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#12 |
Stowaway
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First the captain would have to give the order "All reverse full!". Then the lee helmsman (the guy manning the engine telegraph) has to yank the levers all the way forward and back again, which sounds the alarm on the telegraph in the engine room, and set it to all reverse full. Then the chief engineer has to shout the order to the guy manning the throttles. After that the chief does the same with his telegraph to tell the bridge he got the order right. At the same time the engineer on the throttles has to disengage the transmission (old ships with reciprocating engines would have had to bring them to a halt and reverse them, but that's old technology. Steam turbines have to run at high speeds to be efficent, so they have gears for lower speeds and reverse). Once the engines are disengaged they have to wait for the propellors to come to a halt. Then they engage the reverse gears and go for it.
All told if the crew are good enough then a destroyer should come to a compete stop in about two minutes. |
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