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喷气背包的工作原理是什么? 为什么没有普及?——理查德 · 布朗宁与黛比 · 布朗宁
325,144 plays
|
Richard Browning
|
TED-Ed
• February 2022
Read transcript
1961 年,尤里·加加林驾驶宇宙飞船进行人类首次载人航天飞行。一周后,贝尔航空系统公司推出了一款可以在 13 秒内飞行 35 米的燃气动力火箭背包。不幸的是,工程师们知道这次短途飞行是火箭背包所能支持的全部。为什么大型航天器会比单个的飞行员更容易飞行呢?理查德 · 布朗宁进行了调查。 [由 Mitch Hearn 和 Lisa Vertudaches 执导,Bethany Cutmore-Scott 旁白,Cem Misirlioglu 配乐]。
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