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Traverse board

Index Traverse board

The traverse board is a memory aid formerly used in dead reckoning navigation to easily record the speeds and directions sailed during a watch. [1]

16 relations: Chip log, Compass, Compass rose, Crewman, Dead reckoning, Helmsman, Knot (unit), Navigation, Relative direction, Rhumb line, Rule of marteloio, Sail, Ship, Ship's bell, Speed, William Bourne (mathematician).

Chip log

A chip log, also called common log, ship log, or just log, is a navigation tool mariners use to estimate the speed of a vessel through water.

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Compass

A compass is an instrument used for navigation and orientation that shows direction relative to the geographic cardinal directions (or points).

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Compass rose

A compass rose, sometimes called a windrose or Rose of the Winds, is a figure on a compass, map, nautical chart, or monument used to display the orientation of the cardinal directions (north, east, south, and west) and their intermediate points.

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Crewman

Crewman is a generic term for a crew member serving in the operation of an aircraft, naval vessel, or train.

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Dead reckoning

In navigation, dead reckoning is the process of calculating one's current position by using a previously determined position, or fix, and advancing that position based upon known or estimated speeds over elapsed time and course.

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Helmsman

A helmsman or helm is a person who steers a ship, sailboat, submarine, other type of maritime vessel, or spacecraft.

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Knot (unit)

The knot is a unit of speed equal to one nautical mile per hour, exactly 1.852 km/h (approximately 1.15078 mph).

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Navigation

Navigation is a field of study that focuses on the process of monitoring and controlling the movement of a craft or vehicle from one place to another.

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Relative direction

The most common relative directions are left, right, forward(s), backward(s), up, and down.

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Rhumb line

In navigation, a rhumb line, rhumb, or loxodrome is an arc crossing all meridians of longitude at the same angle, that is, a path with constant bearing as measured relative to true or magnetic north.

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Rule of marteloio

The ''tondo e quadro'' (circle and square) from Andrea Bianco's 1436 atlas The rule of marteloio is a medieval technique of navigational computation that uses compass direction, distance and a simple trigonometric table known as the toleta de marteloio.

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Sail

A sail is a tensile structure—made from fabric or other membrane materials—that uses wind power to propel sailing craft, including sailing ships, sailboats, windsurfers, ice boats, and even sail-powered land vehicles.

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Ship

A ship is a large watercraft that travels the world's oceans and other sufficiently deep waterways, carrying passengers or goods, or in support of specialized missions, such as defense, research and fishing.

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Ship's bell

A ship's bell is used to indicate the time aboard a ship and hence to regulate the sailors' duty watches.

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Speed

In everyday use and in kinematics, the speed of an object is the magnitude of its velocity (the rate of change of its position); it is thus a scalar quantity.

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William Bourne (mathematician)

William Bourne (c. 1535–1582) was an English mathematician, innkeeper and former Royal Navy gunner who presented the first design for a navigable submarine and wrote important navigational manuals.

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References

[1] https://en.wikipedia.org/wiki/Traverse_board

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