‥‥の計画。
During takeoff and landing, six turbofan jet engines push the ship up or ease its descent.
ご、強引ですな。あ、いや、その前の部分の
the Aeroscraft is not lighter than air. Its 14 million cubic feet of helium hoist only two thirds of the craft's weight. The rigid and surprisingly aerodynamic body-driven by huge rearward propellers-generates enough additional lift to keep the behemoth and its 400-ton payload aloft while cruising.
の方が強引か。３分の２くらいしかヘリウムでは浮力が得られないから、プロペラで推進させて揚力で持ち上げる、と。巡航せんと落ちるのかよ。
いっそポケモン「ルギア爆誕」に出て来た要塞みたくプロペラを垂直方向にクルクルと‥‥。
