Aviation

Aviation

Dealing with vehicles or machines used in flight or propulsion through the air.

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Aviation > Aeronautics

extrusion

Aviation; Aeronautics

A form of structural material made by passing metal heated to its plastic state through specially shaped dies. The extruding process is used to make long, continuous lengths of ...

arch

Aviation; Aeronautics

A form of structure with curving sides and a wedge-shaped keystone at the top. An arch supports weight by transmitting the force caused by its weight through its curving sides ...

chain hoist

Aviation; Aeronautics

A form of tackle used in a shop to lift heavy weights. A chain hoist uses an endless loop of chain to rotate the drive gear in a planetary gear system. The chain that supports and ...

beam-power tube

Aviation; Aeronautics

A form of tetrode (four-element) electron tube that uses two beam-forming electrodes, or plates, to shape the flow of electrons so they travel from the cathode to the plate in ...

external tooth lock washer

Aviation; Aeronautics

A form of thin, spring-steel lock washer. The inside of the washer fits around the bolt or screw, and the outside is notched to form teeth, each of which is twisted. When the nut ...

aerodynamic blockage thrust reverser

Aviation; Aeronautics

A form of thrust reverser used on turbojet or turbofan engines. Thin airfoils or obstructions are placed in the engine’s exhaust stream to duct the high-velocity exhaust gases ...

triac

Aviation; Aeronautics

A form of thyristor, similar to a silicon controlled rectifier, except it controls current flow in either direction. A triac acts as two SCRs connected in parallel, with the anode ...