A compressor that is designed to operate at lower pressures. Usually a blower is an air compressor that operates below 2 barg, although this figure depends upon the respective manufacturer.

The maximum cylinder volume on a working side of the piston, minus the piston displacement volume per stroke. It is usually expressed as a percentage of the displace volume.

A hawser or line attached to an anchor.

Slacking a rope smartly, carefully and in small amounts.

A stay from the stem of a boat to the end of the bowsprit used to counteract the upward pull of the forestay.

term mainly used by companies selling small compressors because it makes their compressors look bigger than they really are. The swept volume is the actual displacement of the piston, forgetting such losses as bumping clearances, valve clearances, ring lo ...

(1) A point of sail between close-hauled and a run, with the wind coming from abeam. (2) A distance, or fetch. (3) Straight stretch of water between two bends in a river or channel.

Cargo that will fit into a container and result in an economical shipment.

A chemical element that is a heavy strong smelling greenish yellow imitating gas used as a bleach, oxidizing agent and disinfectant. Found in some ambient air conditions.

Watertight housing for the centerboard.

The operation of reducing a sail by taking in one or more of the reefs.

A hand held pneumatic tool. Designed to chip masonry, plaster, concrete etc.

This term is used for turbo compressors and represents the maximum flow condition. It is sometimes also referred to as stonewalling.

Convention on International Regulations for Preventing Collisions at Sea.

A type of radio carried on a boat to transmit long distances.

A short length of small rope "ratline stuff" running horizontally across shrouds, for a ladder step.

Seaman's name for the excitement on board as the ship approachs her destination, giving the crew some liberty ashore.

(1) Free, not entangled (2) To finalize all formalities in a Customs House.

Type of bulk carrier built for the carriage of coal.

Any paint gun which uses air flowing over an opening to create a vacuum to draw paint up a tube to be atomized.