而最初用火箭来发射却干扰了回旋装置，而且无线电导航也缺乏其可靠性，原因是真空管在高度加速的情况下承受不了压力。
The initial launch using rockets upset the gyroscopes, and radio guidance was unreliable because vacuum tubes suffered under high acceleration.
但是经证明，这套系统不可靠也不够精确，特别是因为飞机弹射器发射后扰乱了灵敏的回旋装置，而且这个装置没有任何动作。
But it proved unreliable and inaccurate, not least because the catapult launches upset the sensitive gyroscopes, and it never saw action.
这是一个无人驾驶的双翼飞机，它有着自动钢琴的风箱来为回旋装置提供动力，以及一个收银机的机械装置——通过记录类似螺旋推进器的转子的旋转次数来计算飞行的距离。
It was an unmanned biplane with player-piano bellows to power its gyroscope and a cash-register mechanism that calculated distance flown by counting the rotations of a propeller-like rotor.
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