I'd say it's more to do with the high acceleration and braking force needed to maintain the timetable. Two N's would get away a lot quicker than 1 N. Just a thoughI suggest that the difference would be measured in seconds.
Are you seriously telling me that a 2500 HP locomotive can't maintain the timetable with more than 5 cars along a track that's as flat as a nightman's hat? If so, either the timetable is wrongly worked out, or the N class is a dud.
Hate to break it to you, but its two Ns to maintain the timetable with the larger load
Added the drain of 8 cars on the HEP.....Why is the HEP so small?
Why is the HEP so small?If I recall right the HEP on it only supply so many carriages. I'm pretty sure 8 couldn't be done with one N.
If the two statements above are correct, God preserve us if we ever get people who can plan and design efficient trains and timetables; the shock will kill us all.
But; someone has to be kidding. In the latter days of the broad gauge Overland, I have seen a single N on a 10 vehicle load, and that up Ingliston to boot.
Acceleration may well be better but how is the braking better with two engines. One would think that it would be worse even if immeasurably so given that locos traditionally brake worse than vehicles?
A question for the brake engineers.
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