MS

A ship propelled by internal-combustion engines


Related Terms

CAM

Eccentric shaft used in most internal combustion engines to open and close valves.

AHEAD REACH

The distance traveled by a vessel proceeding ahead at full power from the time the engines are reversed until she is at full stop.

BUNKER

Fuel consumed by the engines of a ship

TUG

A boat equiped with powerful engines for towing or pushing large ships or barges

COMPRESSION RATIO

The ratio of the absolute pressure at the discharge from a compressor divided by the absolute pressure at the suction. For internal combustion engines compression ration is absolute pressure at the end of compression stroke divided by absolute pressure at beginning of this stroke

TORSIONAL VIBRATION

There are two main kinds of torsional vibration: a continuous steady form that comes from reciprocating engines and an intermittent for in that comes from large synchronous electric motors or from the driven equipment side in steel rolling mills.

POPPET

1. One of the timber and steel structures supporting the fore and aft ends of a ship for launching from sliding ways. 2. A spring-loaded ball engaging a notch; a ball latch.

OCEANOGRAPHIC DREDGE

A device used aboard ship to bring up large samples of deposits and sediments from the ocean bottom.

MOLDED LINES

Full-size lines of a ship or airplane which are laid out in a mold loft.

LONGITUDINAL STABILITY

The ability of a ship or aircraft to recover a horizontal position after a vertical motion of its ends about a horizontal axis perpendicular to the centerline.

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