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
Penang Hot Air Balloon Fiesta Hot Air Balloon Fiesta, the first hot air balloon festival in the State of Penang, was mooted to boost tourist arrivals into the city-state. The inaugural event, held at the Polo Ground on 21 and 22 February 2015, was timed to coincide with the Chinese New Year festivities. Since then, the event has grown considerably. Several on-site family-friendly activities have been added into the two-day event, including workshops, photography contests and kite flying. Smaller-scale preludes to the yearly event have been organised as well, such as a mini balloon fiesta at the Esplanade and a balloon display in Butterworth on