4 ms·
Different soil? Different climate/weather patterns. Japan having to build to earthquake standards, so being more robust overall? Or to specific failure modes,
by NewJazz 9mo ago
Different soil? Different climate/weather patterns.
Japan having to build to earthquake standards, so being more robust overall? Or to specific failure modes, at least.
- Animats 9mo agoDoctor Yellow.[1] Full rail inspection every ten days. [1] https://en.wikipedia.org/wiki/Doctor_Yellow https://en.wikipedia.org/wiki/Doctor_Yellow
- wvbdmp 9mo agoAt full speed!
- Animats 9mo agoWhich matters, because Doctor Yellow inspection trains can be put into the schedule with the regular trains. There's no need to shut down traffic while a slow inspection car chugs along. BART recently got a full-speed inspection car.[1] They needed a specially built one because BART has a non-standard track gauge. The Federal Railroad Administration has track inspection cars, but only six of them for the whole country. One was seen on CALTRAIN track.[2] [1] https://www.youtube.com/watch?v=GHa1Si7CW8Q https://www.youtube.com/watch?v=GHa1Si7CW8Q [2] https://www.youtube.com/watch?v=RQcRHn9YiPg https://www.youtube.com/watch?v=RQcRHn9YiPg