The positive sprocket drive ensures stable running. 采用齒輪傳動(dòng),連轉穩定。
But the geared turbofan and the open rotor are so different from each other that they will need different airframes. 但是齒輪傳動(dòng)渦扇發(fā)動(dòng)機以及開(kāi)放轉子發(fā)動(dòng)機之間如此巨大的差異使得他們將需要不同的飛機構型。