main propulsion reduction gear
1Composite gear housing — Fiber reinforced composite material is used for weight reduction of engineering structures. Carbon fiber reinforced composite plastic material is commonly used in the aerospace industry. John Barnard tried to incorporate this material in a gear… …
2USS George K. MacKenzie (DD-836) — George K. MacKenzie after FRAM II conversion Career …
3Gas turbine — Microturbine redirects here. For turbines in electricity, see Small wind turbine. For turbines driven by the flow of gas, see Turbine. A typical axial flow gas turbine turbojet, the J85, sectioned for display. Flow is left to right, multistage… …
4Powered hang glider — A foot launched powered hang glider (FLPHG), also called powered harness, nanolight or hangmotor, is a powered hang glider harness with a motor and propeller in pusher configuration. An ordinary hang glider is used for its wing and control frame …
5Controllable pitch propeller — A controllable pitch propeller (CPP) or variable pitch propeller is a type of propeller with blades that can be rotated around their long axis to change their pitch. If the pitch can be set to negative values, the reversible propeller can also… …
6Wheelchair — seating in a theater (i.e. giving a dedicated, convenient space left free for a user to position his own wheelchair in the cinema) …
7S5G reactor — The S5G reactor was a prototype naval reactor designed for the United States Navy to provide electricity generation and propulsion on warships. The S5G designation stands for:* S = Submarine platform * 5 = Fifth generation core designed by the… …
8Queen Elizabeth class aircraft carrier — The Queen Elizabeth class aircraft carriers (formerly the Carrier Vessel Future (CVF) project) are a two ship class of aircraft carrier being developed for the Royal Navy. HMS Queen Elizabeth is expected to enter service in 2014, HMS Prince of… …
9Airbreathing jet engine — An airbreathing jet engine (or ducted jet engine) is a jet engine propelled by a jet of hot exhaust gases formed from air that is drawn into the engine via an inlet duct. All practical airbreathing jet engines are internal combustion engines that …
10V-boat — The V boats were a group of nine United States Navy submarines built between World War I and World War II from 1919 to 1934. These were not a ship class in the usual sense of a series of nearly identical ships built from the same design, but… …
