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the first known application of ailerons hinged to the rear spars to form part of the wing when in flight.
    He continued his experiments, later moving operations to College Park flying field, where he formed the Christmas Aeroplane Company. There he built other planes prior to World War I. Christmas applied for a patent on his aileron control and after many competitive conflicting claims involving control systems he finally received a basic U.S. Patent on the aileron in May, 1914.
    In April, 1912 the Christmas Aeroplane Company exhibited a new large 40-foot span headless pusher biplane at the New York Aero Show held in Grand Central Palace. It had swept back wings, was designed to carry three people and had a Farman-type four-wheel landing gear. The show model was powered by a 7-cylinder 50 H.P. Gyro rotary motor, but the plane was later flown at Mineola, Long Island with a 6-cylinder 75 H.P. Roberts engine. There the plane was flown some by both Christmas and C.C. Hadley.
    Reportedly Christmas did more flying at College Park in 1913 and had given up his medical practice to devote full time to aviation.
    As World War I was approaching Christmas moved to New York where he joined a group of wealthy business men to promote aviation ventures, and he became somewhat of an advisory head of the organization. One of their moves was to purchase the Continental Aircraft Corporation from the owner, Louis L. Kaess. Continental had built and flown a dual-control pusher biplane with a Hall-Scott engine which was designed as a military trainer. The plane had been engineered by the well-known late Early Bird Vincent Burnelli. Shortly after the purchase Christmas stopped further development of the Continental pusher and closed out the project.
    Christmas had great plans for a new plane he was planning to call the "Bullet" and which would be years ahead of everything in the aero world. Burnelli was not in accord but finally agreed to go ahead with the design. The company name was changed to the Cantilever Aero Company with an office at 1269 Broadway. Christmas headed up the venture with Alfred McCurry as General Manager and Treasurer.
    The Christmas Bullet was a small strut less tractor biplane with full cantilever wings, with the upper wing 28-foot span, the lower 12 feet. The wings were

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