Torpedo Control Tower Bearing Plotter
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Bearing Rate Instrument[1]
The Bearing Rate Instrument was an experimental piece of equipment intended for deployment in the Torpedo Control Tower of a Royal Navy capital ship.
Two were allegedly built for trial in Queen Mary and King George V.[2]
They took relative bearings from the tower's rangefinder, rectified them by a gyrocompass repeater to true bearing and plotted them in a manner very similar to a Dreyer table's bearing plot. These would permit a bearing rate to be observed and applied through a set of slide rules to obtain a deflection to be applied to a torpedo director.
[TO BE CONTINUED - TONE] — TONY LOVELL, Editor.
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