direct current brake
51OS MX3000 — MX3000 An MX3000 at Bergkrystallen In service 2007–present Manufacturer Siemens …
52Indian Railways — Infobox Company name = भारतीय रेल, Indian Railways company type = Departmental Undertaking of The Ministry of Railways, Government of India foundation = April 16, 1853, nationalized in 1951 location city = New Delhi location country = India… …
53British Rail Class 307 — Infobox EMU name = British Rail Class 307 imagesize = 300px caption = British Railways Class 307 train in plain blue livery and a BRUTE at London Liverpool Street station. background = #012545 Manufacturer = BR Eastleigh Works Formation = 4 cars… …
54Crystal Mover — SBS Transit Crystal Mover car on the Sengkang and Punggol LRT …
55Powered hang glider — A foot launched powered hang glider (FLPHG), also called powered harness, nanolight or hangmotor, is a powered hang glider harness with a motor and propeller in pusher configuration. An ordinary hang glider is used for its wing and control frame …
56ZSU-57-2 — Infobox Weapon name=ZSU 57 2 (Ob yekt 500) caption=ZSU 57 2 in Lubuskie Military Museum in Drzonów, Poland, 1 July 2007. origin=flagcountry|Soviet Union type=Self propelled anti aircraft gun is vehicle=yes designer=Design Bureaus of Omsk Works No …
57Automobile accessory power — can be produced by several different means. However, it is always ultimately derived from the automobile s internal combustion engine. An engine has one or more devices for converting energy it produces into a usable form, electricity connection… …
58Electrodynamic tether — Electrodynamic tethers are long conducting wires, such as the one deployed from the tether satellite, which can operate on electromagnetic principles as generators, by converting their kinetic energy to electrical energy, or as motors, converting …
59Clutch — For other uses, see Clutch (disambiguation). Rear side of a Ford V6 engine, looking at the clutch housing on the flywheel …
60Multiple-unit train control — Multiple unit train control, sometimes abbreviated to multiple unit or MU, is a method of simultaneously controlling all the traction equipment in a train from a single location, whether it is a Multiple unit comprising a number of self powered… …
