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
Duck Dodgers and the Return of the 24½th Century be a giant, hairy monster in sneakers, and the frightened Dodgers flees. Porky uses electronic clippers to literally haircut Gossamer into nothingness, and Dodgers, furious of his assistant's all-too-literal interpretations of his commands, repeatedly fires his gun at Porky. When Porky asks what Earth will do without the rack-and-pinion molecule Dodgers replies "Let them eat cake." • Mel Blanc as Daffy Duck (as Duck Dodgers), Porky Pig, Marvin the Martian, Gossamer and Dr. I.Q. Duck Dodgers and the Return of the 24½th Century Duck Dodgers and the Return of the 24½ Century is a 1980 cartoon starring Daffy Duck, Porky