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Blue safety line tied off to the red jackline with clip. A jackline is also a rope installed in the luff of a mainsail to allow the luff slides to migrate horizontally away from the mast when the sail is reefed. By allowing the slides to migrate, more space is left in the mast track for the upper luff slides to descend, making the operation easier.
A mooring mast, or mooring tower, is a structure designed to allow for the docking of an airship outside of an airship hangar or similar structure. More specifically, a mooring mast is a mast or tower that contains a fitting on its top that allows for the bow of the airship to attach its mooring line to the structure. [1]
Mooring involves (a) beaching the boat, (b) drawing in the mooring point on the line (where the marker buoy is located), (c) attaching to the mooring line to the boat, and (d) then pulling the boat out and away from the beach so that it can be accessed at all tides.
Types of rig (ie the configuration of masts and sails) used on sailing vessels and specific items of rigging used on sailing vessels, from full-rigged ships to sailboats Contents Top
The primary advantage of adjusting the cunningham is the speed and ease with which the luff tension can be changed while sailing or racing. By either hauling or easing the line, the tension in the luff can be changed, thereby shifting the point of maximum draft of the sail forward or aft respectively, optimizing sail shape and thus performance ...
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For a given sail area a gaff rig has a shorter mast than a Bermudan rig.In short-ended craft with full body, heavy displacement and moderate ballast ratio, it is difficult to set enough sail area in the Bermudan rig without a mast of excessive height and a centre of effort (CE) too high for the limited stability of the hull. [8]
HMS Thetis aground Warping or kedging is a method of moving a sailing vessel, typically against the wind or current, after running aground, or out from a dead calm, by hauling on a line attached to a kedge anchor, a sea anchor, or a fixed object, such as a bollard or tree.