尾部设计：甲烷的短距起降801尾节的目的是提供在高攻角的最大效益（控制）的速度和缓慢。
TAIL DESIGN : The STOL CH 801 tail sections are designed to provide maximum effectiveness (control) at slow speeds and at high angles of attack.
参与竞争的两种无人机均为单一扇涡轮驱动的无尾翼飞行飞机，除此以外，X - 47 B被设计用于航母作战，具有可折叠机翼，并装备有尾部吊钩。
While both competitors are tailless flying wings powered by single turbofans, the X-47B was designed for carrier operations and features folding wings and a tail hook.
其中一个设计方案有一对安装在尾部、在机翼上方的发动机，而根本没有尾翼（见下图）。
One of these designs has a pair of jet engines mounted aft, but positioned over and above the wing. This aircraft has no tail fins at all (see below).
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