Tag Archives: Doctor John Jeffries

7 January 1785

Aviation, , , , , , ,
Balloon Leaving Dover, Jean-Pierre François Blanchard and Dr. John Jeffries depart Dover, 7 January 1785, by E.W. Cocks, oil on canvas, ca. 1840 (Science Museum, London)
Balloon Leaving Dover, Jean-Pierre François Blanchard and Dr. John Jeffries depart Dover, 7 January 1785, by E.W. Cocks, oil on canvas, ca. 1840 (Science Museum, London)

7 January 1785: On a clear, calm day, Jean-Pierre François Blanchard and Doctor John Jeffries flew across the English Channel in a hydrogen-filled balloon. They lifted off from Dover Castle, Kent, England at about 1:00 p.m. The journey to Guînes, Pas-de-Calais, France, took about two and a half hours.

The balloon was approximately 8.2 meters (27 feet) in diameter. A gondola was suspended beneath the gas envelope, equipped with oar-like devices that were intended to steer and propel the light-than-air craft.

With sufficient buoyancy to just lift the two aeronauts and their equipment, the Channel crossing was made at a very low altitude. During the flight, all ballast, their equipment and most of their clothing were jettisoned. They crossed the French coast at about 3:00 p.m. and at 3:30, came to rest in a clearing in the Felmores Forest, near Guînes.

Balloon Arriving at Calais, by E.W. Cocks, oil on canvas, ca. 1840 (Science Museum, London)
Balloon Arriving at Calais, by E.W. Cocks, oil on canvas, ca. 1840 (Science Museum, London)

© 2017, Bryan R. Swopes