin Counter-Rotating Propellers face forward.
3-Blade Front Propeller
4-Blade Rear Propeller
The Nibral (nickel-aluminum-bronze) propeller alloy is developed to add to the revolutionary Volvo IPS propulsion system's outstanding performance. The design combined with a material that withstands stress & corrosion, as well as minimizing growth, ensure optimum performance and outstanding maneuverability.
1 - 21815881 Propeller cone
2 - 963699 Hex socket screw
3 - 21815875 Propeller nut, front
4 - 21816205 Felt washer
5 - 21913550 Line cutter
6 - 21815872 Propeller nut, rear
7 - 21808200 Flow deflector
VOLVO PENTA IPS 15 N/NS SINGLE PROPELLERS