Nautical Term: Binnacle
Definition of Binnacle
A binnacle is a sturdy stand or case designed to house a compass. The compass, which is used for navigation, is conveniently placed in the binnacle, allowing the navigator to easily consult it.
Binnacles come in various shapes and sizes to accommodate different compasses and to fit into various locations on vessels. For example, a binnacle for a ship’s navigating compass consists of a pedestal with a bowl-shaped receptacle on top. The receptacle houses the gimbals that support the compass, allowing it to remain level and stable, even in rough seas.
Another type of binnacle is the compensating binnacle, which is used to counteract the quadrantal error, or deviation, caused by the earth’s magnetization of the vessel. The compensating binnacle is typically placed immediately in front of the steering wheel, and it features brackets or arms on either side for supporting and securing the iron cylinders or spheres used to counteract the quadrantal error.
In conclusion, a binnacle is an essential component of a vessel’s navigation system. It is designed to house and protect the compass
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