Open/ducted thrusters

The standard Rolls-Royce US range comprises seven standard Z-drive units with input powers from 330-3,050kW and a bollard pull ranging from 11-99 tons.

For each model there is a number of propeller diameters available with options of FP, CP propellers - ducted or open and contra rotating propellers. 

Modular design means customers can select from 33 configurations to closely match the thruster size and power to the application. They are ideal for tugs, offshore supply and some cargo vessels.

Features

• Open or ducted options, with fixed pitch, controllable pitch and contra-rotating propellers
• Reduction ratios optimised for the application
• Diesel or electric drive
• Rugged design with three mounting options

Mounting options

Bolt-in, top mounted - The casing plate is welded into the hull. The complete thrusters unit is lowered onto the casing flange and bolted into position.

Weld in standard

The upper assembly is welded into the hull. The propeller unit is then bolted to the upper section.

Weld in spider

The upper assembly (complete with lower hull ring) is raised/lowered into position and welded in place. The hull ring is then profiled to the hull and the residue removed. The propeller unit is then bolted to the upper section.