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Felixstowe F.3

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Felixstowe F.3
Felixstowe F.3, Canada 1920
General information
TypeMilitary flying boat
National originUnited Kingdom
ManufacturerShort Brothers
Dick, Kerr & Co.
Phoenix Dynamo Manufacturing Company
Malta Dockyard (23)
Canadian Vickers
Designer
Primary usersRoyal Naval Air Service
Number built182
History
Introduction dateFebruary 1918
First flightFebruary 1917
Developed fromFelixstowe F.2
VariantsFelixstowe F.5
Felixstowe F5L

TheFelixstowe F.3 was a BritishFirst World Warflying boat, successor to theFelixstowe F.2 designed byLieutenant CommanderJohn Cyril PorteRN at thenaval air station,Felixstowe.

Design and development

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In February 1917, the first prototype of the Felixstowe F.3 was flown. This was a larger and heavier development of theFelixstowe F.2A, powered by two 320 hp (239 kW)Sunbeam Cossack engines.[1] Large orders followed, with the production aircraft powered byRolls-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 theDockyard Constructional Unit at Malta.[2]

Operational history

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The larger F.3, which was less popular with its crews than the more maneuverable F.2A, served in theMediterranean as well as theNorth Sea.

In 1920, theCanadian 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 fromRivière du Loup toWinnipeg was flown by Lieutenant ColonelLeckie and MajorHobbs in a Felixstowe F.3. Six F.3s served with the Canadian Air Force/Air Board between 1921 and 1923.[3]

On the 22 March 1921, a Felixstowe F.3 flying boat of thePortuguese Naval Aviation – crewed by the naval aviatorsSacadura Cabral and Ortins de Bettencourt, naval navigatorGago Coutinho and aviation mechanic Roger Soubiran – performed the first flight betweenMainland Portugal andMadeira.

Variants

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Short F.3 Air Yacht (G-EAQT), on theMedway, 11 June 1920, before shipment to Australia.[4][5]
Felixstowe F-III
Canadian Vickers Felixstowe F.3 built for a transatlantic attempt.
Short F.3 Air Yacht
G-EAQT (ex N4019) and G-EBDQ (ex N4177) placed on the civil register and converted for private use. G-EAQT fitted byShort Brothers, including three lounges upholstered in green and grey for ten passengers.[5]

Operators

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 Australia
  • The Aerial Company Ltd - G-EAQT (ex N4019) damaged in transit from the UK[5]
  • Aviation Ltd - two proposed for commercial use, carrying six passengers or aton (2,240 lb) offreight between the mainland andTasmania[5]
 Canada
 Portugal
 Spain
Felixstowe F.3 resting on the slipway atKalafrana,Malta, c.1918. F.3s were operating throughout the Mediterranean by the end of the war.
 United Kingdom
 United States

Specifications (F.3)

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RNAS Felixstowe F.3 general arrangement drawing showing interior details.

Data from British Naval Aircraft since 1912[6]

General characteristics

  • 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

Performance

  • 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)

Armament

  • Guns: 4 ×Lewis guns (one in the nose, three amidships)
  • Bombs: Up to 920 lb (420 kg) of bombs beneath wings

See also

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Related development

References

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  1. ^Bruce 16 December 1955, p.897.
  2. ^Thetford 1978, p.197.
  3. ^John A Griffin fonds, 1 Canadian Air Division Heritage Office
  4. ^"A Converted F5 Flying Boat".Flight. Vol. XVI, no. 799. 17 April 1924. pp. 219–220 – via Internet Archive.
  5. ^abcdEyre, David C. (19 May 2019)."Felixstowe F.3".Aeropedia. Aeropedia. Retrieved31 August 2023.
  6. ^Thetford 1978, p.198.
  7. ^Ransom and Fairclough, S and R (1987)."English Electric Aircraft and their Predecessors".Their Fighting Machines. Putnam. Retrieved7 January 2017.

Further reading

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External links

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