Reels tagged #aviation
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Inventions
Two enemies invented the jet engine separately
Frank Whittle in Britain and Hans von Ohain in Germany developed jet engines independently in the 1930s, with neither aware of the other's work.
Inventions
Helicopter designs are 500 years old
Leonardo da Vinci sketched an aerial screw around 1489. A workable helicopter took until the 1930s, because no engine before then had enough power for its weight.
Inventions
The parachute predates the aeroplane by a century
Andre-Jacques Garnerin jumped from a balloon at 3,000 feet over Paris in 1797, more than 100 years before powered flight.