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A unit of bearing equal to the angle made by 1 ⁄ 32 of a circle, i.e. 11.25 degrees. A turn of 32 points is a complete turn through 360 degrees. point up. Also head up. To change the direction of a sailboat so that it is more upwind, i.e. to bring the bow windward. This is the opposite of falling off. points of sail
1. A position half way along the length of a ship or boat. [13] 2. A position half way between the port and starboard sides of a ship or boat, as in "helm amidships", when the rudder is in line with the keel. [13] ammunition ship A naval auxiliary ship specifically configured to carry ammunition, usually for combatant ships and aircraft.
An arc of a circle with the same length as the radius of that circle corresponds to an angle of 1 radian. A full circle corresponds to a full turn, or approximately 6.28 radians, which is expressed here using the Greek letter tau (τ). Some special angles in radians, stated in terms of 𝜏. A comparison of angles expressed in degrees and radians.
A half-turn may refer to: One half of a full turn, an angle measure equivalent to 180 degrees or π radians Considering only points in a plane, a half turn is equivalent to a point reflection; Pi (π), a mathematical constant representing a half-turn in radians; A U-turn: a driving maneuver used to reverse direction
The boat is then righted, bailed out, and the sails reset, so that in the event of an uncontrolled capsize, the boat and its occupants are familiar with the procedure and may recover. Most small monohull sailboats can normally be righted by standing or pulling down on the centreboard , daggerboard (or bilgeboard in a scow ) to lift the mast ...
Depending on the angle of the true wind with respect to the course sailed, a reach may be close, beam, or broad, as follows: A close reach is a course closer to the true wind (more upwindwards) than a beam reach, but below close-hauled; i.e., any angle between a beam reach and close-hauled. The sails are trimmed in (hauled towards the ...
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A hard chine is an angle with little rounding, where a soft chine would be more rounded, but still involve the meeting of distinct planes. Chine log construction is a method of building hard-chine boat hulls. Hard chines are common in plywood hulls, while soft chines are often found on fiberglass hulls.