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Fore or forward: at or toward the front of a ship or further ahead of a location (opposite of "aft") [1] Preposition form is "before", e.g. "the mainmast is before the mizzenmast". Inboard: attached inside the ship. [15] Keel: the bottom structure of a ship's hull. [16] Leeward: side or direction away from the wind (opposite of "windward"). [17]
Fore-and-aft rigs include: Rigs with one mast: the proa, the catboat, the sloop, the cutter; Rigs with two masts: the ketch, the yawl; Rigs with two or more masts: the schooner; Barques and barquentines are partially square rigged and partially fore-and-aft rigged. A rig which combines both on a foremast is known as a hermaphroditic rig.
The vertical/Z axis, or yaw axis, is an imaginary line running vertically through the ship and through its centre of mass. A yaw motion is a side-to side movement of the bow and stern of the ship. The transverse/Y axis, lateral axis, or pitch axis is an imaginary line running horizontally across the ship and through the centre of mass. A pitch ...
Roll or heel: about a fore and aft axis Longitudinal stability for longitudinal inclinations, the stability depends upon the distance between the center of gravity and the longitudinal meta-center. In other words, the basis in which the ship maintains its center of gravity is its distance set equally apart from both the aft and forward section ...
1. In, on, or toward the fore or front of a vessel. [3] 2. In front of a vessel. aft Toward the stern or rear of a vessel. To the purist, this is an adverb (e.g. "he walked aft") with the corresponding adjective being after (e.g. "the after mooring cleat") [10] after Towards the stern. This is an adjective, unlike aft which is an adverb. [10 ...
The pilot's use of control inputs in a hover is as follows: the cyclic is used to eliminate drift in the horizontal plane (e.g., forward, aft, and side to side motion); the collective is used to maintain desired altitude; and the tail rotor (or anti-torque system) pedals are used to control nose direction or heading. It is the interaction of ...
A vessel's motion, rotating about the beam /transverse axis, causing the fore and aft ends to rise and fall repetitively. pitchpole To capsize a boat stern over bow, rather than by rolling over. pivotting To turn a sailing barge in shallow water by dropping the leeboard so it drags in the mud, then putting the helm hard over. The maneuver is ...
Tire forces are divided into three axes: radial, lateral, and tangential (or fore-aft). The radial axis runs from the tire center toward the tread, and is the vertical axis running from the roadway through the tire center toward the vehicle. This axis supports the vehicle's weight. The lateral axis runs sideways across the tread.