Airframe

Airframe

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

Industry: Aviation

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Airframe

cavitation

Aviation; Aircraft maintenance

A condition that exist in a hydraulic pump when there is not enough pressure in the reservoir to force fluid to the inlet of the pump. The pump picks up air instead of fluid.

coin dimpling

Aviation; Aircraft maintenance

A process of preparing a hole in sheet metal for flush riveting. A coining die is pressed into the rivet hole to form a sharp-edged depression into which the rivet head fits.

deep-vacuum pump

Aviation; Aircraft maintenance

A vacuum pump capable of removing almost all of the air from a refrigeration system. A deepvacuum pump can reduce the pressure inside the system to a few microns of pressure.

absolute pressure regulator

Aviation; Aircraft maintenance

A valve used in a pneumatic system at the pump inlet to regulate the compressor inlet air pressure to prevent excessive speed variation and/or overspeeding of the compressor.

dutch roll

Aviation; Aircraft maintenance

An undesirable, low-amplitude coupled oscillation about both the yaw and roll axes that affects many swept wing airplanes. Dutch roll is minimized by the use of a yaw damper.

fuel totalizer

Aviation; Aircraft maintenance

A fuel quantity indicator that gives the total amount of fuel remaining on board the aircraft on one instrument. The totalizer adds the quantities of fuel in all of the tanks.

butyl

Aviation; Aircraft maintenance

Trade name for a synthetic rubber product made by the polymerization of isobutylene. Butyl withstands such potent chemicals as phosphate ester-base (Skydrol) hydraulic fluids.