Hot air balloon sea level, and humidity of the air surrounding. On a warm day, a balloon cannot lift as much as on a cool day, because the temperature required for launch will exceed the maximum sustainable for nylon envelope fabric. Also, in the lower atmosphere, the lift provided by a hot air balloon decreases about 3% for each 1,000 meters (1% per 1,000 ft) of altitude gained. Standard hot air balloons are known as Montgolfier balloons and rely solely on the buoyancy of hot air provided by the burner and contained by the envelope. This style of balloon was developed by the
Gatineau Hot Air Balloon Festival Gatineau Hot Air Balloon Festival The Gatineau Hot Air Balloon Festival is a yearly festival, held in Gatineau, Quebec, Canada, and organized by a not-for-profit organization, during which hot air balloons of every shape and colour are flown and where 300 shows and performances adding up to over 60 hours’ worth of programming are taking place. More than 200,000 visitors and 1,000 RVs usually participate. It is held over four days in late-August and early September during the Labor Day Weekend. The festival started in 1988 by Jean Boileau and attracted about 50 000 visitors and about 50 balloons. Through