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  2. Copper sheathing - Wikipedia

    en.wikipedia.org/wiki/Copper_sheathing

    Copper sheathing is a method for protecting the hull of a wooden vessel from attack by shipworm, barnacles and other marine growth through the use of copper plates affixed to the surface of the hull, below the waterline. It was pioneered and developed by the Royal Navy during the 18th century. In antiquity, ancient Chinese used copper plates ...

  3. Resorcinol glue - Wikipedia

    en.wikipedia.org/wiki/Resorcinol_glue

    Resorcinol glue, also known as resorcinol-formaldehyde, is an adhesive combination of resin and hardener that withstands long-term water immersion and has high resistance to ultraviolet light. [ 1 ] [ 2 ] The adhesive, introduced in 1943, has been popular in aircraft and boat construction.

  4. Thread seal tape - Wikipedia

    en.wikipedia.org/wiki/Thread_seal_tape

    Thread seal tape (also known as PTFE tape, Teflon tape, or plumber's tape) is a polytetrafluoroethylene (PTFE) film tape commonly used in plumbing for sealing pipe threads. The tape is sold cut to specific widths and wound on a spool, making it easy to wind around pipe threads.

  5. Sealant - Wikipedia

    en.wikipedia.org/wiki/Sealant

    Sealant is a substance used to block the passage of fluids through openings in materials, [1] a type of mechanical seal. In building construction sealant is sometimes synonymous with caulk (especially if acrylic latex or polyurethane based) [2] and also serve the purposes of blocking dust, sound and heat transmission. Sealants may be weak or ...

  6. Load line (watercraft) - Wikipedia

    en.wikipedia.org/wiki/Load_line_(watercraft)

    The load line, also known as Plimsoll line, indicates the legal limit to which a ship may be loaded for specific water types and temperatures in order to safely maintain buoyancy, [1] particularly with regard to the hazard of waves. The load line is a waterline that corresponds to the maximum draft of the ship, thus yet another name, load ...

  7. Hull (watercraft) - Wikipedia

    en.wikipedia.org/wiki/Hull_(watercraft)

    Volume (V or ∇) is the volume of water displaced by the hull. The volume of a ship's hull below the waterline (solid), divided by the volume of a rectangular solid (lines) of the same length, height and width, determine a ship's block coefficient. Coefficients [5] help compare hull forms as well:

  8. Damage control (maritime) - Wikipedia

    en.wikipedia.org/wiki/Damage_control_(maritime)

    USS Princeton: After an Iraqi naval mine damaged the cruiser during the 1991 Gulf War, her crew fought fires and sealed cracks in the hull, then repaired electronic systems, bringing the Aegis Combat System back on line within 2 hours. USS Cole: immediate measures to stop sinking after the ship was bombed in 2000.

  9. 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.