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Something that causes the vehicles engine to stop... a shock? It wouldn't stop the vehicle but it will decrease destructive force. Or a trapdoor (warning this
by Freestyler_3 13y ago
Something that causes the vehicles engine to stop... a shock?
It wouldn't stop the vehicle but it will decrease destructive force.
Or a trapdoor (warning this is a joke disregard it if you know you don't like jokes)
- bigiain 13y ago(intentionally ignoring joke warning…) Excellent plan! A trapdoor! In the harbour tunnel! Relevant anecdote: My Dad worked for the company who built the fire control system in the Sydney Harbour Tunnel. It's got (from fuzzy memory - numbers not guaranteed accurate) 128 sectors of "deluge valves". It's got pumps capable of keeping up with only 10 of those sectors of deluge valves - more than 10 sectors of valves open means even with all pumps running at maximum capacity the tunnel will fill up with water. There's some software controlling it all which is intended to ensure the operators don't accidentally flood the tunnel. Dad knows who wrote that software - he won't drive through the tunnel.
- Freestyler_3 13y agoYes, I hope though that the pressure on the writer of that software was enough to make him check thoroughly for errors.