Aeronautics

Aeronautics

The branch of science that deals with flight aerodynamics and with the operation of all types of aircraft.

Contributors in Aeronautics

Aeronautics

A measure of the rate of decay of radioactive material. In one half-life, the material decays, or loses one half of its radioactivity. In the next half-life interval, the material loses one half of ...

Joule

Aviation; Aeronautics

A measure of work in the kilogram-meter-second system of units. One joule is the amount of work done when a force of one newton moves an object one metre in the direction in which the force is ...

Microinches rms

Aviation; Aeronautics

A measure used for cylinder wall surface roughness. One microinch is equal to one millionth of an inch (0.000 001 inch). If a cylinder wall is required to have a roughness of 20 microinches rms (20 ...

Circular inch

Aviation; Aeronautics

A measurement of area of circular objects. One circular inch is the area of a circle whose diameter is one inch. One circular inch is equal to 0.7854 square inch.

Inch-pound

Aviation; Aeronautics

A measure of torque, or the rotation that is caused by a force of one pound acting one inch from the centre of rotation..

Electroplating

Aviation; Aeronautics

A method of coating one kind of metal with another. Cadmium is often plated on steel to make it corrosion resistant, and chromium can be plated on steel to make it hard and wear resistant. The steel ...

Radius dimpling

Aviation; Aeronautics

A method of cold-forming the edges of a hole in a piece of sheet metal so it can be riveted with flush rivets. A cone-shaped male die fits into the rivet hole and forces the metal down into a ...