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  2. Metacentric height - Wikipedia

    en.wikipedia.org/wiki/Metacentric_height

    When a ship is at equilibrium, the centre of buoyancy is vertically in line with the centre of gravity of the ship. [1] The metacentre is the point where the lines intersect (at angle φ) of the upward force of buoyancy of φ ± dφ. When the ship is vertical, the metacentre lies above the centre of gravity and so moves in the opposite ...

  3. Twistlock - Wikipedia

    en.wikipedia.org/wiki/Twistlock

    The female part of the connector is the 7×7× 4 + 1 ⁄ 2 in (180×180×110 mm) corner casting, which forms each of the eight corners, welded to the container itself, and has no moving parts, only an oval hole in the tops of the four upper corners, and in the bottom of the four lower corners. The hole is an oval 4.9 in (124.5 mm) on the long ...

  4. Container chassis - Wikipedia

    en.wikipedia.org/wiki/Container_chassis

    A container chassis, also called intermodal chassis or skeletal trailer, is a type of semi-trailer designed to securely carry an intermodal container. Chassis are used by truckers to deliver containers between ports , railyards, container depots, and shipper facilities, [ 1 ] : 2–3 and are thus a key part of the intermodal supply chain .

  5. Stowage plan for container ships - Wikipedia

    en.wikipedia.org/wiki/Stowage_plan_for_container...

    Container vessels are built to contain as many containers as possible, accordingly the vessels are divided into sections: Accommodation, the space which contains all crew cabins; Bridge, the command center of the ship, the space which contains steering wheel, telegraph, radars, ECDIS, charts for navigation and publications

  6. Draft (hull) - Wikipedia

    en.wikipedia.org/wiki/Draft_(hull)

    A ship's draft/draught is the "depth of the vessel below the waterline measured vertically to the lowest part of the hull, propellers, or other reference point". [1] That is, the draft or draught is the maximum depth of any part of the vessel, including appendages such as rudders, propellers and drop keels if deployed.

  7. Double-stack rail transport - Wikipedia

    en.wikipedia.org/wiki/Double-stack_rail_transport

    A 20-foot (6.1 m) container is limited to 24 tonnes (26.5 short tons; 23.6 long tons) and two such can fit into a car for a 40-foot (12.2 m) container, or even three if double-stacking [citation needed], but not four unless very high axle load is permitted. The North American railways permit two 53-foot (16.15 m) containers as shown in the ...

  8. Intermodal container - Wikipedia

    en.wikipedia.org/wiki/Intermodal_container

    An intermodal container, often called a shipping container, or cargo container, (or simply “container”) is a large metal crate designed and built for intermodal freight transport, meaning these containers can be used across different modes of transport – such as from ships to trains to trucks – without unloading and reloading their ...

  9. Wiggler (tool) - Wikipedia

    en.wikipedia.org/wiki/Wiggler_(tool)

    Center finder. A center finder is a tool used to align the machining center to a precision location on a work piece. Often these locations might be marked using a layout method (coating the surface with layout stain and scribing a precise location with the intersection of the two lines identifying the position to be machined, etc.