Fokker F.11
| F-11 or B.IV | |
|---|---|
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|
| Role | transport flying boat |
| Manufacturer | Fokker Aircraft Corporation of America |
| Designer | Alfred Gassner |
| First flight | 1928 |
| Number built | 6 |
The Fokker F-11 was a luxury flying boat produced as an 'air yacht' in the United States in the late 1920s. Technically the aircraft was the Fokker Aircraft Corporation of America's Model 9. It was sold in North America as the Fokker F-11 and was offered in Europe as the Fokker F.XI. By the time the first six aircraft had been constructed, it was already evident that the design was not going to sell well. A few were sold, two to notable multi-millionaires; Harold Vanderbilt and Garfield Wood each purchasing one. One was bought by Air Ferries in San Francisco. The F-11A cost $40,000 but the price was slashed to $32,500 as the depression set in during 1930. The F-11 was a commercial failure.
In 1922 Fokker designed the B.I flying boat, one of which was delivered to the Dutch Navy. The design was updated in 1926 as the Fokker B.III, which the Dutch Navy refused to purchase. The B.III was rebuilt as a civilian passenger plane, the B.IIIc. When that airplane failed to sell Anthony Fokker had it sent to his American subsidiary, Fokker Aircraft Corporation of America. The intent was to use the b.IIIc as a pattern for an amphibious biplane to be manufactured in the USA. The B.IIIc eventually did sell. When Harold Vanderblt's custom-built Kirkham Air Yacht was destroyed in a hangar fire he quickly needed a new air yacht, so he purchased the B.IIIc which was replaced by the protype F-11 when it became available.
Fokker Aircraft Corporation of America decided to redesign the aircraft extensively and convert it to monoplane configuration by mating a redesigned fuselage to the wings of the Fokker Universal. That decision required Fokker Aircraft Corporation of America Chief Engineer Albert Gassner to create a new aircraft. Both the fuselage and the wing were so extensively redesigned that they no longer bore much resemblance to their B.III and Fokker Universal origins. The production F-11A had a high mounted Fokker F.14 wing. The pusher engine nacelle with a 525 horse power Pratt & Whitney Wasp was strut mounted atop the wing. The prototype F-11, which first flew in 1928, was an amphibian with a retractable combination sponson/landing gear. It was the only F-11 Amphibian so equipped. The prototype was converted into a flying boat with wing mounted floats like the F.11As. The production machine was the F-11A which had the F-14s wooden wing and a 525 hp Wright R-1750D Cyclone engine. Because Fokker Aircraft Corporation of America lacked the facilities to produce the duralumin fuselages, Fokker America arranged to have the hulls constructed in the Netherlands. Initially 20 were ordered but only 6 were completed and delivered to North America.
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