![]() The Stearman Aircraft Company was founded by Lloyd Stearman at Venice, California, in 1927 and then re-organized a year later in Wichita, Kansas. However, for the most part, those airplanes were actually Boeing Model 75 Kaydets. Boeing Aircraft since 1916, Putnam Aeronautical Books, London, 1989, ISBN 0-87021-037-8, pp.When the name Stearman is mentioned in aviation circles, the first thought that comes to mind is of the popular World War II PT-13, PT-17 and N2S biplane military primary training planes that introduced thousands of military pilots to flying. Powerplant: 1 × Hall-Scott A-7A engine, 100 hp (74.6 kW).Boeing Model C-700 - Model 5 outfitted as mailplane.Boeing Model 5 - revised Model 3 for US Navy (50 built). ![]() EA landplane version for US Army (two built). Boeing Model 3 - version with revised cabane struts (three built).Boeing Model C-1F - Model 2 remanufactured with single pontoon.Boeing Model 2 - original design (one built).On MaBoeing and Eddie Hubbard flew the C-700 on the first international mail delivery, carrying 60 letters from Vancouver, British Columbia, Canada, to Seattle, Washington. The final Model C was built for William Boeing and was called the C-700 (the last Navy plane had been Navy serial number 699). ![]() The United States Navy bought 51 of the Model C trainers, including the Model C-1F, and the United States Army bought two landplane versions with side-by-side seating, designated the EA. The success of the Model C led to Boeing's first military contract in April 1917 and prompted both its reincorporation as the Boeing Airplane Company and relocation from Lake Union, Washington to a former shipyard on the Duwamish River, also in Washington. The Model C-1F had a single main pontoon and small auxiliary floats under each wing and was powered by a Curtiss OX-5 engine. A total of 56 Boeing "C-type" trainers were built 55 used twin pontoons. Wong Tsu, a MIT graduate who was hired by Boeing in May, 1916, also contributed to the design, specifically lending his expertise in analysis of wind tunnel data. Westervelt, who had been reassigned to the East Coast in December 1915, consulted heavily on the design. Much of the design work was performed by James Foley, who had previously assisted George Conrad Westervelt in designing the Boeing Model 1. Early design work was started in late 1915, with the first wind tunnel tests being conducted at MIT's 4 ft wind tunnel in May 1916. Pacific Aero-Products, the forerunner of the Boeing Company, built its first all-original airplane, the "Model C" naval trainer. The C-4 was dismantled after testing but was rebuilt and flown in August 1918. The tail services differed from the B&W and that the horizontal stabilizer was deleted and the vertical fin added. This was considered by the Boeing engineers as the most desirable characteristics for a training aeroplane. The wings had an unusual degree of stagger and dihedral angle compared to other aircraft of the period for the purpose of providing inherent stability. It was an entirely original design and differed considerably from the B&W both in basic aerodynamic characteristics and general appearance. ![]() It was the second Boeing design, even though the firm was still known as Pacific Aero Products at the time it was built, and carried Serial Number 3 because it was the third airplane built. “The Boeing Model 2 (C-4) was so named because it was the third airplane design used and the fourth aeroplane owned by Boeing, including the Martin seaplane. Boeing Model 2 Seaplane, photos, specifications and performance data
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