Only one. The type where the hot air balloon leaves the ground.
The first untethered manned flight in a hot air balloon was accomplished on Novemebr 21, 1873, in Paris, France.
High winds, thunderstorms, or very cold air would have a detrimental effect on any hot air balloon flight.
They invented the first hot air balloon in France. The first flight of the hot air balloon was conducted in Bois de Boulogne in Paris
the first hot air balloon was created by the Montgolfier brothers, the first manned flight in a hot air balloon was by Jean-François Pilâtre de Rozier and François Laurent
The longest someone has flown in the air is 50 hours!
Density is related to the flight of hot air balloons because the more density the harder it is to get of the ground.
At the end of a hot air balloon flight the heated air inside is allowed to escape through a panel that is opened either in the top or side of the balloon envelope. The crew then squeezes the remaining air our of the envelope and then packs it away in a large bag ready for the next flight. This process is called deflating the balloon
The hot air balloon was introduced into the United States in the late 1700s. The first flight was on January 9, 1793 in Philadelphia.
Hot Air Balloon! Or Airplane, helicopter, etc.
it was in the 1940.
At the end of a hot air balloon flight the heated air inside is allowed to escape through a panel that is opened either in the top or side of the balloon envelope. The crew then squeezes the remaining air our of the envelope and then packs it away in a large bag ready for the next flight. This process is called deflating the balloon