Drop in freight noise? Any ideas why?

 
  bob.mills Beginner


Hi all,

Does anyone know if freight trains on the Adelaide-Melbourne line are having to slow down more than normal as they pass through the Adelaide Hills due to the works down at Goodwood?

I ask as in the last couple of weeks I've noticed a significant drop in the amount of wheel squeal coming from the freight trains as they pass by.

Any other explanations are welcome too!

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  defman70 Train Controller




Hi all,

Does anyone know if freight trains on the Adelaide-Melbourne line are having to slow down more than normal as they pass through the Adelaide Hills due to the works down at Goodwood?

I ask as in the last couple of weeks I've noticed a significant drop in the amount of wheel squeal coming from the freight trains as they pass by.

Any other explanations are welcome too!

"bob.mills"


I would imagine signalling down at Goodwood wouldn't be the issue, but the last time Belair trains ran through the hills, there were a number of speed restrictions on the ARTC tracks that had been put up. Land slides near Sleeps Hill... Mud pots through Eden Hills and beyond... makes for a slower than normal journey.

  AFULE Chief Train Controller

Location: South Australia



Hi all,

Does anyone know if freight trains on the Adelaide-Melbourne line are having to slow down more than normal as they pass through the Adelaide Hills due to the works down at Goodwood?

I ask as in the last couple of weeks I've noticed a significant drop in the amount of wheel squeal coming from the freight trains as they pass by.

Any other explanations are welcome too!

"bob.mills"


Goodwood work would have no effect on wheel squeal, I noticed the rail grinder parked in the Islington Workshops lately, may be that have given the rail a grind.

  steam4ian Chief Commissioner


Bob, are the trains a bit shorter than usual?

There is no squeal when the do gyrations through the Goodwood works, strange.

Freshly ground rail gives off a particular sound, kind of low "rrrrrrrrrrrrrrrr" If it has been recently ground the better profile would help. Some of the head wear and metal flow at Millswood was alarming.

  BillD Chief Train Controller




There is no squeal when the do gyrations through the Goodwood works, strange.

"steam4ian"


Regarding the lack of squealing through the Goodwood works:
A rail and flange greaser was installed just on the city side of Victoria St about a week after the diversion was installed.
It made a big difference in that vicinity.
I haven't been to the hills end so I don't know whether there is one for trains coming from that direction.

Bill.

  awsgc24 Minister for Railways

Location: Sydney





There is no squeal when the do gyrations through the Goodwood works, strange.

"steam4ian"


Regarding the lack of squealing through the Goodwood works:
A rail and flange greaser was installed just on the city side of Victoria St about a week after the diversion was installed.
It made a big difference in that vicinity.
I haven't been to the hills end so I don't know whether there is one for trains coming from that direction.

"BillD"


ARTC has a tabulation of curves on the Mile End - Wolseley line. The sharpest curves are 200m (10 chain).

See: http://extranet.artc.com.au/docs/eng/network-config/cd/curves/05_curve_details_mile_end_to_wolseley.pdf


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