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Miller indices
Miller indices, group of three numbers that indicates the orientation of a plane or set of parallel planes of atoms…
Micro and Macro Structure of Solid Materials
Micro Structure of Solid Materials: The appearance of the structure of a material under a microscope is called microstructure. Optical…
Crystal Structure of Solid Materials
A crystal is a solid whose constituents are arranged in a systematic manner. The distinctive features of solids are their…
Atomic Structure of Solid Materials
An atom of any element consists of the nucleus and the electrons. The nucleus is a stationary mass, situated at…
Structure of Solid Materials
Materials differ from one another because of the differences in their properties. Differences in properties of various materials are due…
Construction and Materials
Gears The spur gears of the external or auxiliary gearbox gear train (fig. 7-4 and 7-5) are mounted between bearings…
External & Auxiliary gearbox
External Gearbox The external gearbox contains the drives for the accessories, the drive from the starter and provides a mounting…
Radial driveshaft
The purpose of a radial driveshaft is to transmit the drive from the internal gearbox to an accessory unit or…
Accessory drives
Accessory units provide the power for aircraft hydraulic, pneumatic and electrical systems in addition to providing various pumps and control…