I have limited knowledge of the exact physics of train derailment but extensive experience of working on the rail lines in the aftermaths of things like cars, trucks and people hitting them. Not many have derailed. Lots of stuff has forced trains off the tracks but we are talking…lorries, other trains…massive things at the wrong speed. Teeny weeny FPV racing drone built light and tiny…squish. Not even bits left big enough to be recognised afterwards. I was holding my breath watching the video though. I’m still nervy getting near trees on a still day. With a spotter. And no wind.
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