Also rubbing strake or rub strake. An applied or thickened member at the rail, running the length of the boat; serves to protect the hull when alongside a pier or another boat.

A belt and line or wire used to help a crew hike out beyond the edge of a boat to counteract the boat's heel. Usually used on small vessels for racing.

Is the reversal of flow within a dynamic compressor that takes place when the capacity being handled is reduced to a point where insufficient pressure is being generated to maintain flow. Also known as surge.

The manner in which a shipment moves; i.e., the carriers handling it and the points at which the carriers interchange.

(1) Clear, not tangled. (2) sailing free: a vessel is sailing free when her sheets are eased. (3) running free: to sail with the wind from astern.

(1) To stop moving. (2) Usually air travels smoothly along both sides of a sail, but if the sail is not properly trimmed, the air can leave one of the sides of the sail and begin to stall. Stalled sails are not operating efficiently.

A recess into the keel or a framework fixed to the keelson in which the mast is placed

Fresh water mixed with sea water, having a density between 1,000 and 1,026 kg/cm3

The difference between the diameter of a shaft rod, etc., and that of the hole in which it works.

- A hitch used for bending a line to a spar, which if tied properly, won't slip. The end of the line is passed around the spar and then passed a second time around so it rides over the standing part. Then it is carried across and up through the bight.

Said of a vessel that is firm, strong, and unlikely to develop leaks.

Brass work, polished (also varnished wood work in yachts).

The interaction between the stages of a centrifugal compressor. When a multi-stage compressor is designed, each stage can operate at only one point its characteristic curve. The point is determine by the design conditions of temperature, flow and pressur ...

In spray painting applications, Spray equipment which delivers material at a low pressure of no more than 10 PSI (at the air cap), however, with greater volume of air.

To bring a sailing vessel to a stop with her sails still set. This can be accomplished on a square rigged ship by bracing the yards aback on her foremast; on fore-and-aft rigged boats it is done by bringing her head into the wind so that the sails are no ...

see Devil

Sideward force created by a spinning propeller.

An all around white light displayed at night by a ship when she is anchored.

The pressure at which a pressure operated valve begins to pass a gas.

Abbreviation for "Standard Transportation Commodity Code."