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Curtiss Model K

The Curtiss Model K, also known as the Model 4, was an American single-engined flying boat of World War I. It was an enlarged derivative of Curtiss's Model F and about 50 were built for export to the Imperial Russian Navy.

Model K
Role Flying boat
National origin United States of America
Manufacturer Curtiss
First flight January 1915
Primary user Imperial Russian Navy
Number built at least 51
Developed from Curtiss Model F

Design and development edit

In 1914, the Curtiss Aeroplane Company developed its Model K, an enlarged development of its successful Model F flying boat. It was a three-bay biplane powered by a 150 hp (112 kW) Curtiss V-X engine mounted in a pusher configuration between the wings. Unlike the Model F, its wings were staggered and slightly swept, while its ailerons were mounted on the upper wing instead of between the wings.[1][2]

The first flight of the Model K was delayed by problems with its engine until January 1915, with it being claimed that the aircraft was the largest single-engined flying boat in the world at the time.[2]

Operational history edit

While the Model K did not attract orders from home,[3] attempts to export it were more successful, resulting in an order for at least 51 aircraft in both flying boat and landplane versions from the Imperial Russian Navy in 1914.[4][N 1] The crated aircraft were shipped via Vancouver and Vladivostok, resulting in serious delays in the aircraft being reassembled, such that many of them were unseaworthy due to their hulls having cracked.[3][5]

Operators edit

  Russian Empire

Specifications edit

Data from Curtiss Aircraft 1907–1947[3]

General characteristics

  • Crew: three
  • Length: 31 ft 5 in (9.58 m)
  • Wingspan: 55 ft 10 in (17.01 m)
  • Wing area: 592 sq ft (55.0 m2)
  • Empty weight: 2,700 lb (1,225 kg)
  • Gross weight: 3,900 lb (1,769 kg)
  • Powerplant: 1 × Curtiss V-X , 150 hp (110 kW)

Performance

  • Maximum speed: 70 mph (110 km/h, 61 kn)
  • Range: 364 mi (586 km, 316 nmi)
  • Rate of climb: 150 ft/min (0.76 m/s)

References edit

Notes edit

  1. ^ Johnson states that the order, for 54 aircraft was placed in late 1915, with deliveries starting in 1916.[2]

Citations edit

  1. ^ Bowers 1979, p. 106.
  2. ^ a b c Johnson 2009, p. 38.
  3. ^ a b c Bowers 1979, p. 107.
  4. ^ "Curtiss K through Z". Aerofiles. 24 January 2009. Retrieved 5 March 2011.
  5. ^ Johnson 2009, pp. 38–39.

Bibliography edit

  • Bowers, Peter M. Curtiss Aircraft 1907–1947. London: Putnam, 1979. ISBN 0-370-10029-8.
  • Johnson, E.R. American Flying Boats and Amphibious Aircraft: An Illustrated History. Jefferson, North Carolina, USA: McFarland & Company, 2009. ISBN 978-0-7864-3974-4.

curtiss, model, also, known, model, american, single, engined, flying, boat, world, enlarged, derivative, curtiss, model, about, were, built, export, imperial, russian, navy, model, role, flying, boat, national, origin, united, states, america, manufacturer, c. The Curtiss Model K also known as the Model 4 was an American single engined flying boat of World War I It was an enlarged derivative of Curtiss s Model F and about 50 were built for export to the Imperial Russian Navy Model K Role Flying boat National origin United States of America Manufacturer Curtiss First flight January 1915 Primary user Imperial Russian Navy Number built at least 51 Developed from Curtiss Model F Contents 1 Design and development 2 Operational history 3 Operators 4 Specifications 5 References 5 1 Notes 5 2 Citations 5 3 BibliographyDesign and development editIn 1914 the Curtiss Aeroplane Company developed its Model K an enlarged development of its successful Model F flying boat It was a three bay biplane powered by a 150 hp 112 kW Curtiss V X engine mounted in a pusher configuration between the wings Unlike the Model F its wings were staggered and slightly swept while its ailerons were mounted on the upper wing instead of between the wings 1 2 The first flight of the Model K was delayed by problems with its engine until January 1915 with it being claimed that the aircraft was the largest single engined flying boat in the world at the time 2 Operational history editWhile the Model K did not attract orders from home 3 attempts to export it were more successful resulting in an order for at least 51 aircraft in both flying boat and landplane versions from the Imperial Russian Navy in 1914 4 N 1 The crated aircraft were shipped via Vancouver and Vladivostok resulting in serious delays in the aircraft being reassembled such that many of them were unseaworthy due to their hulls having cracked 3 5 Operators edit nbsp Russian Empire Imperial Russian NavySpecifications editData from Curtiss Aircraft 1907 1947 3 General characteristicsCrew three Length 31 ft 5 in 9 58 m Wingspan 55 ft 10 in 17 01 m Wing area 592 sq ft 55 0 m2 Empty weight 2 700 lb 1 225 kg Gross weight 3 900 lb 1 769 kg Powerplant 1 Curtiss V X 150 hp 110 kW Performance Maximum speed 70 mph 110 km h 61 kn Range 364 mi 586 km 316 nmi Rate of climb 150 ft min 0 76 m s References edit nbsp Wikimedia Commons has media related to Curtiss Model K Notes edit Johnson states that the order for 54 aircraft was placed in late 1915 with deliveries starting in 1916 2 Citations edit Bowers 1979 p 106 a b c Johnson 2009 p 38 a b c Bowers 1979 p 107 Curtiss K through Z Aerofiles 24 January 2009 Retrieved 5 March 2011 Johnson 2009 pp 38 39 Bibliography edit Bowers Peter M Curtiss Aircraft 1907 1947 London Putnam 1979 ISBN 0 370 10029 8 Johnson E R American Flying Boats and Amphibious Aircraft An Illustrated History Jefferson North Carolina USA McFarland amp Company 2009 ISBN 978 0 7864 3974 4 Retrieved from https en wikipedia org w index php title Curtiss Model K amp oldid 1122946715, wikipedia, wiki, book, books, library,

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