What are hot air baloons

Hot air balloons are the oldest successful humanFrancois d'Arlandes successfully petitioned for the
flight technology, dating back to the Montgolfierhonor. The first hot air balloons were basically
brothers' invention in Annonay, France in 1783.cloth bags (sometimes lined with paper) with a
The first flight carrying humans was made onsmoky fire built on a grill attached to the bottom.
November 21, 1783, in Paris byThey had a tendency to catch fire and be
šÃ‚¢tre de Rozier and the Marquisdestroyed upon landing.
d'Arlandes. Hot air balloons that can be propelledThe first military use of aircraft took place during
through the air rather than just being carried alongthe French Revolutionary Wars, when the French
by the wind are known as airships or, moreused a tethered Hydrogen balloon to observe the
specifically, thermal airships.movements of the Austrian army during the
Attractive aspects of ballooning include theBattle of Fleurus (1794). Hot air balloons were
exceptional quiet (except when the propaneemployed during the American Civil War. Though
burners are firing), the lack of any perceptiblethe military balloons used by the Union Army
feeling of movement and the birds-eye view.Balloon Corps under the command of Prof.
Since the balloon moves with the wind, theThaddeus S. C. Lowe were limp silk envelopes
passengers feel absolutely no wind, except forinflated with coke gas or hydrogen, the
brief periods during the flight when the balloonConfederate Army did attempt to counter with a
climbs or descends into air currents of differentrigid Montgolfier style hot air, or "hot smoke
direction or speed.balloon." Captain John R. Bryant inflated his rigid
A hot air balloon consists of a bag called thecotton balloon with a fire of oil-soaked pine cones.
envelope that is capable of containing hot air.The balloon was soon captured by Union forces
Suspended beneath is the gondola or wickeras the Confederate's techniques of balloon
basket (in certain, long distance or high altitudehandling were not competent.
balloons, a capsule) which carries a source of heatRevival
capable of producing a sufficient temperatureThe first modern hot air balloon was designed and
gradient between the air inside the envelope andbuilt in 1960 by Ed Yost. He made the first free
the surrounding air mass to give enough lift toflight of such an aircraft in Bruning, Nebraska on
keep the balloon and its passengers aloft. Unlike22 October 1960. Initially equipped with a plastic
gas balloons, the envelope does not have to beenvelope and kerosene fuel, Yost's designs rapidly
sealed at the bottom since the rising hot air onlymoved onto using a modified propane powered
exerts pressure on the upper hemisphere of the"weed burner" to heat the air and lightweight
balloon to provide lift. In today's sports balloonsnylon fabric for the envelope material.
the envelope is generally made from nylon fabricToday, hot air balloons are used primarily for
and the mouth of the balloon (closest to therecreation. There are some 7,000 hot air balloons
burner flame) is made from fire resistant material.operating in the United States.
Recently, balloon envelopes have been made inHot air balloons are able to fly to extremely high
fantastic shapes, such as hot dogs, rocket ships,altitudes. On November 26, 2005, Vijaypat
and the shapes of commercial products.Singhania set the world altitude record for highest
Historyhot air balloon flight, reaching 21,290 meters
Unmanned hot air balloons are mentioned in(69,852 feet). He took off from downtown
Chinese history. Zhuge Liang in the ThreeBombay, India and landed 240 km (150 miles)
Kingdoms era, Shu Kingdom, used airbornesouth in Panchale. The previous record of 19,811
lanterns for military signaling. These lanterns aremeters (64,980 ft) had been set by Per
known as Kongming lanterns (???).Lindstrand on June 6, 1988 in Plano, Texas.
There is also some speculation that hot airThe furthest that a hot air balloon has ever been
balloons were used by the Nazca Indians of Peruflown is 7,671.91 km. On January 15, 1991, the
some 1500 years ago as a tool for designing vastVirgin Pacific Flyer balloon completed the longest
drawings on the Nazca plain.flight in a hot air balloon when Per Lindstrand (born
The first clearly recorded instances of balloonsin Sweden, but resident in the UK) and Richard
capable of carrying passengers used hot air toBranson of the UK flew from Japan to Northern
obtain buoyancy and were built by the brothersCanada.
Josef and Etienne Montgolfier in Annonay, France.With a volume of 74,000 m3 (2,600,000 ft3), the
They were from a family of paper manufacturersballoon envelope was the largest ever built for a
who had noticed the ash rising in fires. Afterhot air craft. Designed to fly in the trans-oceanic
experimenting with unmanned balloons and flightsjetstreams the Pacific Flyer recorded the highest
with animals, the first balloon flight with humans onground speed for a manned balloon at 245 mph
board took place on 21 November 1783. King(394 km/h).
Louis XVI had originally decreed that condemnedThe longest duration hot air balloon flight ever
criminals would be the first pilots, but a youngmade is 50 hours and 38 minutes made by Michio
physicist namedKanda and Hirosuke Tekezawa of Japan on
šÃ‚¢tre de Rozier and the MarquisJanuary 2, 1997.