rotor-resistance start
31Adjustable-speed drive — (ASD) or variable speed drive (VSD) describes equipment used to control the speed of machinery. Many industrial processes such as assembly lines must operate at different speeds for different products. Where process conditions demand adjustment… …
32Ground effect in aircraft — Aircraft may be affected by a number of ground effects, aerodynamic effects due to a flying body s proximity to the ground.One of the most important of these effects is the Wing In Ground effect, which refers to the reduction in drag experienced… …
33London Underground 1996 Stock — Infobox Underground stock name=1996 Stock InService=1997 present Manufacturer=GEC Alstom LinesServed=Jubilee CarLength=17.77m CarWidth=2.629m CarHeight=2.875m MaxSpeed=100 km/h (62 mph) Weight=DM 30.0 tonnes UNDM 27.1 tonnes T 20.9 tonnes… …
34London Underground 1995 Stock — Infobox Underground stock name=1995 Stock InService=1998 present Manufacturer=Alstom LinesServed=Northern CarLength=17.77 m CarWidth=2.63 m CarHeight=2.875 m MaxSpeed=100 km/h (62mph) Weight=DM 29.4 tonnes UNDM 27.9 tonnes T 21.5 tonnes TubeStock …
35flight, history of — ▪ aviation Introduction development of heavier than air flying machines. Important landmarks and events along the way to the invention of the airplane include an understanding of the dynamic reaction of lifting surfaces (or wings), building… …
36Clutch — For other uses, see Clutch (disambiguation). Rear side of a Ford V6 engine, looking at the clutch housing on the flywheel …
37Hard disk drive — Hard drive redirects here. For other uses, see Hard drive (disambiguation). Hard disk drive Mechanical interior of a modern hard disk drive Date invented 24 December 1954 [1] …
38Thermal power station — Republika Power Plant, a thermal power station in Pernik, Bulgaria …
39List of Tesla patents — Below is a list of Tesla patents. Dr. Nikola Tesla was an inventor who obtained around 300 patents [Snezana Sarbo, [http://www.tesla symp06.org/papers/Tesla Symp06 Sarboh.pdfNikola Tesla s Patents] , Sixth International Symposium Nikola Tesla,… …
40Oil burner — This article is about the heating device. For a meaning related to engines, see Oil burner (engine). An oil burner for domestic central heating An oil burner is a heating device which burns fuel oil. The oil is atomized in to a fine spray usually …
