capacitor-start motor
81Electric power transmission — Electric transmission redirects here. For vehicle transmissions, see diesel electric transmission. 400 kV high tension transmission lines near Madrid Electric power transmission or high voltage electric transmission is the bulk transfer of… …
82Appropriate technology — (AT) is technology that is designed with special consideration to the environmental, ethical, cultural, social and economical aspects of the community it is intended for. With these goals in mind, AT typically requires fewer resources, is easier… …
83Intercooler — For the Australian rock group, see Intercooler (band). An intercooler (original UK term, sometimes aftercooler in US practice), or charge air cooler, is an air to air or air to liquid heat exchange device used on turbocharged and supercharged… …
84Hunting (engineering) — Hunting is a self exciting oscillation of a system, and is common in systems which incorporate feedback. It is an important phenomenon in many fields, including engineering, economics and biology.Mathematical basis of huntingSelf exciting… …
85O-ring — This article is about the mechanical seal. For other uses, see Oring. Typical O ring and application An O ring, also known as a packing, or a toric joint, is a mechanical gasket in the shape of a torus; it is a loop of elastomer with a disc… …
86Cylinder (engine) — Illustration of an engine cylinder with a cross section view of the piston, connecting rod, valves and spark plug. A cylinder is the central working part of a reciprocating engine or pump, the space in which a piston travels. Multiple cylinders… …
87Bicycle lighting — has two purposes: seeing and being seen. There are many types of bicycle lights available, each with its own advantages and disadvantages. There is no one best solution for any rider, and many riders mix and match different technologies to… …
88Overhead valve — OHV redirects here. OHV may also refer to Off highway vehicle. Components of a pushrod valve actuation system …
89Electrostatic generator — An electrostatic generator, or electrostatic machine, is a mechanical device that produces static electricity , or electricity at high voltage and low continuous current. The knowledge of static electricity dates back to the earliest… …
90History of special relativity — The History of special relativity consists of many theoretical and empirical results of physicists like Hendrik Lorentz and Henri Poincaré, which culminated in the theory of special relativity proposed by Albert Einstein, and subsequent work of… …
