These Apps system is not so reliable piece of source, where some rail fans "blindly or partially" believe it.
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ICF SL/GS Coach is designed for a certain speed, which is obviously above 110 km/h, approx around 125-130 km/h, depending on their tolerance levels during test levels.
When a 110 stamp is given, the crew handling the train, let it b EMD, Diesel...
more... or Electric, has strictly follow the order of 110 both in odometer and as per caution order sheet.
During a run, if there is a gradient, the notches are handled well (If its a WAP-4 or any ALCO loco), to control the speed n bring it down below the restricted speed. If its an EMD/3-phase locos, the processor does the work, which controls the system inside n the speed doesn't shoot up.
But if the speed does shoot up, the buzzer system gets activated and if not acknowledged in specific time, the brakes are applied and this data gets recorded in a DATA LOGGER.
DATA LOGGER, its a log unit, which records every data, from locos' fault, speed, units, and this logger is audited at ELS/DLS after a run by the senior engineer.
If the Engineer finds any fault, and specially in over speed case, if its +1 to +3, for shorter duration, the crew won't b alerted, but if the duration is longer and the crew hasn't responded to the buzzer or if the processor has applied emergency brake, the crew will b either
1:- demoted 2:- suspended 3:- filed a charge-sheet. Either of the 3 cases are possible.
No crew will accelerate that notch or lever just to entertain themselves or for any rail fan out there.
The crew has to stick to its rules. A slight marginal is acceptable by the engineers, but for longer duration, face the muse later.
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So, these Apps are worthless to crew n engineer n most of the crew laughed themselves at these dumb apps.
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To get a proper view on a speed run, the best suggestion, take up an Foot Plate with the crew n experience it, rather than trusting these apps.
Rest is up to the others to understand or not.