4 ms·

Bored people don't shoot guns at trains today. Why would they start?

• kingkawn 13y ago
  Because there's no possibility that shooting at a train would result in a fireball a thousand yards high, whereas...
  • count 13y ago
    How thick are propane tanker cars?
    • jlgreco 13y ago
      Back of the bar napkin calculation with Barlow's formula, assuming 200psi (about what bbq tanks are at iirc?), somewhere around half an inch.
• louthy 13y ago
  Because the tube isn't a train?
• jlgreco 13y ago
  Are you sure? I imagine most trains these days are pretty tolerant of that, it could easily go unnoticed.
• JoeAltmaier 13y ago
  Bored people shoot track, put pennies on tracks, drop water balloons from freeway overpasses, put potatoes in car exhaust pipes, and on and on. Its important to consider the most random variable in the safety equation - bored people. I'd say all these concerns warrant putting the damn thing underground.