Ed Yost own interests turned toward reviving the lost practice of manned hot-air ballooning. This technology had first been invented in France by in the late 18th century by pioneers led by the Montgolfier brothers, but under the Montgolfier system, the balloon's air was heated by a ground fire prior to the balloon being released. The inherent danger of this type of balloon flight led to the system being abandoned when hydrogen and later helium became available. One of Yost's key engineering insights was that a hot-air balloon could be made to carry its own fuel. The invention of relatively light burners
Hot air ballooning in Luxor Hot air ballooning in Luxor Hot air ballooning in Luxor is an aspect of the Egyptian tourist industry, tour companies offer rides in hot air balloons to tourists who enjoy magnificent views of ancient Thebes, the temple complexes of Karnak and Luxor, the Valley of the Kings and the Valley of the Queens. A series of hot air balloon accidents have called the industry's safety record into question. Companies began offering hot air balloon rides to tourists in Luxor in the early 1990s. The balloon rides are an important part of Egypt's tourism industry. Following a 2009 crash, balloon flights