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
Alabama Jubilee Hot Air Balloon Classic Alabama Jubilee Hot Air Balloon Classic The Alabama Jubilee Hot-Air Balloon Classic is held annually on Memorial Day weekend in Decatur, Alabama. Each year the Jubilee hosts about 60 local and national hot-air balloons at Point Mallard Park. Public admission is free of charge, and the weekend boasts many fun and exciting activities. Below a partial listing of events that are part of each year's Jubilee: The Alabama Jubilee is unique in that it allows for the crowd of around 50,000 to mingle with pilots and crews, while 7-story tall balloons inflate and float overhead. The Alabama Jubilee Hot-Air Balloon