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oztrainz
Super Moderator
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Hi all,
I saw this thread bob back up and I thought I chip in with my operating scheme.
It's a little bit different - just like the rest of the layout.
As pinched from elsewhere:
I model a whole transportation system that is operated probably as prototypically as possible,
based on extensive research and given the technical impossibility of operating this transport system exactly prototyplcally.
But for my transportation system there was no TT/TO, track warrant systems,
no fixed signals or complicated train management system.
Why? Because the line was operated as "one locomotive in steam" -
this meant that there was "nothing to hit" while the only operating locomotive was out there doing its stuff.
Trains ran as often as the locomotive and its train could get from one end of the line to the other,
and its train was swapped for another train going the other way.
The cargo was coal, the gauge was 2', the distance of the run was 1 mile,
and the location was about 400asl above Corrimal, on the side of the Illawarra escarpment in NSW Australia.
The technical "impossibles" were covered in my Corrimal Colliery Incline thread
It's not your usual colliery railway.
____________________
Regards,
John Garaty
Unanderra in oz
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oztrainz
Super Moderator
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Hi Michael, all,
That's the definition of gravity shunting.
It's actually a fly-shunt (uncoupled move)
gravity powered run-around move (very nicely done).
The driver has obviously done it a few times before,
given the way he minimises the amount of walking to be done.
Unfortunately most of our members won't be able to see the video using the direct link,
as the link is to the NGRM (Narrow Gauge Railway Modelling) forum,
which is a closed forum. (no peeking over the fence)
Here's the direct link to the YouTube video:
https://www.youtube.com/watch?v=BFFB8ct6AEM
Also of interest is winch haulage of the locomotive and the empty wagons.
At about 5:40 you see the driver dismount,
shortly after that you can see the locomotive dragging the cable,
as it spots the cars under the bin.
If you look look closely at 6:00,
you can see that the pantograph goes very close to hitting the bin structure,
and that there is no overhead touching the pantograph.
At 7:50, the haulage cable is unhooked and the locomotive is "back on juice".
This 2km-long narrow-gauge industrial outfit was still running in 2018.
The Youtube description gives the output as 430,000 tons/year.
If each of the wagons holds 10 tons of soda ash,
that's still an awful lot of wagon loads that have have to be moved each year
____________________
Regards,
John Garaty
Unanderra in oz
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