S

374 Results
  • Shaft coupling

    A connection between two lengths of the propeller shafting. Most shafts are connected to each other by means of...

  • Shaft earthing device

    A turning propeller is electrically insulated from the hull by the lubricating oil film in the bearings. Electrical...

  • Shaft tunnel

    A watertight enclosure for the propeller shafting large enough to walk in. It extends aft from the engine room...

  • Shafting

    Shafts and associated components used for transmission of power.

  • Shale gas

    Shale gas is defined as natural gas from shale formations. The shale acts as both the source and the reservoir...

  • Shark jaws

    Remotely controlled chain and wire stoppers used onboard AHTS to unshackle lengths of wire on deck when carrying...

  • Shear force

    A force tending to cause displacement of a transverse plane due to unequal loading. The distribution of load along...

  • Shear stress

    The shear force intensity per unit area of cross section, which varies across the section. It is a consideration...

  • Sheath

    A covering fitted over the insulation of an electric cable to protect against heat, oil and chemicals. It must...

  • Shedder plate

    A section of inclined plating welded to a bulkhead within a cargo hold, commonly in way of corrugations to facilitate...

  • Sheer

    The longitudinal curve of the vessel decks in a vertical plane, the usual reference being to the ship side; in...

  • Sheer strake

    The top strake of a ship side shell plating.

  • Sheerleg

    A type of the floating crane.

  • Shell door

    Doors in the side shell can be seen on almost every type of ship and are used for various duties. The most common...

  • Shell expansion

    A plan showing the seams and butts, thickness and associated welding of all plates comprising the shell plating...

  • Shell plating

    The plates forming the outer side and bottom skin of the hull. The shell plating is of crucial importance to the...

  • Shelter deck

    A continous deck above the freeboard deck.

  • SHERLOG

    The MacGREGOR Sherlog is a type-approved, ultrasonic testing system for verification of tightness of hatch covers...

  • Shielded metal arc welding (SMAW)

    An arc welding process with an arc between a covered electrode and the weld pool.

  • Shielding gas

    Protective gas used to prevent or reduce atmospheric contamination.

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