Curtiss Wanamaker Triplane

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Curtiss T Wanamaker Triplane
Curtiss T Wanamaker Triplane2.jpg
RNAS Felixstowe, 1916
RolePatrol bomber flying-boat [1]
National originUnited States
Manufacturer Curtiss Aeroplane and Motor Company
First flight1916
Retired1916
Primary user Royal Naval Air Service
Number built1

The Wanamaker Triplane or Curtiss Model T, retroactively renamed Curtiss Model 3 was a large experimental four-engined triplane patrol flying boat of World War I. It was the first four-engined aircraft built in the United States. Only a single example (No.3073) was completed. [2] At the time, the Triplane was the largest seaplane in the world. [1]

Contents

Design and development

In 1915, the American businessman Rodman Wanamaker who, prior to the outbreak of the First World War commissioned the Curtiss Aeroplane and Motor Company to build a large flying boat, America to win the £10,000 prize put forward by the British newspaper Daily Mail for the first aircraft to cross the Atlantic, commissioned Curtiss to build a new, even larger flying boat for transatlantic flight that became known as the Wanamaker Triplane, or Curtiss Model T, (retroactively re-designated Model 3 when Curtiss changed its designation system). [1]

Partially constructed, 5 July 1916. Curtiss Model T partially constructed.jpg
Partially constructed, 5 July 1916.

Early press reports showed a large triplane, 68 ft (17.9 metres) and with equal-span six-bay wings of 133 foot (40.5 metre) span. The aircraft, to be capable of carrying heavy armament, was estimated to have an all-up weight of 21,450 pounds (9,750 kilogrammes) and was to be powered by six 140 hp 104 kW) engines driving three propellers, two of which were to be of tractor configuration and the third a pusher. [3]

The British Royal Naval Air Service (RNAS) placed an order for 20 Triplanes. The first one was completed at the Curtiss factory, Buffalo, New York in July 1916. [4] This was the first four-engined aircraft to be built in the United States and one of the largest aircraft in the world. [5]

Fitted with a Rolls-Royce engine at RNAS Felixstowe. Curtiss Model T partially constructed 2.jpg
Fitted with a Rolls-Royce engine at RNAS Felixstowe.

The finished Model T differed from the aircraft discussed in the press in various points. Size and weight were similar, with the upper wing having a span of 134 feet, but the other wings had different spans. It was planned to be powered by four tractor 250 hp (187 kW) Curtiss V-4 engines installed individually on the middle wing, which was unusual for the time.[ clarification needed ] The crew of two pilots and a flight engineer were provided with an enclosed cabin, similar to the Curtiss Model H. To reduce the forces a pilot would need to use on the controls, small windmills could be connected to the aileron cables by electrically operated clutches to act as a form of power assisted controls. [1]

As the planned Curtiss V-4 engines were not available when the prototype was completed, it was decided not to fly the aircraft in the United States, but to take it to England by ship. where it was reassembled at the naval air station Felixstowe. Initially it was fitted with four 240 hp (180 kW) Renault engines, but these were soon exchanged for four 250 hp Rolls-Royce Eagles.

As the aircraft was damaged beyond repair on the maiden flight it was considered unsuccessful, and the order for the remaining nineteen cancelled. [7] The Wanamaker Triplane did however, provide the inspiration for John Porte of the Seaplane Experimental Station to build a massive five-engined flying boat of similar layout, the Felixstowe Fury. [1] [8] [9]

Operators

Flag of the United Kingdom.svg  United Kingdom

Specifications (Renault engines)

Front elevation of the Model T with four Rolls-Royce engines, RNAS Felixstowe, 1916 Curtiss T Wanamaker Triplane3.jpg
Front elevation of the Model T with four Rolls-Royce engines, RNAS Felixstowe, 1916

Data from Curtiss Aircraft 1907–1947 [1] [5] [10]

General characteristics

Performance

See also

Related development

Aircraft of comparable role, configuration, and era

Related Research Articles

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Felixstowe F.2 Type of aircraft

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John Cyril Porte British aviator

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Curtiss Model H Type of aircraft

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White & Thompson No. 1 Seaplane Type of aircraft

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References

Notes

  1. 1 2 3 4 5 6 7 Bowers 1979, pp. 136–137.
  2. ↑ "Curtiss-Wanamaker Triplane". All-Aero. all-aero. Retrieved 19 October 2015.
  3. ↑ Flight 13 January 1916, pp. 43–44.
  4. ↑ Trimble, William (2013). "9 Challenges Old and New". Hero of the Air: Glenn Curtiss and the Birth of Naval Aviation. Naval Institute Press. ISBN   978-1612514116 . Retrieved 24 August 2015.
  5. 1 2 Curtiss: K through Z". Aerofiles. Retrieved 15 August 2010.
  6. ↑ "Felixstowe and Lowestoft Seaplanes 1914–1918". YouTube. 11 April 2009. Archived from the original on 2021-12-21. Retrieved 14 November 2016.
  7. ↑ Johnson, E. R. (2009). American Flying Boats and Amphibious Aircraft: An Illustrated History. McFarland. p. 302. ISBN   978-0786457083 . Retrieved 24 August 2015.
  8. ↑ Bruce 1955, pp. 929–930.
  9. ↑ Thetford 1978, p. 386.
  10. ↑ Flight "A Fighting Flying Boat". Flight. Retrieved 21 December 2016.
  11. 1 2 3 Owers, Colin (2017). "Curtiss Model T" (PDF). Cross & Cockade International: 48. Retrieved 6 November 2019.

Bibliography

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