Products for Marine Propulsion Systems
Contra Rotation Thrusters
The Contra Rotation Azimuth Thruster is a ruder propeller with contra rotating propellers. The Thruster can be used as main propulsion and can be supplied with a electric-, diesel- or hydraulic drive system. Typical applications for Contra Rotation Thrusters are river going passenger vessels where noise if a critical issue.
Advantages
- Higher efficiency with same propeller diameter
- Same efficiency with reduced propeller diameter
- Full thrust throughout 360˚
- Compact and solid design though ZF ease-off gear concept
- Tailor made well and stem design to suit the hull design
- Available as L- and Z-Drive
- Ease of serviceability
- Beneficial for shallow-draught applications
- Reduced noise due to lower blade load
- Possibility to operate the thruster with biodegradable lubrication oil
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