How to fly hot air balloons

Hot air balloons were the earliest means of flying that successfully carried people, though the first animals to go to a balloon, a sheep, a duck and a cock. The first manned aviation was made in France in 1783, although the balloon was tied. Later that same year, two pilots went up to a free balloon and fluttered triumphantly over a few miles to the Paris area.

The Inventors

The brothers who invented the balloon were originally believed by Jacques and Joseph Montgolfier, and smoke from the burning flame caused a balloon to inflate and rise. They looked as if they were ash from the fire and were encouraged to cover up the driving force of the fire. However, there was not exactly the heat and the smoke of the fire that allowed the three animals to take off from the ground for their eight-minute flight. Rather, it was the fact that a fire under the paper and the balloon burned the air balloon. When the air warms up, it becomes easier than the cooler air.

Numbers

-The cubic meter air weight is approximately 28 grams

-Each cubic feet are about 40 degrees Celsius

– It then measures about 7 grams less than before

– It rises because it is less dense than the cooler air.

Therefore, a cubic meter of air can only raise about 7 grams of weight. The hot balloon must be large enough to lift the weight of another person from the ground and the mass of the balloon basket. That's why you see the giant balloons with relatively small baskets.

Modern system for flying balloons [19659002] Today, the most common way to air the air inside the balloon is to burn propane. Propane is easy to handle because it is stored in liquid form and can be carried in cylinders in the balloon basket. Bottles are fixed to a burner by means of a hose, roughly the same as a grill grill or a gas bottle. When the control lamp illuminates the burner with a burning lamp, the propane fuel changes from liquid to gas. The gas then warms the air inside the balloon and rises

Envelope

The bulk of the balloon is called an envelope. Because of the heat generated inside the envelope, the material is relatively heat-resistant. The Montgolfier brothers' original paper and clothes do not, of course, maintain the current heating methods. Nowadays, the usual material is nylon, high melting point and light, durable structure. Since the closest to the flame, the bottom of the envelope is treated with a special flame retardant coating

Source by Tamara Jacobs

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