vehicle water propulsion by screws

См. также в других словарях:

• Marine propulsion — For the operation of ship engines, see Engine department (ship). For the design of ships, see Naval architecture. A view of a ship s engine room Marine propulsion is the mechanism or system used to generate thrust to move a ship or boat across… …   Wikipedia

• Screw propulsion — may also refer to propeller propulsion. Screws can be used for vehicle propulsion. This works best over water, snow, sand, and other soft surfaces, although it can work as effectively over solid surfaces. This is normally done with pairs of… …   Wikipedia

• ship — shipless, adj. shiplessly, adv. /ship/, n., v., shipped, shipping. n. 1. a vessel, esp. a large oceangoing one propelled by sails or engines. 2. Naut. a. a sailing vessel square rigged on all of three or more masts, having jibs, staysails, and a… …   Universalium

• Landing Ship, Tank — A Canadian LST off loads an M4 Sherman during the Allied invasion of Sicily in 1943. Landing Ship, Tank (LST) was the military designation for naval vessels created during World War II to support amphibious operations by carrying significant… …   Wikipedia

• air-cushion machine — ▪ vehicle Introduction also called  ground effect machine,  or  hovercraft,         any of the machines characterized by movement in which a significant portion of the weight is supported by forces arising from air pressures developed around the… …   Universalium

• Propeller — 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… …   Wikipedia

• Submarine — For other uses, see Submarine (disambiguation). A Japan Maritime Self Defense Force Oyashio class submarine in 2006 A submarine is a watercraft capable of independent operation below the surface of the water. It differs from a submersible, which… …   Wikipedia

• History 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… …   Wikipedia

• Elevator — For other uses, see Elevator (disambiguation). A set of lifts in the lower level of a London Underground station. The arrows indicate each elevator s position and direction of travel …   Wikipedia

• History of perpetual motion machines — The history of perpetual motion machines dates back to the Middle Ages. For millennia, it was not clear whether perpetual motion devices were possible or not, but the development of modern thermodynamics has indicated that they are impossible.… …   Wikipedia

• Metal Gear (weapon) — For the series named after the weapon, see Metal Gear. For the original video game titled Metal Gear, see Metal Gear (video game). From left to right: Metal Gear TX 55, Metal Gear D, and Metal Gear REX. Metal Gear (メタルギア …   Wikipedia