2013-10-02 10:18:03 -
Wärtsilä Corporation, Trade Press release, 2 October 2013 at 11 am EET
Wärtsilä, the marine industry's leading solutions and services provider,
introduces a new series of both steerable and transverse thrusters that will
further develop the current portfolio. The new Wärtsilä Steerable Thruster
series (WST) is being introduced to replace the company's Modular Thruster and
Compact Thruster series, while the new Wärtsilä Transverse Thruster series (WTT)
is replacing the current range of transverse thrusters. The new products have
been developed in response to changing market demands, requiring competitive
thruster products which are more efficient and cover a wider power range.
This major product development project was launched by Wärtsilä's Propulsion R&D
already in 2011. The latest insights in thruster design were implemented using
state-of-the-art numerical simulation tools. The first product to
pilot phase is a 4500 kW under water (de)-mountable steerable thruster, the WST-
45-U, which began its pilot phase in summer 2013. Two more products, the WST-14
and the WTT-11, are scheduled to begin their pilot phase before the end of this
year. Wärtsilä will continue the introduction of different sizes of thrusters in
the coming years based on market requirements and customer priorities.
The new thrusters are available for various types of vessel depending on the
size and features of the product. For example, the WST-45-U is designed mainly
for the offshore drilling market; the WST-14 is intended for tugs up to 45tBP,
inland waterway vessels, and for river/sea going cargo ships. This thruster is
compatible with both medium speed and high speed (1800 rpm) diesel engines. The
WTT-11 is a 1100 kW tunnel thruster designed mainly for merchant cargo vessels.
The new WST and WTT units come with several added features, such as an increased
power range, an 8° tilted propeller gearbox, and a new Wärtsilä Thruster Nozzle
for the thrusters designed for offshore drilling. The new thrusters intended for
tug boat applications also have the new nozzle, which improves performance and
has a high level of system integration as well. The new tunnel thrusters are
more compact and efficient than earlier versions.
"The marine sector is undergoing a period of significant change and
technological advancement, and this next generation Wärtsilä thruster portfolio
has been developed in line with these trends by utilizing the latest calculation
tools and model testing to secure the hydrodynamic leadership of the products.
The new products are even more efficient and reliable than earlier, as well as
being lighter and easier to install," says Mr Arto Lehtinen, Vice President
Propulsion, Wärtsilä Ship Power.
Links to pictures:
Wärtsilä Steerable Thruster WST-45-U
Wärtsilä Steerable Thruster WST-14
Wärtsilä Transverse Thruster WTT-11
For further information please contact:
Mr Wim Knoester
Sales Director, Propulsion
Wärtsilä Ship Power
Tel. +31 6513 75851
Ms Mirja-Maija Santala
Tel. +358 400 793 827
Wärtsilä in brief
Wärtsilä is a global leader in complete lifecycle power solutions for the marine
and energy markets. By emphasising technological innovation and total
efficiency, Wärtsilä maximises the environmental and economic performance of the
vessels and power plants of its customers. In 2012, Wärtsilä's net sales
totalled EUR 4.7 billion with approximately 18,900 employees. The company has
operations in nearly 170 locations in 70 countries around the world. Wärtsilä is
listed on the NASDAQ OMX Helsinki, Finland.
Wärtsilä Steerable Thruster WST-45-U:
Wärtsilä Transverse Thruster WTT-11:
Wärtsilä Steerable Thruster WST-14:
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Source: Wärtsilä Oyj Abp via Thomson Reuters ONE