water-jet propulsor
1Pump-jet — A pump jet or water jet is a marine system that creates a jet of water for propulsion. The mechanical arrangement may be a ducted propeller with nozzle, or a centrifugal pump and nozzle. The first functioning pump jet engine was created by New… …
2Acoustic signature — is used to describe a combination of acoustic emissions of ships and submarines. Contributing factorsThe acoustic signature is made up of a number of individual elements. These include:*Machinery noise: noise generated by a ships engines,… …
3Swashplate engine — Almen A 4 barrel engine A swashplate engine, also called a barrel engine, is one type of axial engine. Swashplate engines are a type of reciprocating engine that replaces the common crankshaft with a circular swashplate which rotates. The key… …
4Astern propulsion — (as applied to a ship) is a maneuver in which a ship s propelling mechanism is used to develop thrust in a retrograde direction. Astern propulsion does not necessarily imply the ship is moving astern ( in reverse ); astern propulsion is used to… …
5Astute class submarine — The Astute class submarines are the next generation nuclear fleet submarines of the Royal Navy. When completed, the boats will set a new standard for the Royal Navy in terms of weapons load, improved communications facilities, stealth and comfort …
6Vanguard class submarine — The Vanguard class are the Royal Navy s current nuclear ballistic missile submarines (Ship Submersible Ballistic Nuclear or SSBN), each armed with up to 16 Trident II Submarine launched ballistic missiles (SLBMs). The class was introduced in 1994 …
7Propeller — A propeller is essentially a type of fan which transmits power by converting rotational motion into thrust for propulsion of a vehicle such as an aircraft, ship, or submarine through a mass such as water or air, by rotating two or more twisted… …
8History of submarines — The history of submarines covers the historical chronology and facts related to submarines , manned autonomous boats that operate underwater. It includes the history of submersibles , which were designed primarily to operate on the surface, and… …
9Tecomán — Escudo …
