- 行业: Aviation
- Number of terms: 16387
- Number of blossaries: 0
- Company Profile:
Aviation Supplies & Academics, Inc. (ASA) develops and markets aviation supplies, software, and books for pilots, flight instructors, flight engineers, airline professionals, air traffic controllers, flight attendants, aviation technicians and enthusiasts. Established in 1947, ASA also provides ...
A flat, spirally wound spring used to provide a restraint for rotary motion of a shaft. Hairsprings are used in D’Arsonval-type electrical instruments to provide a calibrated restraint for the moving coil and to carry current into and out of the coil. Hairsprings are also used in spring-powered clocks and watches to regulate the movement of the balance wheel.
Industry:Aviation
A flat, spiral-wound spring made of two strips of metal laid side-by-side and welded together. The two metals have different coefficient of expansion, and as the temperature changes, the spiral either tightens or loosens.
The pointer of an analog thermocouple-type temperature indicator is mounted on a bimetallic hairspring to compensate its indication for changes in temperature of the reference junction.
Industry:Aviation
A flathead pin used to attach a clevis to a control horn. The clevis pin is inserted through the holes in the clevis and the control horn, a washer is placed on the shank of the clevis pin, and the clevis pin is secured with a cotter pin passed through the hole in its shank.
Industry:Aviation
A flat-headed solid rivet used in commercial sheet metal work. A tinner’s rivet is driven by holding its flat head on an anvil and peening the end of the shank with a peening hammer.
Industry:Aviation
A flat-sided five-gallon can, used for carrying fuel. Jerry cans are made so they stack together and fit in special racks on vehicles.
Industry:Aviation
A flaw, damage, or imperfection in a component or a piece of material that requires a repair or replacement of the part.
Industry:Aviation
A flexible belt used to drive one shaft from another. The inside of the belt is crossed with a series of teeth which mate with teeth around the outside of the drive and driven wheels. A cog belt is used for timing and for transmitting force where there must be no slippage.
Industry:Aviation
A flexible expansion joint used in an aircraft engine exhaust system to allow relative movement between the parts as heat causes them to expand and contract.
Industry:Aviation
A flexible fluid line. A hose may have threaded fittings installed in its ends for attachment to other fittings, or it may be slipped over a piece of rigid tubing and secured with hose clamps.
Industry:Aviation
A flexible, thermosetting polyether resin that has wide application as a matrix for composite materials and as an adhesive that bonds many different types of materials. Epoxy is noted for its durability and chemical resistance.
Industry:Aviation
