Line on a chart linking points of equal depth. also known as a Depth Contour.

A traditional maritime saying to indicate that it is time for a morning drink, it was generally assumed that in northern latitudes the sun would show above the foreyard of a ship by 11.00 which was approximately the time in many ships of the forenoon "sta ...

Amount of time for a compressor to complete one cycle.

Running a compressed air system at a higher than needed pressure.

Transverse or longitudinal partitions separating portions of the ship ("walls" in a ship).

Vibration isolation mount. Provides reductions in vibration transmission.

Liquefied Petroleum Gas, or a carrier of LPG.

A person or firm who transacts all business in a port on behalf of shipowners or charterers. Also called shipping agent; agent.

The post that the rudder is attached to. The wheel or tiller is connected to the rudder post.

LPG or propane for short. Propane is a common fuel used for cooking and heating. CNG natural gas is considered safer because propane is heavy than air and will sink into the bilge if it leaks, creating the potential for an explosion. Propane is more easil ...

In wooden ship construction, these were cylindrical pins of oak which were used to secure the planks to her timbers. Pronounced "trennels".

A valve that controls the flow of air that passes through the valve. Used often for retardation or timing circuits, but especially for regulating the piston speed in cylinders.

The tall, narrow, waterproof box that houses a vessel's centerboard and allows it to be retracted into the ship's hull.

A measurement applied to filters or filter media to indicate the particle size at which suspended solids above that size will be removed.

A design in which the forestay does not go to the very top of the mast, but instead to a point 3/4-7/8 of the way up the mast.

A type of knot used to fasten an anchor to its line.

A formula of the specific factors or elements that control the making of a rate. A rate can be based on any number of factors (i.e., weight, measure, equipment type, package, box, etc.).

An instrument for measuring the amount of air flow of a compressor. Measured in CFM.

Cubic feet per minute (cfm) of air required at the inlet to the distribution system.

To change the course of a sailing vessel.