2006年,他转向了动力滑翔机,同时把小型内燃机拆了下来,用电池和电动机来替代。
A light aircraft typically has a lift-to-drag ratio of around 10:1; for a hang-glider, the ratio is about 15:1.一架轻型飞机通常拥有10:1的升阻比;而对于悬挂式滑翔机来说,这个比例大概是15:1。
This ratio also means that an unpowered hang-glider flying at a constant speed moves 15 metres forward for every one metre it descends.这个比例也意味着一架无动力悬挂式滑翔机以恒定速率飞行时高度每下降1米,可以向前滑翔15米。