Tillers are more commonly used on smaller sailboats because it can take much force to move the larger rudder of a big boat with a tiller.

舵柄在小型船只上使用得更广泛，因为对于大船来说转动舵柄来掌舵需要太大力气了。

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If a pilot tries to turn with the rudder alone, centrifugal force makes the aircraft skid out the sideways.

当飞行员尝试只用方向舵转弯时，离心力就会使飞机侧滑。

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Ship model tests for measuring rudder lateral force are carried out in both still water and following seas.

本文报道了船舶随浪航行时舵横向力测量模型试验。

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