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|Felixstowe F.3, Canada 1920|
|Role||Military flying boat|
|National origin||United Kingdom|
Dick, Kerr & Co.
Phoenix Dynamo Manufacturing Company
Malta Dockyard (23)
|Designer||John Cyril Porte|
|First flight||February 1917|
|Primary users||Royal Naval Air Service|
Royal Air Force
United States Navy
|Developed from||Felixstowe F.2|
Design and development
In February 1917, the first prototype of the Felixstowe F.3 was flown. This was a larger and heavier development of the Felixstowe F.2A, powered by two 320 hp (239 kW) Sunbeam Cossack engines. Large orders followed, with the production aircraft powered by Rolls-Royce Eagles. The F.3's larger size gave it greater range and a heavier bombload than the F2, but poorer speed and agility. Approximately 100 Felixstowe F.3s were produced before the end of the war, including 18 built by the Dockyard Constructional Unit at Malta.
In 1920, the Canadian Air Board sponsored a project to conduct the first-ever Trans-Canada flight to determine the feasibility of such flights for future air mail and passenger service. The leg from Rivière du Loup to Winnipeg was flown by Lieutenant Colonel Leckie and Major Hobbs in a Felixstowe F.3.
On the 22 March 1921, a Felixtowe F.3 flying boat of the Portuguese Naval Aviation – crewed by the naval aviators Sacadura Cabral and Ortins de Bettencourt, naval navigator Gago Coutinho and aviation mechanic Roger Soubiran – performed the first flight between Mainland Portugal and Madeira.
- Royal Naval Air Service
- Royal Air Force
Data from British Naval Aircraft since 1912 
- Crew: four
- Length: 49 ft 2 in (14.99 m)
- Wingspan: 102 ft 0 in (31.09 m)
- Height: 18 ft 8 in (5.69 m)
- Wing area: 1,432 sq ft (133.03 m2)
- Empty weight: 7,958 lb (3,610 kg)
- Gross weight: 12,235 lb (5,550 kg)
- Powerplant: 2 × Rolls-Royce Eagle VIII V12 inline piston, 345 hp (257 kW) each
- Maximum speed: 91 mph (147 km/h, 79 kn) at 2,000 ft (610 m)
- Endurance: Six hours
- Service ceiling: 8,000 ft (2,438 m)
- Time to altitude: 5 min 15 s to 2,000 ft (610 m); 24 min to 6,500 ft (2,000 m)
- Wing loading: 8.54 lb/sq ft (41.8 kg/m2)
- Power/mass: 0.056 hp/lb (0.092 kW/kg)
- Guns: 4 × Lewis guns (one in the nose, three amidships)
- Bombs: Up to 920 lb (420 kg) of bombs beneath wings
- Canadian Vickers – Felixstowe F-III built for transatlantic attempt
- Bruce 16 December 1955, p.897.
- Ransom and Fairclough, S and R (1987). "English Electric Aircraft and their Predecessors". Their Fighting Machines. Putnam. Retrieved 7 January 2017.
- J.M., Bruce (2 December 1955), "The Felixstowe Flying-Boats (Historic Military Aircraft No. 11 Part 1)", Flight, pp. 842–846, archived from the original on 7 November 2018
- J.M., Bruce (16 December 1955), "The Felixstowe Flying-Boats (Historic Military Aircraft No. 11 Part 2)", Flight, pp. 895–898, archived from the original on 3 August 2016
- J.M., Bruce (23 December 1955), "The Felixstowe Flying-Boats (Historic Military Aircraft No. 11 Part 3)", Flight, vol. 68 no. 2448, pp. 929–932, archived from the original on 5 March 2016
- Thetford, Owen. British Naval Aircraft since 1912. London: Putnam, Fourth edition, 1978. ISBN 0-370-30021-1.
|Wikimedia Commons has media related to Felixstowe F.3.|
- The First Trans-Canada Flight: Photographs including the Felixstowe F.3 flown by Leckie and Hobbs during October 1920 and their stop in Selkirk, Manitoba.
- Fire Fighting with Aeroplanes: Film showing the use of flying boats, including a Felixstowe F.3 (G-CYBT) and seaplanes to help prevent forest fires in Algonquin Provincial Park, Ontario, Canada, c.1922.
- In the Wake of Captain Cook: Canadian Government Motion Picture Bureau film of a visit by F.3 flying boat (G-CYDI) to Nootka Sound on Vancouver Island, Canada, c.1922.
- Felixstowe Flying-Boats