The 14-cylinder engine turns the longest propeller shaft (130 metres) ever built, at the end of which is the largest propeller, weighing in at 130 tonnes.
14缸发动机转动最长的推进器杆(130米)，在其末端是最大的推进器，重130吨。
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The first propeller-driven airship, built by Henri Giffard, flew in 1852 in France; design improvements led to construction of the rigid zeppelin (1900).