During our stop at Neumayer, we did some maintenance on one of the ship's gyro compass'. See pics
Two tabby bergs
Multi year open pack
SA ship
Multi year pack- noisey going!
Inside this magic ball is two gyros set at 90° to each other, as these are spun up it maintains a constant direction with the ship moving around it.
Inside the magic ball
This is the casing that the gyro ball sits in, it is filled with a special electrically conductive liquid, so the ball is free to move and current can also pass through it to keep the gyros spinning
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