QUICK BT AC 386-420/460 TWIN NIBRAL PROPELLER THRUSTER WITH 30/37KW MOTORTwin Propellers are made in sturdy NiBral material. Recommended boat length 72-131 ft. Solenoids protection carter in sturdy composite material. Composite material. Bronze gearbox. Independent zinc anode from the gearbox and easily replaceable. Equipped with elastic coupling.The Gearbox is created so that the behavior of the propeller is unaffected in either direction. The conical gears that make up the gearbox are reinforced and adjusted to ensure maximum efficiency. Maintenance is not required since the special highly resistant components guarantee a perfect lubrication seal for life. The anodic zinc protection is easily replaceable.The bronze propeller gear leg is provided with a hydrodynamic profile that minimizes turbulence.The twin 4-blade NiBral Propellers guarantee maximum thrust performance and reduction in current absorption. This is made of composite materials, resistant in every condition, and fastened with self-locking nuts in stainless steel.The case that protects the reversing contactors is made of robust composite materials that are resistant to corrosion. The electrical connections are provided with quick connectors.The elastic joint that optimizes the alignment between motor and gearbox is an exclusive Quick design. This acts as an even tension device, preserving the operating system from impulses from the bow thruster, with above-average results.For use with 72 to 131 ft. boats - Tunnel inside diameter 386mm / 15.19" - Twin 4 Blade NiBral Propellers Propulsion System Double Propeller Contra-rotating (NIBRAL) Tunnel Diameter 386 mm 15" 13/64 Motor Power 37 Kw Voltage 380/690 Vac Thrust 460 Kgf (1104 lb) Weight 375 Kg (826.7 lb) Boat Size 25 - 40 m (82 - 131 ft)
