The effect of the helm on a vessel; the act of steering a vessel.


Related Terms

PARALLEL LINKAGE

An automotive steering system that has a short idler arm mounted parallel to the pitman arm.

KNUCKLE POST

A post which acts as the pivot for the steering knuckle in an automobile.

KINGPIN

[MECHENG] The pin for articulation between an automobile stub axle and an axle-beam or steering head. Also known as swivel pin.

IDLER ARM

In an automotive steering system, a link that supports the tie rod and transmits steering motion to both wheels through the ends of the tie rod.

GYROPILOT

An automatic device for steering a vessel by means of control signals received from a gyrocompass. Also called AUTOPILOT

STEERING FLAT

The compartment containing the steering gear.

RUDDER

A vertical plate or board for steering a boat.

MULIE

A barge rigged with a spritsail main, and a large gaff rigged mizzen afore the steering wheel. It is sheeted to the saddle chock.

FIXED PROPELLER

A propeller mounted on a rigid shaft protruding from the hull of a vessel, usually driven by an inboard motor; steering must be done using a rudder. See also outboard motor and sterndrive.

WHEEL

The usual steering device on larger vessels: a wheel with a horizontal axis, connected by cables to the rudder.

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