但是那些马达所驱动的推进器却远非寻常。
The main pair are stern-mounted Azipull propellers. These are similar to the azimuththrusters already used on some vessels: propellers on pods that can be rotated to push theship in different directions, making a rudder unnecessary.
其中最重要的一对是安装在船尾的Azipull螺旋桨,它们与一些轮船已经在使用的方位推进器有点相似:分离舱上可旋转的螺旋桨能够推动船驶向不同的方向,这样就不必再使用船舵。
But the Rolls-Royce Azipull has the propeller at the front of the pod rather than the back.
但是劳斯莱斯公司将Azipull螺旋桨装在了分离舱的前端而非尾部,
That means the propeller operates in a smoother flow of water, which improves efficiencyand assists steering.
这意味着螺旋桨能在更平稳的水流中工作,从而提高效率,方便轮船的行驶。
This design has been made possible using computational fluid dynamics to perfect the shapesof the blades and pods.
设计师通过计算流体力学完善舵叶与分离舱的形状,使得这种设计成为可能。
Further control is provided by two bow thrusters. These are propellers mounted intransverse tunnels in the hull, to help position the craft and hold her stable while alongsidea rig.
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