Archive for November, 2012
a tactical maneuver where a windward boat impedes a leeward boat’s wind by keeping the leeward boat in the covering boat’s wind shadow. This is done to slow down the leeward boat or to force her to change course. At the same time, the covered boat can time her tacks to stay in phase with wind shifts and diminish any lead the covering boat has. Also referred to as hard cover or tight cover. See also: herding and sit in their face.
to ease into position without fully deploying. For example, you may sneak up (partially hoist) your jib as you approach the leeward mark so you can much more quickly hoist and set your jib as you round the mark.
jargon for the act of sending a few crew members down below when the winds are really light. There, they can relax on the leeward cushions near the mast. This eliminates the wind drag from their being on deck (and clogging the slot), while their weight is concentrated closer to the boat’s center of gravity. This also helps to reduce pitching in leftover waves and swell. Not always fun for the crew, but they can get out of the sun, have some food, and catch up on some reading. Crew sent below are also sometimes referred to as bilge buddies or mushrooms, because it is dark and wet below. See also: sewer.
DuPont Teijin Films’ trademarked name for the polyester film used in sail construction because of its high strength and light weight.
a specialized navigation computer that overlays GPS and other data onto electronic navigational charts (ENCs). It is used to perform route planning and navigation functions, including real-time display of a boat’s location on the appropriate chart. A chart plotter may also display a boat’s speed and course, as well as the time, distance, and bearing to the destination or next waypoint, all in real time. Other data that may be displayed includes information from radar, automatic information systems (AIS), depth sounders and thermometers. See also: tactical/routing software.
small-scale weather phenomena that range in size from a few inches to a few miles or with life spans of less than a few minutes and that are strongly influenced by local temperature and terrain conditions. Larger phenomena are classified as mesoscale.