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The port and starboard quarters form the bulk of the yard, extending from the slings to the fittings for the lifts and braces. Yardarms The outermost tips of the yard: outboard from the attachments for the lifts. [1] Note that these terms refer to stretches of the same spar, not to separate component parts.
Main-mast of a square-rigged brig, with all square sails set except the course. Square rig is a generic type of sail and rigging arrangement in which the primary driving sails are carried on horizontal spars which are perpendicular, or square, to the keel of the vessel and to the masts.
Braces are always used in pairs, one at each end of a yard (yardarm), [1] termed port brace and starboard brace of a given yard or sail (e.g., the starboard main-brace is the brace fixed to the right end of the yard of the main sail).
Lazy jacks (or lazyjacks) are a type of rigging which can be applied to a fore-and-aft rigged sail to assist in sail handling during reefing and furling. [1] They consist of a network of cordage which is rigged to a point on the mast and to a series of points on either side of the boom ; these lines form a cradle which helps to guide the sail ...
The hull is actually a water-tight barge that floats on the water’s surface. When the rig reaches the work site, the crew jacks the legs downward through the water and into the sea floor (or onto the sea floor with mat supported jackups). This anchors the rig and holds the hull well above the waves. [citation needed]
A jack which can lift a mobile home. A jack is a mechanical lifting device used to apply great forces or lift heavy loads. A mechanical jack employs a screw thread for lifting heavy equipment. A hydraulic jack uses hydraulic power. [1] The most common form is a car jack, floor jack or garage jack, which lifts vehicles so that maintenance can be ...