Hot air balloon Montgolfier brothers, and had its first public demonstration on 4 June 1783 with an unmanned flight lasting 10 minutes, followed later that year with manned flights. The 1785 Rozière balloon, a type of hybrid balloon, named after its creator, Jean-François Pilâtre de Rozier, has a separate cell for a lighter than air gas (typically helium,) as well as a cone below for hot air (as is used in a hot air balloon) to heat the helium at night. Hydrogen gas was used in the very early stages of development but was quickly abandoned due to the obvious danger of introducing
Gatineau Hot Air Balloon Festival the following years the festival became much larger and was one of the biggest festivals in Canada. Attendance at one point reached over 225,000 people and had over 150 balloons. In 1998, the festival was also hosting the World Hot Air Airship Championship, which was disputed by 16 teams from Europe, China and the United States. On July 14, 2001, Boileau who was the general manager since its beginning was involved in a horrific hot-air balloon accident just east of the Ottawa International Airport on Leitrim Road. The balloon, while trying to land in an open field, struck some hydro