An arch to mount the radar, usually at the stern of the boat.

States that the total pressure of a mixture of gases is equal to the sum of the partial pressures of the constituent gases. The partial pressure is the pressure each gas would exert if it alone occupied the volume of the mixture.

[meaning]

Most common material is phenolic resin-impregnated laminated fabrics, such as asbestos or cotton cloth. For oil free service, bronze and carbon/graphite vanes are used.

A control line, usually a multi-purchase tackle, secured to the boom to prevent it from lifting. Can also apply to other spars, such as gaffs.

All the various sails carried on board a yacht.

see Monkey Jacket.

A pneumatic hand held percussive drill designed as a boring tool.

[meaning]

A hull with the bottom section in the shape of a "V."

The distance traveled after correction for current, leeway and other errors that may not have been included in the original distance measurement.

To attempt to contact another boat or shore, either by voice or radio.

An inert gaseous element.

A term for what frequently happened to Nantucket whalers when they left the whaling ship in a small boat to go after a whale. If they harpooned the whale without mortally wounding it, the animal took off with the whaleboat in tow.

Measuring point for compressor acceptance test. Pressure at the compressor outlet flange.

Is a single shaft, positive displacement rotary compressor.

[meaning]

Volume flow rate measured in cubic meters per minute (or per hour)

An object designed to increase the radio reflectivity of a boat so that it is more visible on radar. Many small boats are made with fiberglass and other materials that do not reflect radar very well on their own.

A wood or fiber cover placed around such containers as cans and bottles.