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The engineers hear the bell and move their handle to the same position to signal their acknowledgment of the order, and adjust the engine speed accordingly. Such an order is called a "bell"; for example, the order for a ship's maximum speed, flank speed, is called a "flank bell". [2] For urgent orders requiring rapid acceleration, the handle is ...
An engine order telegraph dial located in the engine compartment of U-505. "MT" is Maschinen Telegraf , (Telegraph Machine), and "Bb", indicating Backbord , (Port). The Type IXC was a further refinement of the class with storage for an additional 43 tonnes of fuel, increasing the boat's range.
Engine commands would be relayed to the engine officer in the engine room by an engine order telegraph that displayed the captain's orders on a dial. The engine officer would ensure that the correct combination of steam pressure and engine revolutions were applied.
The telegraphs connected to Titanic's engine room were used by the officer of the watch or the commanding officer to communicate any orders concerning forward and astern speed. Forward, the possible orders were, in ascending order of power, Dead Slow, Slow, Half, Full. The "STOP" command instructed the engine room to stop propeller rotation.
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A teleprinter is a telegraph machine that can send messages from a typewriter-like keyboard and print incoming messages in readable text with no need for the operators to be trained in the telegraph code used on the line. It developed from various earlier printing telegraphs and resulted in improved transmission speeds. [37]
Sailors stand lee helm and helmsman watch. Traditionally, two stations are on the bridge of a ship for controlling the vessel's maneuvers: the helm, which uses a wheel (or touchscreen equivalent) to send signals to control the position of the rudder or rudders, and the lee helm, which traditionally inputs speed commands by operating an engine order telegraph to send engine commands to the ...
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