Gyro Director Training Gear

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Gyro Director Training Gear (often G.D.T. or GDT) was a Royal Navy innovation hit upon late in the war which revisited the means by which a ship would take bearings to a target and plot them on a Dreyer Fire Control Table. GDT arrived too late to see action in the war.[Citation needed]

Prior Methods

Before the advent of GDT, a Royal Navy capital ship would take bearings to the target from either an Argo Rangefinder or from a Mark VII Dumaresq situated in the armoured hood, and these would be rectified by a gyro-compass before being plotted against time on

See Also

Footnotes

Bibliography