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1937年。当时世界最大的齐柏林硬式飞艇——德国制造的兴登堡号飞艇(LZ 129 Hindenburg)——在美国新泽西州上空爆炸。这场灾难震惊了全世界,投资商和旅客们都不愿再冒险,于是飞艇制造业一度停滞,原本用于飞艇制造的预算转而投入飞机和操作简单的直升机,飞艇领域前路渺茫。随后第二次世界大战爆发,各大国加紧对飞机研发的投资,并在此方面接连取得巨大成就。似乎一夜之间,人们不再热衷于慢悠悠的飞艇旅行,天空被更时髦、更急速的飞机所占领。
1937. The Zeppelin, the world’s largest zeppelin, the German-made Hindenburg airship (LZ 129 Hindenburg), exploded over New Jersey, the United States. The disaster shocked the world, investors and travelers are reluctant to take risks, so once the airship manufacturing stagnation, the original budget for airship manufacturing and then into the aircraft and simple helicopters, airspace in the forefront. After the outbreak of World War II, major countries stepped up their investment in aircraft research and development and made tremendous achievements in this regard one after another. It seems overnight, people are no longer keen on the slow airship trip, the sky was occupied by more stylish, more rapid aircraft.