WÃ¤rtsilÃ¤ introduces new waterjet series for ferries, yachts and naval vessels
WÃ¤rtsilÃ¤ Corporation, Trade & Technical press release,Â 2 March 2011
The new midsize range of WÃ¤rtsilÃ¤ waterjet solutions features convenient 'plug &
play' installation that simplifies the shipyard work. This series features
inboard hydraulics, as standard, for ease of maintenance and better economic and
WÃ¤rtsilÃ¤, the marine industry's leading solutions provider, has introduced a new
series of waterjet solutions. This new midsize series enhances WÃ¤rtsilÃ¤'s
competitive range of stainless steel jets to include all sizes from 510 mm to
3250 mm. This makes WÃ¤rtsilÃ¤ the only supplier serving both midsize and the
lower range of large Waterjet applications with a single product. The new series
is aimed particularly at the high speed ferry, high speed patrol craft, and
customized yachting segments.
The new high performance WÃ¤rtsilÃ¤ waterjets feature a number of significant
competitive advantages and are designed for long-term, reliable performance.
This is achieved through the use of high quality materials for structural parts,
and the wide use of stainless steel in the jet construction. Although aluminium
is a widely used and accepted material for jet fabrication, the WÃ¤rtsilÃ¤
solution utilizes abrasion resistant stainless steel to conserve the carefully
designed shape of the stator blades in order to retain high levels of fuel
efficiency. The impeller and shaft are also constructed from stainless steel.
These features not only deliver continuous high performance, but also notably
reduce short-term maintenance requirements.
"This enhanced midsize waterjet series makes WÃ¤rtsilÃ¤ extremely competitive for
a vast array of high speed vessel applications. The ease of installation, the
reliability, and the overall attention to detail that these waterjets
incorporate, puts them at the forefront of developments in this field," says
Aaron Bresnahan, Vice President, Special Vessels Segment, WÃ¤rtsilÃ¤ Ship Power.
Strong focus on development
The new series of WÃ¤rtsilÃ¤ waterjet comes in a fast and easy 'plug & play'
installation module that offers owners and shipyards lower installation costs
and simplified build schedules. The packaged delivery has inlet duct shapes
optimized for different hull forms, thus freeing the yard from the
responsibilities of inlet duct construction. The integral inlet duct designs
were thoroughly researched by WÃ¤rtsilÃ¤'s Computational Fluid Dynamics Department
to achieve the optimal hydrodynamic properties.
Another key element of the WÃ¤rtsilÃ¤ solution is that the hydraulic system has no
oil retaining elements protruding outside of the vessel's transom. This not only
eases maintenance, but is important from an environmental point of view.
WÃ¤rtsilÃ¤ is committed to the development of environmentally sound solutions in
all its activities. As with all WÃ¤rtsilÃ¤ products, this waterjet design series
is fully supported by WÃ¤rtsilÃ¤'s global service network that assures rapid
response regardless of where in the world the vessel is located.
In 2006, WÃ¤rtsilÃ¤ introduced its line of axial flow waterjets that is today in
operation in many 100 plus metre monohull, catamaran and trimaran designs. The
largest 26,000 kW jets are driven by the latest generation of gas turbines.
While maintaining the excellent hydrodynamic properties and extended cavitation
margins of the large axial waterjet designs, WÃ¤rtsilÃ¤'s new midsize series
represents a cost competitive, easy-to-install package for a shaft power of up
to 4500 kW.
Link to picture
Caption: The picture illustrates the cost competitive, easy-to-install package
for a shaft power of up to 4500 kW.
Jeroen de Cock
WÃ¤rtsilÃ¤ Netherlands B.V.
+31 41 6388640
Henk de Jong
Director Business Development
WÃ¤rtsilÃ¤ Netherlands B.V.
+31 04 16-388816
Tel. +358 (0)400Â 793Â 827
WÃ¤rtsilÃ¤ in brief:
WÃ¤rtsilÃ¤ is a global leader in complete lifecycle power solutions for the marine
and energy markets. By emphasising technological innovation and total
efficiency, WÃ¤rtsilÃ¤ maximises the environmental and economic performance of the
vessels and power plants of its customers. In 2010, WÃ¤rtsilÃ¤'s net sales
totalled EURÂ 4.6 billion with more than 17,500 employees. The company has
operations in 160 locations in 70 countries around the world. WÃ¤rtsilÃ¤ is listed
on the NASDAQ OMX Helsinki, Finland.
Link to picture:
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Source: WÃ¤rtsilÃ¤ Oyj Abp via Thomson Reuters ONE