3 ms·

I think parent comment's point is that they already have a dangerous spinning object. Not that I think this is a good counter argument...

• mrguyorama 4y ago
  It's not accurate. Turbo impellers should not be heavy enough to store significant energy, except maybe in large diesel engines, and are also naturally housed in a large, often cast iron, housing that will easily contain any shrapnel.
  • dredmorbius 4y ago
    Turbos also run periodically and reasonably infrequently, at least for street vehicles. They're invoked generally under high-acceleration or load, not when cruising at constant speed. A flywheel would typically be spinning not only far more often but at great speed and load.
  • winrid 4y ago
    That's why I said it wasn't a good counter argument. I agree they don't have enough mass to be a safety issue in most cases.