November 21, 1783 (October 27), mao, the humanity of the first hot-air balloon trip.


1783 11 21 - France Montego Phil brothers ride their own hot air balloon flight by 25 minutes, which is man's first hot-air balloon trip. century French physicist,

18, a hot air balloon flight pioneer LUO Ze invented a hot air balloon, and was named after him. Hot air balloon expert Cameron 20 years ago and improved. Hot air balloon flight around the world are widely used today are made of two layers of airbags inside the balloon is filled with air between a helium balloon, two layers of airbags, below the resettlement burner. Throughout the flight, the helium balloon has maintained a certain buoyancy. In addition, during the day, by using sunlight for heating the air in the two-layer airbag, generating buoyancy; night and then open the burner heating the air. This saves fuel, very suitable for long-distance flight. The [lsjt.net]
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