The Wright Brothers are some of the most famous aircraft designers in history, but they weren't the only ones to try to reinvent the plane. Let's take a look at some of the strangest mistakes in aviation history.
Fisher P-75 Eagle

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During World War I, this aircraft was equipped with a French 75 mm gun. The "Eagle" is an American symbol. It was built from several different plane parts. People were disappointed that it didn't work.
Douglas DC-10
It has had 55 accidents, making it the worst plane ever built. The doors opened from the outside, not the inside. During a robbery in 1974, the doors opened into the air! In 1979, a wing fell off a plane during takeoff. It's safer now, which is a good thing.