Double Decker

Double Decker 

They based the design of their first full-size glider on the work of their recent predecessors: the Chanute-Herring "double-decker", a biplane hang glider which flew well in the 1896 experiments near Chicago; and aeronautical data on lift that Lilienthal had published.

Double Decker 

Double Decker 

Double Decker 

Double Decker 

Double Decker 

Double Decker 

Double Decker 

Double Decker 

Double Decker