Day and date : Sunday, September 25, 2011
Train type : Superfast
Locomotive(s) : Ajni/AJNI WAP7 30266
Location : Devlali outer
Camera : Sony Cyber-shot DSC-W530
ABOUT THE TRAIN :-
12140 is a daily train. 12140 covers NGP-CSTM distance (838 km) in 15 hours with an average speed of 63 kph and 31 halts. 12140 leaves NGP at 21:00 and reaches CSTM second day, at 12:00. 12140 usually gets a WAP7 from Nagpur to Igatpuri and WCAM3 from Igatpuri to CSTM.
ABOUT WAP7 :-
Power type: Electric
Builder: Chittaranjan Locomotive Works, India
Gauge: 5 ft 6 in (1,676 mm)
Current collection method: 50 kV, 50 Hz overhead AC with pantograph
Top speed: Test Run:177 km/h (110 mph), Operational: 140 km/h (87 mph)
Power output: 6,350 hp (4,735 kW)
Career: Indian Railways
Manufacturers: CLW
Traction Motors: 6FRA 6068 3-phase squirrel-cage induction motors (850kW, 2180V, 1283/2484 rpm, 270/310A. Weight 2100kg, forced-air ventilation, axle-hung, nose-suspended. Torque 6330/7140Nm. 95% efficiency.)
Gear Ratio: 72:20
Axle load: 20.5t
Wheel diameter: 1092mm new, 1016mm worn
Wheel base: 15700mm
Bogies: Co-Co, ABB bogies; bogie wheel base 1850mm + 1850mm
Unsprung mass per axle: 3.984t
Length over buffers: 20562mm
Length over headstocks: 19280mm
Body width: 3152mmn
Cab length: 2434mm
Pantograph locked down height: 4525mm
Tractive Effort: 36.0t
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