Tunnel Thruster · Bow/Stern Thrusters
The IHC/MSI CT-200 bow thruster is a 200 kW tunnel‑type unit delivering up to 24 kN of thrust through a 660 mm diameter tunnel, intended for precise low‑speed maneuvering; source-listed power 200.0 kW. The supplied category identifies it as Tunnel Thruster, and it is normally installed in a bow or stern tunnel, or in a retractable housing, with an electric, hydraulic or mechanical drive and bridge control interfaces. In that role, its primary purpose is to generate transverse or steerable thrust for low-speed manoeuvring, berthing and position control. Tunnel thrusters provide lateral thrust through a fixed transverse tunnel, while retractable azimuth units can be lowered and steered to provide vectored thrust. Within the supplied list, this entry is distinguished from neighbouring variants by its model designation and the explicitly listed power; no further model-specific difference is stated in the source. No additional performance, approval or construction detail is inferred from the model code beyond the information supplied in the source record. For exact ratings, dimensions, settings, capacities, materials and variant-specific limits, refer to the manufacturer documentation for the exact figure.
Every value below comes from the manufacturer datasheet or class-society record on file for this model.
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What our service work and the manufacturer documentation say about keeping this model running.
Inspect propeller and tunnel or retractable housing when accessible, seals, gearbox or bearings, lubrication, motor or hydraulic drive and control feedback. Review vibration, oil condition, temperature and thrust response. Test bridge and local control under an approved manoeuvring procedure. Refer to the manufacturer documentation for the exact figure for lubrication, clearance, electrical and wear limits.
Carry seals, filters, approved lubricant, motor-control or drive spares, feedback sensors and critical hydraulic, steering or electrical components.
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