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Wärtsilä Controllable Pitch Propeller CPP

Wärtsilä Controllable Pitch Propeller CPP

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MECHANICAL DESIGN<br />

A Wärtsilä propulsion package, is including<br />

both hardware and mechanical design.<br />

Based on our experience from many<br />

installations, we know how to design the<br />

shaftline and sterntube to ensure a lifelong<br />

and troublefree operation with respect to<br />

bearing and sealing problems. Another major<br />

contribution for mechanical design is the<br />

avoidance of any whirling, axial- or any other<br />

natural frequencies related phenomenon<br />

LIPSTRONIC REMOTE<br />

CONTROL SYSTEM<br />

10<br />

The Wärtsilä controllable pitch propellers are<br />

provided with customized electronic remote<br />

control systems covering a wide range of<br />

applications. <strong>Pitch</strong> control with constant<br />

engine speed, and combinator control with<br />

pitch and engine speed control with one lever,<br />

are available as well as load control, runningup<br />

and slow-down programmes, and also<br />

single-lever control (Lipsstick). All controls<br />

comply with the latest electronics standards<br />

and the requirements for type approvals set<br />

by all classification societies.<br />

SHIP POWER<br />

PROPULSION PACKAGES<br />

GENERAL<br />

A Wärtsilä controllable pitch propeller in<br />

combination with an Energopac, a Wärtsilä<br />

gearbox and engine forms a complete<br />

propulsion package with the benefi t of a<br />

single point of contact, both from the start of<br />

the newbuilding project and during the ship’s<br />

operation.<br />

As your single point of contact we will take<br />

care of the correct interfaces and performance of<br />

the total package during the lifetime of the vessel.<br />

GEARBOXES<br />

Wärtsilä gearboxes are often supplied in<br />

combination with controllable pitch propellers.<br />

The gears are designed to meet the highest<br />

standards of operational efficiency, reliability<br />

and low noise and vibrations. Gears can be<br />

supplied with the following configurations:<br />

• Single-input / single-output<br />

• Twin-input / single-output<br />

• With built-in multiplate clutches<br />

• Power take-off (PTO) drives<br />

• Auxiliary propulsion drive (APD)<br />

• Integrated hydraulic system for gear and <strong>CPP</strong>.<br />

ENERGOPAC<br />

Energopac is Wärtsilä’s optimised propulsion<br />

and manoeuvring solution for coastal and<br />

sea going vessels. The key objective is to<br />

reduce the vessel’s fuel consumption by<br />

integrating both propeller and rudder design.<br />

Each Energopac will be designed to fit the<br />

vessel and it’s sailing profile; this allows for<br />

Energopac to be optimised fully for energy<br />

efficiency, whilst not compromising on either<br />

manoeuvrability or comfort levels.

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