There are currently 86 names in this directory beginning with the letter B.
Back sail
Sail which pushes in an opposite direction to motion, used to brake or keep the boat stationary
Barogram
Diagram of the atmosperic pressure trend written by the pen of a barograph on a paper wrapped by a cylinder
Barograph
Instrument used to measure atmosperic pressure. Similar to barometer but providing an immediate measurement
Beaufort Francis
English admiral who lived in the 19th century. He invented the homonymous scale used to measure wind
Beaufort Scale
A classification of wind force into 12 categories commonly used by seamen iframe src="https://www.youtube.com/embed/WwDNWm6IEVw" frameborder="0" width="560" height="315">/iframe>
Belaying-pin rack
Wooden or steel ring on the basis of the mast, where belay pins are fixed in order to block running riggings.
Bell
In the past, it was used to mark time; today, it is used to indicate a danger singnal or position in case of low visibility.
Block coefficient
Ratio between bottom lines and a cylinder, whose diameter is equal to bottom's depth. Value 1 indicates an almost cylindrical bottom; low values indicate a thin bottom. Catamarans have the highest block coefficient
Boat
Term used for all crafts with a lenght between 10 and 24 metres, including sailing and motor boats.
Boat hook
Wooden pole fitted with a hook or knob at one end, used for fending off or picking up lines at a dock or mooring/
Boom
Wooden or aluminium pole supporting the lower part of the mainsail, fixed on the mast through a junction which allows it to change direction according to wind/p
Bow-thruster
An auxiliary motor and propeller mounted athwartships at the bow, and employed to maneuver the ship sideways.
Bowsprit
Wooden or aluminium pole supporting the lower part of the mainsail, fixed on the mast through a junction which allows it to change direction according to wind
Bulb
Swelling of the fore part of a ship to increase speed; terminal part of a centre board in a sailing boat, generally made of plumb or cast iron, used to increase stability
Bulkhead
Vertical structure which separates two zones in the cabin. Sometimes, it can be watertight in order to increase safety in case of collision
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