But ailerons add weight and complexity to a wing .
然而,副翼给机翼增加了重量和复杂度。
Finding a way to do without ailerons while avoiding the tedious business of having to warp the whole wing would thus be a good idea .
寻找一种不靠副翼来控制飞机的方案想法很好,但同时也要避免改变整个机翼形状的麻烦。
Taking into account the known problems - including no slats and no drooping ailerons on final - the crew computed that the aircraft could be stopped 100 m ( 328 ft ) before the runway end .