Balloonomania their ballooning stunts, with Blanchard and his companion Dr. John Jeffries being the first to cross the English channel in a balloon on January 7, 1785. The public reaction among intellectuals and academics was generally cooler, with some critics of balloonomania including the likes of Sir Joseph Banks and Samuel Johnson, who wrote in a 1783 letter to Hester Thrale, who had inquired about the nature of hot air balloons, “Happy are you, Madam, that have ease and leisure to want intelligence of air balloons. Their existence is, I believe, indubitable, but I know not that they can possibly be
Rozière balloon Rozière balloon A Rozière balloon (or simply Rozière) is a type of hybrid balloon that has separate chambers for a non-heated lifting gas (such as hydrogen or helium) as well as for a heated lifting gas (as used in a hot air balloon or Montgolfière). The design was created by Jean-François Pilâtre de Rozier (1754–1785). A Rozière-type balloon has the advantage of partial control of buoyancy with much less use of fuel than a typical hot air balloon. This reduction of fuel consumption has allowed Rozière balloons and their crew to achieve very long flight times, as much as several