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 ship builder, or one who works about a ship. Does wood carpentry on the ship and keeps ships faired. Builds launching ways and launches ship.

A tall buoy used as a navigational aid.

The compartment at the bow of the vessel

A storage tank where sewage is stored until it can be removed to a treatment facility.

The headings of a sailboat in relation to the wind, i.e., upwind, close reach, reach, broad reach, downwind.

Are lines that supply equipment from sub headers.

An abbreviation for "Cubic." A unit of volume measurement.

An arc of a circle in which certain types of navigational lights known as sector lights are visible.

see Devil

The meridian from which longitude is measured eastwards or westwards. The longitude of the prime meridian, passing through Greenwich, England, is 0

A schematic flow sheet showing all controls involved with the system.

The total pressure minus the static pressure in an air or gas stream.

Stationed near an offshore in-stallation, responsible for evacuating its crew in emergencies. Also performs continuous guard function, warning other vessels to keep their distance from installations, etc.

Specialty compressed air treatment meeting OSHA Grade D breathing air requirements.

An adiabatic compression with no increase in entropy; a reversible-adiabatic compression.

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 ...

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

Tools that operate by air pressure.

(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.