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Bellanca 28-70
The Bellanca 28-70 was a long-range air racer designed for James Fitzmaurice Irish pioneer aviator, who christened it ''Irish Swoop''. Although it was built in time for the 1934 MacRobertson Race from England to Australia, it was never destined to be a competitive long-distance racer but it was ultimately reborn as a high-speed bomber.
==Design and development==
In preparation for the upcoming 1934 MacRobertson Race from England to Australia, Col. James "Fitz" Fitzmaurice, former commanding officer of the Irish Free State Air Force travelled to the United States in spring 1934 to commission a long-distance air racing aircraft.〔Underwood 1975, p. 16.〕 After approaching Lockheed Aircraft and Northrop Aircraft companies, he sought out Giuseppe Mario Bellanca.〔Underwood 1975, p. 17.〕 Although he did not have a product to sell, Bellanca made a proposal to Fitzmaurice to build a "one-off" specialty aircraft for $30,000.00.〔
In May 1934, Fitzmaurice signed an agreement for a new aircraft called the Bellanca 28-70. Bellanca turned to a conventional wooden frame with cloth covering but the purposeful profile did not look like any of the previous company designs. Powered by a Pratt & Whitney 700 hp double-row "Wasp Jr.", the long streamlined fuselage merged a tandem cockpit area topped by an extended canopy into a low-wing monoplane configuration with retractable main landing gear. An unusual set of top and bottom wing braces were utilized. Designed for a fuel capacity of 400 gallons, in order to have long "legs," a total of 600 gallons of fuel were aboard, raising the gross weight to 8,350 lbs.〔Underwood 1975, p. 19.〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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