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Thread: Railroad safety and broken wheel
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2nd February 2010, 11:24 AM #1
Railroad safety and broken wheel
For those of you who live near or have to cross railroad tracks on your way to and from work…
This is why you should never pull right up to the gates…the scary part is this, what happened to the other half of the wheel?
Since no one reported having their car sliced in half or finding a rail car wheel stuck in the side of their van, our guess is it broke somewhere out in an un populated area and did no damage.
But, had this happened at a crossing, and the track speed is 50 mph through here, can you imagine the damage that would do to you and or your automobile?
Never get any closer than 50 feet to the tracks, even if the white line at the crossing is closer than that."That's why I love my computer,,,,,,,, my friends live in it."
- Colin Greg, Barnsley, South Yorkshire, England
Pen Turner Extraordinary and Accidental Philosopher.
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2nd February 2010, 09:45 PM #2
Apparently (according to Google), this happens often enough to create a "Broken Wheel Club" among railroad inspectors and mechanics.
Thanks for posting.
It looks like the bearing didn't have a joyful experience either.
Cheers,
JoeOf course truth is stranger than fiction.
Fiction has to make sense. - Mark Twain
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3rd February 2010, 07:14 AM #3
Skwair2rownd
- Join Date
- Nov 2007
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I know that aeroplane parts are subjected to very rigorous and stringent testing, including x-raying for minute flaws.
One would think that the same might apply to train wheels.
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3rd February 2010, 08:55 AM #4
Senior Member
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- Dec 2008
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- Brisbane
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Do they still have those blokes that go around tapping wheels for faults?
"The training of the eyes to know when an edge is perfectly straight or a surface is flat, free from winding, and straight, is a very important part of a lad's training."
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5th February 2010, 03:43 PM #5
Yes, they are called Carmen, part of the railroads car repair department.
A good wheel will ring with a bell like tone, a cracked wheel will not ring.
You can hear bad wheels for the same reason, they dont ring or squeal when going over track joints, they make a "dead" clunk sound instead.
When one considers the million of miles rail cars travel, and the thousands upon thousands of wheels there are, defects like this would seem to be more common, but they are not.
Any trainman can bad order any car they think has a bad wheel set.
Railcar wheels have a standard enforced by the FRA, and are made by only a few companies, American car and Foundry being one, under strict quality control.
If any wheel is found on the road to have a defect, all wheels in that batch are inspected, a federal law enforces this.
Even though we know what caused this one, all the wheels in this ones batch are going to be inspected.
Every wheel is inspected on every train every time it enters a terminal, before any one can move the train.
All railroad car departments will be issued a bulletin to watch for this wheel set by makers mark and pay extra close attention looking for any cracks.
We found the reason for this, though.
It is a loaded coal car, several thousand tons.
The train it was part of had stopped for a red signal, waiting for a train ahead to clear the signal block...someone placed an old steel rail spike under this wheel, I suppose trying to see if they could derail the car.
Instead, it rode up and over the spike, and cracked on impact when it fell back onto the rail.
The next time the engineer applied the brakes, the wheel heated, then broke.
They drug this car ten miles, thorugh crossovers, switches and public crossings and it stayed the track, very lucky crew in many respects.
In my entire time on the railroad, I have seen two, this being one of them."That's why I love my computer,,,,,,,, my friends live in it."
- Colin Greg, Barnsley, South Yorkshire, England
Pen Turner Extraordinary and Accidental Philosopher.
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5th February 2010, 03:54 PM #6
I have a mate whom drives Suburban services on the City rail network NSW, before he takes a train out he has to inspect it including the wheels for obvious reason.
Pat
Work is a necessary evil to be avoided. Mark Twain
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