这些驱动器，中央螺旋桨轴通过减少锥齿轮2：1减少。

These drive the central propeller shaft through bevel reduction gears with a 2:1 reduction.

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密封空气被注入到主马达轴（顶部和下部）和驱动马达的齿轮轴的迷宫式密封里。

Seal air is injected into the labyrinth seals located at the main motor shaft (top and bottom) and at the pinion shaft driving the motor.

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齿轮A位于驱动轴的末端，齿轮b在副传动轴上，它们恒定啮合。

Gear a, at the end of the drive shaft, and gear B, on the countershaft, are in constant mesh.

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