From:
nick.fotis@gmail.com
On 10/03/2015 02:00, conklin wrote:
The article all but says that the "new" standards do not work either. Is there any proven design which might work at reasonable speeds?
I do not think it is practically possible - the kinetic energy involved
in a derailment of a loaded oil train is very high.
Even if you made double-hulled oil cans, like the double-hulled tanker
ships, that wouldn't guarantee you will get no puncture.
Maybe (just maybe) the gasses inside the crude oil tend to pressure the
oil tanks too much, and escape at the slightest opportunity? Maybe the
domes of these cars should be enlarged, offering more room for expansion?
The best idea is to avoid these derailments, in my opinion.
If that means shorter oil trains (= smaller forces) or lower speeds, I
don't know. And track maintenance is important, of course.
N.F.
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