The Wing is the thing...
The Helio was designed in the late 1940s by Dr. Otto Koppen of the Massachusetts Institute of Technology( MIT) and Dr. Lynn Bollinger from Harvard University. Their goal was to make a safe aircraft. The benefits of that aircraft was a an aircraft that could take off and land in the area the size of a tennis court. The Helio was eventually dubbed “the tennis court airplane. The design comprised the most known high-lift devices into one aircraft.
Those devices included:
Dr. Otto Koppen, designer of the Helio Courier talks about the concept and design of the aircraft.
The Helioplane with a chase car.