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
Penang Hot Air Balloon Fiesta the mainland. Penang Hot Air Balloon Fiesta The Penang Hot Air Balloon Fiesta is an annual hot air balloon festival held within the city of George Town in Penang, Malaysia. The festival, organised by AKA Balloon Sdn Bhd, a Malaysian private limited firm, takes place every February at the city's Polo Ground. Inaugurated in 2015, the two-day Penang Hot Air Balloon Fiesta typically features 15 hot air balloons, with the participating crew coming from various nations such as Malaysia, the Netherlands, Belgium and the United States. The previous edition of the festival in 2017 attracted as many as 170,000 visitors.