There are a lot of people that haven't heard of teething problems when it comes to things like thisI hope that's not the case, because it would indicate that the testing done all last week wasn't done thoroughly, AND that the Rail Commissioner told a blatant lie to the public when she said they were two "separate mechanical problems" that "had nothing to do with the signalling problems."
7 News report delays due to 2 separate mechanical problems, the first was a pump that failed in the switching system, the second was a mechanical problem with a train. Given that information was directly from a Transport Dept spokesperson, we can be sure it is accurate for once.
You are being a more than a little cynical
The point blades are operated by a hydraulic pump and if the pump fails the switches can't change or can't travel though to lock fowling up the interlocking.
If you have studied equipment reliability you would know that equipment often fails early in its life then settles down to a relatively long period of satisfactory operation before finally wearing out and becoming unreliable. It is called a "bath tub curve" and we experience all the time with a range of goods, hence warranty periods.
A mechanism failed early, that's it. A warranty claim will be made no doubt.
Trains do fail.
Two coincident but unrelated failures likely but unfortunate.
If the present circumstances are causing so much delay running the frequency that they are, wouldn't the overall service be quicker if the timetable were revised with a reduced frequency?That would require the department admitting they got something wrong! I don't think they have many staff who have that kind of expertise, some consultants may need to be hired from overseas to teach them.
The new points at Millswood Loop that have been installed appear to be magnetic, rather than motorized, as well as the other sets that have been installed during the upgrade.The new points are hydraulic. They can be operated manually by inserting a lever into the trackside pump unit.
The mechanical fault with the railcar Monday was believed to be a thermostat. This is what Emma from the Rail Commissioner said on Ten News last night.
One has to expect some teething problems though only a fool would assume everything will work as designed with out failure after a long lay off. After being out of action for a while the points and even the signalling are not really doing a bad job considering only one point failure in the whole line this would simply be a little speck on the overall graph of the track. The media making mountains out of molehills here as usual.
The Millswood loop is operational. During today's evening peak trains were regularly crossing at Millswood rather than north of Keswick as timetabled. I also saw a couple of trains that weren't crossing routed through the loop rather the the main line.
I went into town around 10:30 and it took forever. Crosses at Sleeps Hill, Mitcham and at the beginning (or is the end) of the double track. Lots of slow running and sitting doing nothing.
Coming back at around 4:00pm it was a different story - a nice fast run with just 2 crosses at the right places - Sleeps Hill and at Blackwood. Hopefully this signals things are back to normal.
The eastern car park at Blackwood was distinctly empty, the much smaller western car-park was full. It could be that the new footbridge is a disincentive to use the main car-park, but I fancy traffic lost to driving.
Coromandel carpark looked full.
A question for you electrical engineering types: there are a couple of large square concrete bases with bolts in them, obviously mounts, at the Millswood loop. Any idea what they are for? Signal gantry bases comes to mind - there was a similar one holding up a signal gantry elsewhere on the line.
The eastern car park at Blackwood was distinctly empty, the much smaller western car-park was full. It could be that the new footbridge is a disincentive to use the main car-park, but I fancy traffic lost to driving.I expect that it's just traffic being slow to return, but not necessarily just to driving*. It certainly takes the complaints aired in the Messenger about street congestion in that area and hits them for six. The test with Coromandel is not so much whether the two small car parks are full, but how many cars are parked along the surrounding streets.