Jacques Étienne Montgolfier

The brothers, Joseph Michel Montgolfier (26 August 1740 – 26 June 1810) and Jacques-Étienne Montgolfier (6 January 1745 – 2 August 1799) were the inventors of the montgolfière, globe airostatique or European hot air balloon. The brothers succeeded in launching the first manned ascent to carry a young physician and an audacious army officer into the sky. Image File history File links Download high resolution version (832x1248, 867 KB) Jacques Étienne Montgolfier (1745–1799), inventor of the hot air balloon. ... Image File history File links Download high resolution version (832x1248, 867 KB) Jacques Étienne Montgolfier (1745–1799), inventor of the hot air balloon. ... The Montgolfier Brothers is an indie pop duo which features gnacs Mark Tranmer and Lovewood drummer Roger Quigley. ... is the 238th day of the year (239th in leap years) in the Gregorian calendar. ... Events May 31 - Friedrich II comes to power in Prussia upon the death of his father, Friedrich Wilhelm I. October 20 - Maria Theresia of Austria inherits the Habsburg hereditary dominions (Austria, Bohemia, Hungary and present-day Belgium). ... is the 177th day of the year (178th in leap years) in the Gregorian calendar. ... 1810 was a common year starting on Monday (see link for calendar). ... is the 6th day of the year in the Gregorian calendar. ... // Events May 11 - War of Austrian Succession: Battle of Fontenoy - At Fontenoy, French forces defeat an Anglo-Dutch-Hanoverian army including the Black Watch June 4 – Frederick the Great destroys Austrian army at Hohenfriedberg August 19 - Beginning of the 45 Jacobite Rising at Glenfinnan September 12 - Francis I is elected... is the 214th day of the year (215th in leap years) in the Gregorian calendar. ... 1799 was a common year starting on Tuesday (see link for calendar). ... Hot air balloon in flight The hot air balloon is the oldest successful human-carrying flight technology, dating back to its invention by the Montgolfier brothers in Annonay, France in 1783. ...

Early years

The brothers were born into a family of successful paper manufacturers in Annonay, in the Ardèche, France to Pierre Montgolfier (1700-1793), the father of sixteen children. Pierre established his eldest son Raymond (1730-1772) as his successor. As a result, the younger sons were initially sent away to school to learn other professions. A blank sheet of paper Paper is a commodity of thin material produced by the amalgamation of fibers, typically vegetable fibers composed of cellulose, which are subsequently held together by hydrogen bonding. ... Annonay is a town and commune in the Ardèche département of France in the Rhône-Alpes region. ... Ardèche (Occitan and Arpitan: Ardecha) is a department in south-central France named after the Ardèche River. ...

Joseph Michel Montgolfier

Joseph (12th child) possessed a typical inventor's temperament -- a maverick and dreamer but impractical in terms of business and personal affairs. Étienne had a much more even and businesslike temperament than Joseph. As the 15th child he was sent to Paris to train as an architect. However, after the sudden and unexpected death of Raymond in 1772, he was recalled to Annonay to run the family business. In the subsequent 10 years, Étienne applied his talent for technical innovation to the family business; papermaking was a high-tech industry in the 18th century. He succeeded in incorporating the latest Dutch innovations of the day into the family mills. His work led to recognition by the government of France as well as the awarding of a government grant to establish the Montgolfier factory as a model for other French papermakers, but also to the family wealth. Image File history File links No higher resolution available. ... Image File history File links No higher resolution available. ...

Initial experiments

Of the two brothers, it was Joseph who first contemplated building "machines". Gillispie puts it as early as 1777 when Joseph observed laundry drying over a fire incidentally form pockets that billowed upwards.^[1] Joseph made his first definitive experiments in November of 1782 while living in Avignon. He reported, some years later, that he was watching a fire one evening while contemplating one of the great military issues of the day -- an assault on the fortress of Gibraltar, which had proved impregnable by both sea and land.^[2] Joseph mused on the possibility of an air assault using troops lifted by the same force that was lifting the embers from the fire. He believed that contained within the smoke was a special gas, called 'Montgolfier Gas', with a special property he called 'levity'. City flag City coat of arms Location Coordinates Time Zone CET (GMT +1) Administration Country France Région Provence-Alpes-Côte dAzur Département Vaucluse (préfecture) Arrondissement Avignon Canton Chief town of 4 cantons Intercommunality Communauté dagglomération du Grand Avignon Mayor Marie-Josée Roig...

As a result of these musings, Joseph set about building a box-like chamber 1x1x1,3m (3 ft by 3 ft by 4 ft) out of very thin wood and covering the sides and top with lightweight taffeta cloth. Under the bottom of the box he crumpled and lit some paper. The contraption quickly lifted off its stand and collided with the ceiling. Joseph then recruited his brother to balloon building by writing the prophetic words: "Get in a supply of taffeta and of cordage, quickly, and you will see one of the most astonishing sights in the world."^[3] For other uses, see Foot (disambiguation). ... Taffeta (sometimes spelled taffety) is a crisp, smooth woven fabric made from silk or synthetic fibers. ... Taffeta (sometimes spelled taffety) is a crisp, smooth woven fabric made from silk or synthetic fibers. ...

The two brothers then set about building a contraption 3 times larger in scale (27 times larger in volume). The lifting force was so great that they lost control of their craft on its very first test flight on 14 December 1782. The device floated nearly 2 kilometres (about 1.2 mi). It was destroyed after landing by the "indiscretion" of passersby.^[4] is the 348th day of the year (349th in leap years) in the Gregorian calendar. ... 1782 was a common year starting on Tuesday (see link for calendar). ...

Public demonstrations

First public demonstration in Annonay, 1783-06-04.

The brothers decided to make a public demonstration of a balloon in order to establish their claim to its invention. They constructed a globe-shaped balloon of sackcloth with three thin layers of paper inside. The envelope could contain nearly 790 m³ (28,000 cubic feet) of air and weighed 225 kg (500 lb). It was constructed of four pieces (the dome and three lateral bands), and held together by some 1,800 buttons. A reinforcing "fish net" of cord covered the outside of the envelope. Image File history File links Size of this preview: 410 × 600 pixelsFull resolution (972 × 1422 pixel, file size: 1. ... Image File history File links Size of this preview: 410 × 600 pixelsFull resolution (972 × 1422 pixel, file size: 1. ... Annonay is a town and commune in the Ardèche département of France in the Rhône-Alpes region. ... 1783 was a common year starting on Wednesday (see link for calendar). ... June 4 is the 155th day of the year (156th in leap years) in the Gregorian calendar. ...

On 4 June 1783, they flew this craft as their first public demonstration at Annonay in front of a group of dignitaries from the Etats particulars. Its flight covered 2 km (1.2 mi), lasted 10 minutes, and had an estimated altitude of 1.600 - 2.000m (5,200 - 6,600 ft). Word of their success quickly reached Paris. Etienne went to the capital to make further demonstrations and to solidify the brothers' claim to the invention of flight. Joseph, given his unkempt appearance and shyness, remained with the family. Etienne was the epithome of sober virtues ... modest in clothes and manner...^[5] He was dressed stylishly in black. June 4 is the 155th day of the year (156th in leap years) in the Gregorian calendar. ... 1783 was a common year starting on Wednesday (see link for calendar). ...

A model of the Montgolfier brothers balloon at the London Science Museum

In collaboration with the successful manufacturer, Jean-Baptiste Réveillon, Etienne constructed a 37,500 cubic foot envelope of taffeta coated with a varnish of alum. The balloon was sky blue and with golden flourishes, signs of the zodiac, suns. The design was the influence of Réveillon, a wallpaper maker. The next test was on the 11th of September from the parc la Folie Titon, close to the house of Réveillon. There was some concern about the effects of flight into the upper atmosphere on living creatures. The king proposed to launch two criminals, but it is most likely that the inventors decided to send animals aloft first. Image File history File linksMetadata Download high resolution version (960x1280, 178 KB) Summary Model of the montgolfier brothers balloon at the UK Science Museam Kensington Licensing I, the creator of this work, hereby release it into the public domain. ... Image File history File linksMetadata Download high resolution version (960x1280, 178 KB) Summary Model of the montgolfier brothers balloon at the UK Science Museam Kensington Licensing I, the creator of this work, hereby release it into the public domain. ... Science Museum The Science Museum on Exhibition Road, Kensington, London, is part of the National Museum of Science and Industry. ... Jean-Baptiste Réveillon, (Paris, 1725 - Paris, 1811) was a French wallpaper manufacturer. ... A crystal of alum Alum, Allom [aluminium potassium sulphate], in chemistry, is a term given to the crystallized double sulfates of the typical formula M+2SO4·M3+2(SO4)3·24H2O, where M+ is the sign of an alkali metal (lithium, sodium, potassium, rubidium, or caesium), and M3+ denotes one... The term zodiac denotes an annual cycle of twelve stations along the ecliptic, the apparent path of the sun across the heavens through constellations that divide the ecliptic into twelve equal zones of celestial longitude. ... Mary Cassatts painting of two ladies drinking tea in a room with red-blue striped wallpapers. ... Évrard Titon du Tillet (January 1677 - 26 December 1762) is best known for his important biographical chronicle, Le Parnasse françois, composed of brief anecdotal vite of famous French poets and musicians of his time, under the reign of Louis XIV and the Régence. ...

On 19 September 1783 the Aerostat Réveillon was flown with the first living beings in a basket attached to the balloon: a sheep, called Montauciel (Climb-to-the-sky), a duck and a rooster. This demonstration was performed before a huge crowd at the royal palace in Versailles, before King Louis XVI of France, Queen Marie Antoinette.^[6] The flight lasted approximately eight minutes, covered two miles, and obtained an altitude of about 1500 feet. The flight would have been longer but the craft was unstable. It tipped wildly just after launch which allowed a considerable amount of hot air to spill from the mouth. The animals survived the trip unharmed. ...the sheep was discovered nibbling imperturbably on straw while the cock and the duck cowered in a corner.^[7] is the 262nd day of the year (263rd in leap years) in the Gregorian calendar. ... 1783 was a common year starting on Wednesday (see link for calendar). ... Versailles (pronounced in French), formerly de facto capital of the kingdom of France, is now a wealthy suburb of Paris and is still an important administrative and judicial center. ... Louis XVI, born Louis-Auguste de France (23 August 1754 – 21 January 1793) ruled as King of France and Navarre from 1774 until 1791, and then as King of the French from 1791 to 1792. ... Marie-Antoinette, Queen of France and Archduchess of Austria (born November 1755 – executed 16 October 1793) Daughter of Maria Theresa of Austria, wife of Louis XVI and mother of Louis XVII. She was guillotined at the height of the French Revolution. ...

Human flight

With the successful demonstration at Versailles, and again in collaboration with Réveillon, Etienne started construction of a 60,000 cubic foot balloon for the purpose of making flights with humans. The craft was 75 feet tall and 46 feet in diameter. The balloon was tested in tethered flights on 15 October by Pilâtre de Rozier, a twenty-six-year-old physician, who offered his services. On the 17 October the experiment was repeated before a group of scientists and 19 October Rozier and André Giroud de Villette, a wallpaper manufacturer from Madrid, reached 324 foot within 15 seconds along retaining ropes. is the 288th day of the year (289th in leap years) in the Gregorian calendar. ... Jean-François Pilâtre de Rozier. ... is the 290th day of the year (291st in leap years) in the Gregorian calendar. ... is the 292nd day of the year (293rd in leap years) in the Gregorian calendar. ...

On 21 November the first free flight by humans was made by Pilâtre, together with an army officer, the marquis d'Arlandes. The flight began near the Bois de Boulogne in the parc of the Château de la Muette in the western outskirts of Paris. They flew aloft about 3,000 feet above Paris for a distance of nine kilometres. After 25 minutes the machine landed between the windmills, outside the city ramparts, on the Butte-aux-Cailles. Enough fuel remained on board at the end of the flight to have allowed the balloon to fly four to five times as far. However, burning embers from the fire were scorching the balloon fabric and had to be daubed out with sponges. As it appeared it could destroy the balloon, Pilâtre took off his coat to stop the fire. is the 325th day of the year (326th in leap years) in the Gregorian calendar. ... This page is a candidate to be moved to Wikisource. ... The upper lake, with rowboats The Bois de Boulogne is a park located along the western edge of the 16ème arrondissement of Paris, near the suburb of Boulogne-Billancourt. ... Marguerite de Valois, an early resident of the Château de la Muette. ... City flag City coat of arms Motto: Fluctuat nec mergitur (Latin: Tossed by the waves, she does not sink) The Eiffel Tower in Paris, as seen from the esplanade du Trocadéro. ... This article does not cite any references or sources. ...

The ascensions made a sensation. Numerous engravings commemorated the events. Chairs were designed with balloon backs, and mantel clocks were produced in enamel and gilt-bronze replicas set with a dial in the balloon. One could buy crockery decorated with naive pictures of balloons.

Following launches

In 1766, the British scientist Henry Cavendish had discovered hydrogen, by adding sulphuric acid to iron, tin, or zinc shavings. The development of gas balloons proceeded almost in parallel with the work of the Montgolfiers. This work was led by M. Charles. On the 27th of August a hydrogen balloon was launched from the Champ de Mars in Paris. Six thousand people paid for a seat. A downpour of rain ended the show. On December, the 1st, prof. Charles went up into the sky twice. For other persons named Henry Cavendish, see Henry Cavendish (disambiguation). ... A scientific balloon being launched near Lynn Lake in Manitoba, Canada. ... Jacques Alexandre César Charles, 1820. ... General Name, Symbol, Number hydrogen, H, 1 Chemical series nonmetals Group, Period, Block 1, 1, s Appearance colorless Atomic mass 1. ... View of Champ de Mars from the top of the Eiffel Tower The Champ_de_Mars is a vast public area in Paris, France, located in the 7th arrondissement, between the Eiffel Tower to the northwest and the cole Militaire to the southeast. ...

Work on each type of balloon was spurred on by the knowledge that there was a competing group and alternative technology. For a variety of reasons, including the fact that the French government chose to put a proponent of hydrogen in charge of balloon development, hot air balloons were superseded by hydrogen balloons. Hydrogen balloons became the predominant technology for the next 180 years. Hot air balloon in flight The hot air balloon is the oldest successful human-carrying flight technology, dating back to its invention by the Montgolfier brothers in Annonay, France in 1783. ... General Name, Symbol, Number hydrogen, H, 1 Chemical series nonmetals Group, Period, Block 1, 1, s Appearance colorless Atomic mass 1. ...

Hydrogen balloons were used for all major ballooning accomplishments such as the crossing of the English Channel on 7 January 1785, by the tireless aviators Jean-Pierre Blanchard and Dr. John Jeffries, from Boston. is the 7th day of the year in the Gregorian calendar. ... 1785 was a common year starting on Saturday (see link for calendar). ... Jean-Pierre Blanchard (aka Jean Pierre François Blanchard), (7 July 1753 – 7 March 1809) was a French inventor, most remembered a pioneer in aviation and ballooning. ... Dr. John Jeffries (1745-1819) was a Boston physician and scientist, and a military surgeon with the British army in Nova Scotia and New York during the American Revolution. ...

Competing claims

Some claim that the hot air balloon was actually invented some 74 years earlier by the Portuguese priest Bartolomeu de Gusmão.^[8] A description of his invention was published in 1709, in Vienna, and another one that was lost was found in the Vatican (circa 1917).^[9] However, this claim is not generally recognized by aviation historians outside the Portuguese speaking community, in particular the FAI. Bartolomeu de Gusmão, born Bartolomeu Lourenço (1685, Santos, São Paulo, Brazil - November 18, 1724, Toledo, Spain), was a Portuguese priest and naturalist, recalled for his early work on lighter-than-air airship design. ... The initials FAI refer to at least four different groups: Federación Anarquista Ibérica (Iberian Anarchist Federation) Federazione Anarchica Italiana (Italian Anarchist Federation) Fédération Aéronautique Internationale, a standard setting and record-keeping body for aeronautics and astronautics Football Association of Ireland, the governing body for football...

Revival of the hot air balloon

Although balloons employing heated air for lift were used from time to time, the modern revival of the hot air balloon began on 22 October 1960 in Bruning, Nebraska on when Ed Yost improved the safety of the classic Montgolfier design by using a plastic envelope and a kerosene fueled heater. Paul Edward Yost (June 30, 1919 – May 27, 2007) was the American inventor of the modern hot air balloon and was sometimes referred to as the Father of the Modern Day Hot-Air Balloon. ...

Today, hot air balloons that use propane fuel and ripstop nylon envelopes are by far the predominant method for obtaining buoyant flight. Propane is a three-carbon alkane, normally a gas, but compressible to a liquid that is transportable. ... Ripstop nylon is the primary material used in Hot air balloons Rip-stop Nylon is a light-weight, water-repellent nylon fabric with inter-woven ripstop reinforcement threads in a crosshatch pattern, so the material resists ripping or tearing. ...

References

1. ^ C.C. Gillispie, The Montgolfier brothers and the invention of aviation 1783-1784, p. 15.
2. ^ C.C. Gillispie, p. 16.
3. ^ C.C. Gillispie, p. 17.
4. ^ C.C. Gillispie, p. 21.
5. ^ S. Schama (1989) Citizens. A Chronicle of the French Revolution, p. 125.
6. ^ C.C. Gillispie, p. 92-3.
7. ^ S. Schama (1989), p. 123.
8. ^ Reis, Fernando. Bartolomeu de Gusmão.Ciência em Portugal. Centro Virtual Camões in Portuguese
9. ^ Gusmao, Bartolomeu de. Reproduction fac-similé d'un dessin à la plume de sa description et de la pétition addressée au Jean V. (de Portugal) en langue latine et en écriture contemporaine (1709) retrouvés récemment dans les archives du Vatican du célèbre aéronef de Bartholomeu Lourenco de Gusmão "l'homme volant" portugais, né au Brésil (1685-1724) précurseur des navigateurs aériens et premier inventeur des aérostats. 1917 (Lausanne : Impr. Réunies S. A..) in French and Latin

External links

• "Lighter than air: the Montgolfier brothers"
• "Balloons and the Montgolfier brothers"
• http://www.twinring.jp/english/balloon/what_balloon/