"> Rolls-Royce/Kongsberg Kamewa CPP 2500mm 5B
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Rolls-Royce/Kongsberg

Kamewa CPP 2500mm 5B

Rolls-Royce/Kongsberg Kamewa CPP 2500mm 5B is listed as a Controllable-Pitch Propeller (CPP) within the Shaft Line & Propulsion category. It is typically installed at the aft end of the propulsion shaft line, operating in the vessel’s wake outside the hull. Its engineering role is to convert shaft torque into hydrodynamic thrust for vessel propulsion. The complete model designation should be retained when matching drawings, certificates, service information and spare parts because neighboring variants may differ in configuration even when they share the same equipment family. The exact shipboard arrangement and interfaces remain installation-specific and should be checked against the vessel’s approved drawings and equipment documentation. Where an operating value, tolerance, wear limit or setting is not explicitly stated in the source data, refer to the manufacturer documentation for the exact figure.

Components & Design

Component data being added…

Technical Data

propeller diameter mm 2500
rpm 140
blade count 5
material NiAlBz

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Common failures & inspection points

Cavitation or erosion can damage blade surfaces, seen as pitting, roughness and loss of hydrodynamic finish
Impact with debris or grounding can bend or crack blades, noticed as vibration, imbalance or visible deformation
Corrosion or coating breakdown can attack exposed surfaces, seen as pitting or wastage
Poor shaft-line alignment or bearing condition can create uneven loading, noticed as vibration and abnormal bearing trends
For controllable-pitch arrangements, hub-seal or pitch-mechanism faults can impair pitch control, seen as oil leakage or inconsistent thrust response

Service & Maintenance

Inspect blade surfaces, leading and trailing edges, hub condition and evidence of impact, erosion, cracking or corrosion whenever access is available. Correlate propeller condition with shaft-line vibration and bearing observations. Repair dimensions, balancing criteria and allowable damage limits must follow class-approved and manufacturer procedures.

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Replacement Parts

Onboard spares are generally limited to approved hub seals, fasteners or CPP hydraulic/service items where applicable; major blade or hub repairs require yard or specialist support.
Equipment Model #72730 · ✓ still in production