braking frequency
11Diesel locomotive — Three styles of diesel locomotive body: cab unit, hood unit and box cab. These locomotives are operated by Pacific National in Australia …
12Cab signalling — is a railroad safety system that communicates track status information to the train cab (driving position), where the engineer or driver can see the information. The simplest systems display the trackside signal aspect (typically, green, yellow… …
13Inverter (electrical) — An inverter is an electrical device that converts direct current (DC) to alternating current (AC)[1]; the converted AC can be at any required voltage and frequency with the use of appropriate transformers, switching, and control circuits. Solid… …
14Bicycle brake — Animation of a single pivot side pull calliper brake for the rear wheel of a steel framed road bike. A bicycle brake is used to slow down or stop a bicycle. There have been various types of brake used throughout history, and several are still in… …
15Disc brake — Close up of a disc brake on a car On automobiles, disc brakes are often located with …
16Chairlift — For the musical group, see Chairlift (band). A stairlift is sometimes called a chairlift . Hunter Mountain chairlift …
17electric motor — motor (def. 4). [1885 90] * * * Introduction any of a class of devices that convert electrical energy to mechanical energy, usually by employing electromagnetic phenomena. Most electric motors develop their mechanical torque by the… …
18Abkürzungen/Luftfahrt/B–D — Dies ist der zweite Teil der Liste Abkürzungen/Luftfahrt. Liste der Abkürzungen Teil 1 A A Teil 2 B–D B (BA, BB, BC, BD, BE, BF, BG, BH, BI, BJ, BK, BL …
19Radio-controlled car — HPI E Savage, Tamiya Wild Willy 2, Kyosho Mini Z Monster, and Team Losi Micro T Radio controlled (or R/C) cars are self powered model cars or trucks that can be controlled from a distance using a specialized transmitter. The term R/C has been… …
20ER9 electric trainset — For servicing suburban commuter lines, electrified on 25 kV, AC, the Railcar Manufacturing Plant of Riga produced ER9, then ER9p electric trainsets in the 1966 1975 period. The mass production of these trains had began in 1964. Railcar typesThree …
