Balloons

Balloon Flight: Past, Present, and Future
By Lois Crawford
In the second workweek of October, the sky above Albuquerque, New Mexico, is filled with hot-air
amplifys. Six cytosine of them, in countless shapes and colors, rise above Balloon fiesta Park during
the annual nine-day period of the worlds biggest and best mass surge liftoff (Ludmer 129).
Ballooning in the United States today is a normal hobby for spectators and fliers, but it has also been a
serious branch of astronautics for more(prenominal) than 200 years.
Balloons atomic number 18 lighter-than-air vehicles. A expand rises because the gas inside it is lighter than the air
around it. thither are two ways of making the inside of a wallow lighter than air. One way is to fill the
balloon with a light gas such as helium or hydrogen. The other way is to heat the air inside the balloon,
employ a propane burner.
There are two kinds of piloted balloons: free-floating and powered. The hot-air balloons that people
ride in for fun, as at the Balloon Fiesta, are free-floating. A free-floating balloon evokenot be steered. The
pilot rout out only make the balloon go up or down. By doing so, the pilot can try to catch air currents that
will move the fraud in a desired direction.
Powered balloons, in contrast, can be steered.



They charter engines, propellers, rudders, and steering
instruments. Powered balloons are called airships, or dirigibles. There are two main types of airships:
rigid and nonrigid. Rigid airships have frames of metal or wood. People today are more familiar with
nonrigid airships, or blimps. Blimps have no frame. A blimp keeps its shape because of the outward
pressure of the gas inside it.
The rootage balloons were made in the late 1700s by two cut brothers, Jacques Etienne and Joseph
Michel Montgolfier. Joseph, a daydreamer, was watching ashes in the fireplace rise up the chimney. If
ashes could rise into the air, could other solid objects? He filled a small paper bag with smoke to see
what would happen. The bag...If you want to return a full essay, order it on our website: Orderessay



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