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Wulkuraka Maintenance Centre

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Wulkuraka Maintenance Centre

Postby 1of55 » Mon Feb 15, 2016 8:41 pm

Community open day at the Wulkuraka Maintenance Centre.
Attachments
Wulkuraka Maintenance Centre main shed.JPG
Exterior of the maintenance shed from the Karrabin end. There are five tracks through the shed. Road 1 is the lifting track, with under floor mounted jacks which can lift a six car train and then lower the centre of the jack to disengage the bogies for service. Roads 2-5 with raised tracks for under train inspection and elevated working platforms for roof working. The overhead solid conductor (25kv) has isolating sections at each end of the shed for safe working. To the left of the main building is the Wheel Lathe building on road 8, which can reshape wheels without the need to remove the wheels from the train.
Turntable to the bogie shop.JPG
The turn table in road 1 to enable bogies to enter the Bogie Shop
Turntable to the bogie shop.JPG (242.88 KiB) Viewed 13302 times
roads 2,3,4,5 elevated tracks and high level working platforms.JPG
Inside the main Maintenance Building. Roads 2-5. The rails are on piers to enable access to under train floor equipment with inspection pits access stairs at intervals. Also seen are the solid overhead conductors and elevated inspection and working platforms. Roads 4 and 5 also have overhead cranes.
roads 2,3,4,5 elevated tracks and high level working platforms.JPG (280.54 KiB) Viewed 13302 times
No 1 road lifting jacks.JPG
Under floor jacks in the lifting road
No 1 road lifting jacks.JPG (177.72 KiB) Viewed 13302 times
jack road 1.JPG
Under floor jack cover
jack road 1.JPG (141.39 KiB) Viewed 13302 times
Train Inspection Building.JPG
The Train Inspection Building at the Wulkuraka entrance to the Maintenance Centre. The trains drive through and are scanned automatically to provide vehicle condition data on wheels, brakes, pantograph and exterior of the cars.
Train Inspection Building.JPG (192.68 KiB) Viewed 13302 times
Drivers console.JPG
There is a full sized replica of the NGR carriages at the centre.
Drivers console in the NGR replica train
Drivers console.JPG (239.34 KiB) Viewed 13302 times
interior photo.JPG
Interior of the replica NGR carriage. The trains will consist of six permanently coupled cars with passenger access between each car and accessible toilet in third or forth car. LCD passenger information displays inside the carriages and on the sides outside.
Doors.JPG
Interior of the replica NGR train showing the carriage doors of the NGR rolling stock
Doors.JPG (219.06 KiB) Viewed 13302 times
seats with more leg room.JPG
Interior of the replica, seating with more leg room and space underneath for storage of bags.
seats with more leg room.JPG (260.52 KiB) Viewed 13302 times
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Re: Wulkuraka Maintenance Centre

Postby 1of55 » Fri Feb 19, 2016 3:28 pm

The first new train has arrived at the Wulkuraka Maintenance Centre 3.25pm Friday 19 Febuary 2016, pulled by 2 diesel locos.
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Re: Wulkuraka Maintenance Centre

Postby 1of55 » Fri Apr 01, 2016 5:01 pm

Testing the first NGR train at the Wulkuraka Maintenance Centre.
Attachments
NGR1.JPG
The six car train being pulled along the siding past Wulkuraka station by diesel loco 2331.
NGR1.JPG (238.28 KiB) Viewed 12597 times
NGR10.JPG
Closer shot of the driver’s compartment
NGR10.JPG (231.01 KiB) Viewed 12597 times
NGR9.JPG
The loco used for the test today
NGR9.JPG (255.71 KiB) Viewed 12597 times
NGR8.JPG
Part of the front of the train is removed to attach the diesel loco.
NGR8.JPG (260.65 KiB) Viewed 12597 times
NGR7-crop.JPG
Cars5 and 6. Showing the external disk brakes on car 6. The brakes on car 5 cannot be seen as they are behind the wheels.
NGR7-crop.JPG (172.63 KiB) Viewed 12597 times
NGR6-crop.JPG
Train being reversed back towards the Automatic Train Inspection shed
NGR6-crop.JPG (165.25 KiB) Viewed 12597 times
NGR5.JPG
Roof view.
NGR5.JPG (233.41 KiB) Viewed 12597 times
NGR4.JPG
Cars 1,3,4,6 have external disk brakes. Cars 2 and 5 have the brakes internally of the wheels..
NGR4.JPG (235.13 KiB) Viewed 12597 times
NGR3.JPG
Side view of car 1.
NGR3.JPG (298.76 KiB) Viewed 12597 times
NGR2-crop.JPG
Carriage coupling, aircon and disk brakes.

Carriage coupling, aircon and disk brakes.
NGR2-crop.JPG (218.46 KiB) Viewed 12597 times
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Re: Wulkuraka Maintenance Centre

Postby Bjwh86 » Fri Apr 08, 2016 11:53 am

Are they side destination boards near the doors?


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Re: Wulkuraka Maintenance Centre

Postby baby38 » Fri Apr 08, 2016 6:49 pm

Where is exactly is Wulkuraka Maintenance Centre, sorry i am from Brisbane never heard of it.
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Re: Wulkuraka Maintenance Centre

Postby Bjwh86 » Fri Apr 08, 2016 8:10 pm

baby38 wrote:Where is exactly is Wulkuraka Maintenance Centre, sorry i am from Brisbane never heard of it.


West of ipswich on the Rosewood line
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Re: Wulkuraka Maintenance Centre

Postby 1of55 » Fri Apr 08, 2016 9:03 pm

Yes the trains are to have side destination displays. The Wulkuraka Maintenance Centre is next to the much upgraded Wulkuraka station, second station from Ipswich and runs almost to Karrabin station There is no public access to the Maintenance Centre.( there was only access on the public open day before the NGR train arrived)
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Re: Wulkuraka Maintenance Centre

Postby 1of55 » Mon Apr 18, 2016 10:27 am

Testing of the first NGR train continues.
Attachments
501Bendwul1832016.JPG
B end drivers cab attached to diesel loco.
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Re: Wulkuraka Maintenance Centre

Postby dude » Sun Apr 24, 2016 4:10 am

Wulkuraka Maintenance Centre

I found information on it through a simple google search, despite also having spent some 22 years living there. I guess Google must be new to a few people here.
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Re: Wulkuraka Maintenance Centre

Postby Swift » Mon May 16, 2016 8:22 pm

Why do they need such aerodynamic noses on suburban trains? And why are the brakes so radically different to trains before it? They seem a bit exposed. Interior looks nice.
A pity Sydney doesn't have trains like this .Queensland are lucky they aren't tied down to a 1960s double decker concept and are free to obtain normal trains according to world best practise.
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Re: Wulkuraka Maintenance Centre

Postby James00 » Tue May 17, 2016 8:19 am

Swift wrote:And why are the brakes so radically different to trains before it? They seem a bit exposed
The existing SMU260's and IMU160's have a similar setup.
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Re: Wulkuraka Maintenance Centre

Postby ajw373 » Wed May 18, 2016 10:01 am

Swift wrote:And why are the brakes so radically different to trains before it?


Disc brakes, narrow guage=less room between the wheels=put them on the outside.

Not uncommon on standard gauge trains either.
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Re: Wulkuraka Maintenance Centre

Postby Swift » Wed May 18, 2016 5:26 pm

Why don't they employ conventional shoes pushing against the wheels ?
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Re: Wulkuraka Maintenance Centre

Postby ajw373 » Wed May 18, 2016 6:44 pm

Because this is 2016, not 1956!
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Re: Wulkuraka Maintenance Centre

Postby Swift » Wed May 18, 2016 6:56 pm

ajw373 wrote:Because this is 2016, not 1956!

What's the advantage of having those things added on when trains have slowed down fine without them before!
Even buses are overkill with disc brakes!
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Re: Wulkuraka Maintenance Centre

Postby ajw373 » Wed May 18, 2016 7:30 pm

Swift wrote:
ajw373 wrote:Because this is 2016, not 1956!

What's the advantage of having those things added on when trains have slowed down fine without them before!
Even buses are overkill with disc brakes!


Cars stopped ok with drum brakes before too and I am sure you will agree that these days having a drum brake fitted car is a little bit daft.

The biggest advantage of discs on a train is a greater surface area, meaning you need less brakes per train and they are more efficent. They also help to reduce the unsprung weight.
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Re: Wulkuraka Maintenance Centre

Postby 1of55 » Wed May 18, 2016 9:26 pm

QR have had problems with wheel slide when braking in wet conditions with the IMU/SMU units causing station over runs and the accident at Cleveland in January 2013( The full ATSB report can be read at https://www.atsb.gov.au/media/4354235/r ... _final.pdf ) and the trains are being/have been retrofitted with sanding gear. No doubt the NGR trains braking performance in being extensively tested.

The NGR units will be the first suburban units to have the coupling device on the ends of the train covered by a cowling, like the tilt train and the Spirit of Queensland. Sometimes the EMU units are coupled two trains together (12 cars) and go though Roma St (to the washing shed?) If this is done with the NGR trains it would be more difficult, needing to remove the cover.
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Re: Wulkuraka Maintenance Centre

Postby Swift » Wed May 18, 2016 11:10 pm

1of55 wrote:QR have had problems with wheel slide when braking in wet conditions with the IMU/SMU units causing station over runs and the accident at Cleveland in Jacan't see whynuary 2013( The full ATSB report can be read at https://www.atsb.gov.au/media/4354235/r ... _final.pdf ) and the trains are being/have been retrofitted with sanding gear. No doubt the NGR trains braking performance in being extensively tested.

Mercedes Benz introduced ABS in 1981 on their flagship S class saloons and tbe technology has been standard fare on all cars and many buses and trucks for decades now. I can't see why it can't work to stop the wheels on a train locking up.
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Re: Wulkuraka Maintenance Centre

Postby ajw373 » Wed May 18, 2016 11:25 pm

Swift wrote:
1of55 wrote:QR have had problems with wheel slide when braking in wet conditions with the IMU/SMU units causing station over runs and the accident at Cleveland in Jacan't see whynuary 2013( The full ATSB report can be read at https://www.atsb.gov.au/media/4354235/r ... _final.pdf ) and the trains are being/have been retrofitted with sanding gear. No doubt the NGR trains braking performance in being extensively tested.

Mercedes Benz introduced ABS in 1981 on their flagship S class saloons and tbe technology has been standard fare on all cars and many buses and trucks for decades now. I can't see why it can't work to stop the wheels on a train locking up.


There are systems that do exactly that. But that doesn't help them stop overruns. It would just prevent the wheels locking up.
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Re: Wulkuraka Maintenance Centre

Postby Swift » Thu May 19, 2016 12:07 am

ABS is supposed to help the vehicle stop effectively in the wet. Why don't I hear of this problem in Sydney's system?
Does this not show that these brakes ate too grabby for train use?
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Re: Wulkuraka Maintenance Centre

Postby 1of55 » Thu May 19, 2016 5:18 pm

Disk brakes have been used on trains since the 1980s. They are fitted to NSW trains. See http://www.otsi.nsw.gov.au/rail/Investi ... -final.pdf Rail Safety Investigation Report Derailment of CityRail Service 312A. The braking systems have built in devices to counter wheel slide but the fall back position would seem to be slower speeds and sanding.
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Re: Wulkuraka Maintenance Centre

Postby 1of55 » Sat Jun 04, 2016 10:20 am

The second ngr train arrived at the maintenance centre at wulkuraka at 10 am sat.
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Re: Wulkuraka Maintenance Centre

Postby VH-NJF » Sat Jul 23, 2016 4:02 pm

Do we all not reailse that the IMU100/120 series have been using rotor/disc brakes since 1996/1999???

ajw373 wrote:But that doesn't help them stop overruns. It would just prevent the wheels locking up


Incorrect. Physics my friend....

ABS helps prevent overrun by not locking the wheels. Once the wheels are locked, they slide further uncontrollably and more freely aiding in an overrun. ABS limits the amount of brake pressure applied in order to give maximum braking effectivness on the edge of adhesion of wheel to rail.
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Re: Wulkuraka Maintenance Centre

Postby boronia » Sat Jul 23, 2016 4:50 pm

ABS works by comparing the rotational speeds of all wheels on the vehicle, and activates if it detects partial lockup of the wheelset. In a car, say, the front wheels lock but the rears don't.

It can have a problem if ALL the wheels lock simultaneously, because it can't tell if the vehicle is stationery or not.
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Re: Wulkuraka Maintenance Centre

Postby 1of55 » Fri Dec 09, 2016 11:42 am

706 & 707 arriving at maintenance centre coupled together behind diesel.
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