low-inertia high-torque motor
41Radio-controlled aircraft — A radio controlled aircraft (often called RC aircraft or RC plane) is a model aircraft that is controlled remotely, typically with a hand held transmitter and a receiver within the craft. The receiver controls the corresponding servos that move… …
42Engine efficiency — of thermal engines is the relationship between the total energy contained in the fuel, and the amount of energy used to perform useful work. There are two classifications of thermal engines (1) Internal combustion (gasoline, diesel and gas… …
43Three-phase electric power — This article deals with where, how and why three phase is used. For information on the basic mathematics and principles of three phase, see three phase. Three phase electric power is a common method of alternating current electric power… …
44Mazda RX-8 — Manufacturer Mazda Production 2003–2011[1] Assembly …
45Rotary engine — The rotary engine was an early type of internal combustion aircraft engine in which the crankshaft remains stationary and the entire cylinder block revolves around it. The design was used mostly in the years shortly before and during World War I… …
46History of electromagnetism — The history of electromagnetism, that is the human understanding and recorded use of electromagnetic forces, dates back over two thousand years ago, see Timeline of electromagnetism. The ancients must have been acquainted with the effects of… …
47BMW — Infobox Company company name = Bayerische Motoren Werke AG company company type = Aktiengesellschaft (FWB|BMW) foundation = 1913 location city = flagicon|Germany Munich location country = Germany key people = Norbert Reithofer (CEO and Chairman… …
48Tractive force — As used in mechanical engineering, the term tractive force is the pulling or pushing force exerted by a vehicle on another vehicle or object. The term tractive effort is synonymous with tractive force, and is often used in railway engineering to… …
49PID controller — A block diagram of a PID controller A proportional–integral–derivative controller (PID controller) is a generic control loop feedback mechanism (controller) widely used in industrial control systems – a PID is the most commonly used feedback… …
50Richard Trevithick — Infobox Scientist name = Richard Trevithick box width = image width = 150px caption = Richard Trevithick, by John Linnell (1792 1882) birth date = April 13, 1771 birth place = Cornwall death date = April 22, 1833 (aged 62) death place = Dartford …
