Airframe

Airframe

Airframe construction features, assembly and rigging, fabric covering, structural repairs, and aircraft welding.

Industry: Aviation

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Airframe

air-cycle cooling system

Aviation; Aircraft maintenance

A system for cooling the air in the cabin of a turbojet-powered aircraft. Compressor bleed air passes through two heat exchangers where it gives up some of its heat; then, it drives an expansion ...

precipitation heat treatment

Aviation; Aircraft maintenance

A method of increasing the strength of heat-treated aluminum alloy. After the aluminum alloy has been solution-heat-treated by heating and quenching, it is returned to the oven and heated to a ...

A pressure-control valve that relieves any pressure over the amount for which it is set. They are damagepreventing units used in both hydraulic and pneumatic systems. In an aircraft hydraulic system, ...

nailing strip

Aviation; Aircraft maintenance

A method of applying pressure to the glue in a scarf joint repair in a plywood skin. A strip of thin plywood is nailed over the glued scarf joint with the nails extending into a supporting structure ...

pressure-demand oxygen system

Aviation; Aircraft maintenance

A type of oxygen system used by aircraft that fly at very high altitude. This system functions as a diluter-demand system until, at about 40,000 feet, the output to the mask is pressurized enough to ...

lightening hole

Aviation; Aircraft maintenance

A hole cut in a piece of structural material to get rid of weight without losing any strength. A hole several inches in diameter may be cut in a piece of metal at a point where the metal is not ...

vortex generator

Aviation; Aircraft maintenance

Small, low-aspect-ratio airfoils installed in pairs on the upper surface of a wing, on both sides of the vertical fin just ahead of the rudder, and on the underside of the vertical stabilizers of ...