A sail plan in which the main and/or mizzen, or the foresail of a schooner, is of triangular shape, very long in the luff and set from a tall mast. This is almost now universal in all sailing yachts.

The frames or timbers of a ship as they rise from the keel to form the shape of the hull.

The horsepower input to the compressor shaft, or more generally to any driven machine shaft.

A manmade structure, in or around a harbor, designed to break the force of the sea, thus providing shelter.

Attempting to import merchandise into a country at a price less than the fair market value, usually through subsidy by exporting country.

(0.2+0.02 log10(Vc)) Vc (4d/3D)2, for passenger ships the following formula is added: 1.25 (GT+10000)/10000 (N1+(N2/10)), where Vc is the volume of cargo holds, D is the distance between ship's bottom and the uppermost deck, d is the draught N1 is the num ...

An instrument that uses sound waves to measure the distance to the bottom.

Straps to hook your feet under in cockpit when hiking out.

A steamship. A ship propelled by a steam engine.

The rotating element of a machine and, in the case of a compressor, is composed of the impeller (impellers) and shaft, and may include shaft sleeves and a thrust balancing device.

The power required at the compressor drive shaft. Losses in external transmissions such as gears and belt drives are not included.

An order to make haste.

Compartment in the hold of a containership into which a shipping container fits exactly.

To throw an oar out of the rowlock, and raise it perpendicularly on its end, and lay it down in the boat, with its blade forward.

Sudden and rapid flow of tide in certain rivers and estuaries which rolls up in the form of a wave. also known as Eagre.

A mast supported by the use of lines or wire known as stays and shrouds.

A pneumatic percussive drill designed as a boring tool.

Line attached to the bottom of the boom used to flatten the sail by pulling the boom down, and thus tightening the luff of the sail. (2) A line used for hauling down a jib or staysail.

Seaman who was born aboard a warship. As this was once considered to be one of the essentials of the perfect seaman, it has long been a complimentary term.

is an ideal process that may be stopped and made to retrace its steps and restore to the systems or surroundings all work and heat previously removed. It is frictionless.