What is the meaning of WAP-7?
The Indian locomotive class WAP-7 is a class of 25 kV AC electric locomotives that was developed in 1999 by Chittaranjan Locomotive Works (CLW) for Indian Railways. The model name stands for broad gauge (W), AC Current (A), Passenger traffic (P) engine, 7th generation (7).
What do the numbers on a locomotive mean?
The first 4 is the number of pilot wheels – those behind the front pilot. The second 4 is the number of drive wheels – the large ones that accualy move the engine. And the 2 is for the last set of wheels under the cab. This is the total number of wheels of the engine, and does not include the tender.
What is the full form of WAP 5?
One of the notable features of WAP-5 is regenerative braking….WAP-5.
| hideSpecifications | |
|---|---|
| Electric system/s | 25 kV 50 Hz AC Overhead |
| Current pickup(s) | pantograph |
| Traction motors | 4 ABB Group 6FXA 7059 |
| Gear ratio | 67:35:17 (160 km/h) 59:35:19 (200 km/h) |
Why do people collect train numbers?
So collecting numbers provided instant friendships and created safe social locations such as on platforms or railway viewing vantage points. It is also now acknowledged to have been a source of education as many researched the name of the engine.
What are the wheels on a locomotive called?
The wheel acts as a rolling component, typically pushed onto an axle and mounted directly on a railway carriage or locomotive, or indirectly on a bogie (in the UK), also called a truck (in North America). The powered wheels under the locomotive are called driving wheels.
What does SD stand for in trains?
When EMD introduced its first six-motor locomotive in 1952, it designated it as the SD7; and the “SD” signified “special duty”, which referred primarily to the fact that the six motors made it better suited than four-motor units for low-speed heavy-tonnage assignments.
What’s the difference between a locomotive and a train?
When you see an engine running on a railway track without coaches behind it, that is not a train. That is a locomotive traveling on its own. However, when it used to haul the wagons or coaches, the whole unit can be called a train.