Tunnel thrusters

The Rolls-Royce range of tunnel thrusters (TT) is available with either fixed-pitch or controllable-pitch propellers and a power range from 200 to 3,700kW.

Tunnel thrusters - standard range

Rolls-Royce tunnel thrusters (TT) come with FP or CP propellers and power outputs from 200-3,700kW.

Tunnel thrusters - super silent range

The Rolls-Royce range of Super Silent thruster (TT-SS) is designed for exceptionally low noise operation.

The standard range is available to suit four design duties:

• Standard type (Aux)

• High Ice-class

• Continuous service (Shallow draught vessels)

• Continuous service (Deep draught vessels)

To meet Comfort Class requirements, ship designers can select from the 'Super Silent' range.

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