feedback
Enter marine-related query and AI bot will look for best match in our DB.
 

A device to correct the ship's compass, for example counteracting errors due to the magnetic effects of a steel hull.



Related Terms

EKMAN CURRENT METER

A mechanical device for measuring ocean current velocity which incorporates a propeller and a magnetic compass and can be suspended from a moored ship.

E-LINK

A bracket attached to one of the arms of a binnacle to permit the mounting of a quadrantal corrector in an intermediate position between the fore-and-aft and athwartship lines through a magnetic compass

FIGURE OF MERIT

A performance rating that governs the choice of a device for a particular application; for example, the figure of merit of a magnetic amplifier is the ratio of usable power gain to the control time constant.

COEFFICIENT J

A change in magnetic compass deviation, varying with the cosine function of the compas

FLINDERS BAR

A bar of soft unmagnetized iron placed vertically near a magnetic compass to counteract deviation caused by magnetic induction in vertical soft iron of the craft

B-H METER

A device used to measure the intrinsic hysteresis loop of a sample of magnetic material.

CORELESS-TYPE INDUCTION HEATER

A device in which a charge is heated directly by induction, with no magnetic core material linking the charge. Also known as coreless-type induction furnace.

VIBRATING NEEDLE

A magnetic needle used in compass adjustment to find the relative intensity of the horizontal components of the earth’s magnetic field and the magnetic field at the compass location. Also called HORIZONTAL FORCE INSTRUMENT.

MAGNETIC MERIDIAN

A line of horizontal magnetic force of the earth. A compass needle without deviation lies in the magnetic meridian.

SHADOW PIN

A small rod or pin used to cast a shadow on an instrument, such as a magnetic compass or sun compass, to determine the direction of the luminary; a GNOMON.

Related questions

MarineProHelp 2018 - 2020

First time here? Check out the FAQ!

If you've arrived to new location and wonder how to dress comfortably according to weather, check Comfiesto

×