About
Careers
Investors
Media
Sustainability
Contact
Region
Home
Contact
Argentina
Australia
Azerbaijan
Bangladesh
Brazil
Bulgaria
Canada
Chile
China
Colombia
Cyprus
Denmark
Dominican Republic
Ecuador
Estonia / Baltic
Finland
France
Germany
Greece
Hungary
India
Indonesia
Italy
Japan
Kenya / East Africa
Korea
Malaysia
Mexico
Morocco
Netherlands
Norway
Pakistan
Panama
Papua New Guinea
Peru
Philippines
Poland
Portugal
Puerto Rico / Caribbean
Romania
Russia
Saudi Arabia
Senegal / West Africa
Singapore
South Africa
Spain
Sri Lanka
Sweden
Switzerland
Taiwan
Turkey
UAE / Middle East
United Kingdom
USA
Venezuela
Vietnam
Wärtsilä Online
Home
Marine
Energy
Customer support
Insights
WÄRTSILÄ
Encyclopedia
of Marine Technology
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
What's a sacrificial anode, sagging sampson-post or scum valve?
Download
Featured terms
AHTS SIEM PEARL
Anchor Handling, Tug, Supply Vessel SIEM PEARL, based on Wärtsilä Ship Design’s VS491 CD design, was delivered in 2009 by Kleven Yard in Ulsteinvik (Norway).
Bridge visibility
Risk of collision has always accompanied marine transport. Despite improved navigating equipment, this risk is even greater today due to the growing number of bigger and faster vessels.
Governor, speed governor
During normal operation, the engine speed is controlled by a governor which regulates the injected fuel quantity corresponding to the load. The governor shall prevent the engine from exceeding the rated speed by more than 15%.
