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What's a sacrificial anode, sagging sampson-post or scum valve?
Featured terms
Ramform hull
The concept of the triangular-shaped hull form with an extraordinary wide stern, developed by Roar Ramde and originally adopted for Norwegian Navy surveillance ships.
Pump
A machine used to raise liquids from a low level to a higher one, or to provide liquid with an increase in energy enabling it to flow or build up a pressure.
Porthole, port light, sidescuttle
A circular opening in the ship side to provide light and ventilation. A hinged metal cover or deadlight can be clamped over to secure in heavy weather.