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4 June 2008

On this day in history: Montgolfier Brothers first public balloon flight, 1783

Before the pioneering balloon flights of Joseph-Michel and Jacques-Étienne, the Montgolfier family of Vidalon, near Annanoy in south-eastern France, were best known as owners of a successful papermaking business. The twelfth of fifteen children, Joseph was a dreamer and the first to consider constructing flying machines. His youngest brother Étienne provided the technical knowledge and skill to make Joseph's dreams a reality.

In November 1782, while living in Avignon, Joseph started experimenting with small models made of wood and taffeta under which he lit a small fire. When the model rose, Joseph concluded that the smoke from the fire contained 'Montgolfier Gas' that had a special property he called 'levity'. This phenomenon had been known since 1709 when a Brazilian priest, Bartolomeu de Gusmão, made a ball rise to the ceiling of the hall of the Casa da India, Lisbon, in the presence of King John V of Portugal. Despite being made a professor at the University of Coimbra, de Gusmão never developed a large scale lighter-than-air-ship.

Encouraged by his initial results, Joseph Montgolfier sent for Étienne, who had trained in Paris as an architect and thus had the ability to take Joseph's experiments forward. Indeed, within a month of the initial experiment, the brothers had constructed a device with twenty-seven times the volume of the original model which flew with such force that they could not maintain control of it. They eventually found their experiment around two kilometres away.

On 4th June 1783, the brothers were ready for their first public demonstration. They readied their balloon in the marketplace at Annanoy. The balloon was made from sackcloth, lined on the inside with layers of paper and had a volume of 28,000 cubic feet. The enormous device drew a sizeable crowd, including local dignitaries, who watched the ten minute flight. The brothers became famous overnight.

Étienne went to Paris to conduct further demonstrations in collaboration with Jean-Baptiste Réveillon, the famous wallpaper manufacturer. The result was the Aerostat Réveillon, which flew in September 1783 carrying a sheep, a rooster and a duck aloft watched by King Louis XVI, his Queen, Marie Antoinette, and an enormous crowd gathered at Versailles. The royal palace was also the setting for the next flight, conducted a month later, which carried a humans into the air for the first time in recorded history. The first two aeronauts were Pilatre de Rozier and Marquis d'Arlandes, and while their names are little remembered, the name Montgolfier looms large in the history of flight.

3 comments:

Alex Hardie said...

for more on this go to http://www.virginballoonflights.blogspot.com/

scartoonist said...

I can think of a few people I'd like to serve a beverage carbonated with "Montgolfier Gas."

Ben
http://scratchinpost.synthasite.com/
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http://psychedelictreehouse.synthasite.com/
http://floatinglightbulb.blogspot.com/

Stepterix said...

Alex: thanks for the link

scart: beverage with Montgolfier gas? sounds like bongwater to me ;)