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Concept
ERCO Ercoupe
Summary
The ERCO Ercoupe is an American low-wing monoplane aircraft that was first flown in 1937. It was originally manufactured by the Engineering and Research Corporation (ERCO) shortly before World War II; several other manufacturers continued its production after the war. The final model, the Mooney M-10, first flew in 1968 and the last model year was 1970. It was designed to be the safest fixed-wing aircraft that aerospace engineering could provide at the time, and the type continues to enjoy a faithful following.
In 1931, aeronautical engineer Fred Weick was assistant chief of the aeronautics division of the National Advisory Committee for Aeronautics (NACA). In 1934 he asked permission to build an aircraft based on the 1931 Stout Skycar, using fabric instead of aluminum covering, and control modifications based on NACA research. Weick and a group of co-workers designed and assembled the experimental aircraft with a group of his colleagues who worked on the project in their spare time and paid for it themselves. The resulting aircraft, known as the W-1, featured tricycle landing gear, a parasol wing, and a pusher propeller configuration.
Fred Weick listed the W1 design goals that were tested in later seminars:
Tricycle landing gear with castering nosewheel, steerable if desired
Suitable longitudinal and lateral stability with limited up-elevator deflection, to prevent loss of control due to stalling and spinning.
A glide-control flap
Two-control operation using controls for pitch and roll.
In 1934, the Bureau of Air Commerce approached Weick's team looking for standards for a competition for a safe and practical $700 aircraft. In 1936 the winner of the competition was the Stearman-Hammond Y-1, incorporating many of the safety features of the W-1. Two other winners were the Waterman Aeroplane and a roadable autogyro, the Autogiro Company of America AC-35. The W-1 was not intended for production to qualify as a competitor, but was purchased by the Bureau for continued experimental tests in spin-control safety.
Official source
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