它由两个喷气涡轮引擎提供动力，以驱动五个叶片的主旋翼，以及通过齿轮箱和连轴驱动在两边短翼上的一对螺旋桨。
It is powered by two jet-turbine engines which operate both the five-bladed main rotor and, through a gearbox and shafts, a pair of propellers on two short wings.
它使用一个安装在后面的推进式螺旋桨并有一对一上一下反向旋转的主旋翼。
The X2 uses a pusher propeller mounted at the rear and has a pair of contra-rotating main rotors, one positioned above the other.
在上翼缘处有足够的松动，因而在主梁腹板上并不会引起很大的相对扭转。
At the top flange there would be enough slack so that no relative twist of any significant magnitude would be introduced into the girder web.
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