Norman Thompson N.T.2B

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N.T.2B
Loitnant Naess - no-nb digifoto 20160223 00299 NB NS NM 08055.jpg
Norwegian N.T.2B with semi-enclosed cockpit at Oslo.
Role Flying boat trainer
Manufacturer Norman Thompson Flight Company
DesignerFrancis Percy Beadle
First flight1917
Introduction1917
Primary user Royal Naval Air Service
Developed from White and Thompson No. 3

The Norman Thompson N.T.2B was a British single-engined flying boat trainer of the First World War. A single-engined biplane, the N.T.2B was adopted as a standard flying boat trainer by the Royal Naval Air Service, training pilots for larger patrol flying boats such as the Felixstowe F.2.

Contents

Development and design

In late 1916, the Norman Thompson Flight Company, who had previously built 20 FBA Type B flying boat trainers, proposed to design and build a new trainer for pilots needed for large patrol flying boats such as the Curtiss Americas, Felixstowe F.2, and Norman Thompson's own N.T.4. The British Admiralty accepted the Norman Thompson proposal, and placed an order for 10 aircraft in November 1916 for the Royal Naval Air Service (RNAS). [1]

The resulting aircraft, designated N.T.2B, was a single-engined pusher biplane, with unequal span two-bay wings and powered by a 160 hp (119 kW) Beardmore 160 hp engine mounted between the wings driving a four-bladed propeller. The trainee pilot and instructor sat side by side in an enclosed cockpit, fitted with dual controls. [2]

While initial production was powered by the Beardmore, or by 150 hp (112 kW) Hispano-Suiza engines, later aircraft were fitted with a 200 hp (149 kW) Sunbeam Arab, which was mounted slightly to starboard of the centreline of the aircraft to overcome the greater torque of the more powerful engine. The Arab, however, proved unreliable, and the powerplant was changed again, to the 200 hp (149 kW) Hispano-Suiza 8 engine, which was mounted at an angle to overcome a similar torque problem as was observed with the Arab. [3]

The RNAS's (and after 1 April 1918, the Royal Air Force's) needs for the N.T.2B were beyond the capacity of Norman Thompson, so orders were placed with Supermarine and S. E. Saunders, [4] [5] as well as with the parent company. [a] At least 294 had been ordered by the end of the First World War, which brought about large scale cancellations. [3] [b]

Operational history

The first N.T.2B was delivered to the RNAS flying school at Calshot on 8 July 1917, [3] the type becoming the standard training flying boat of the RNAS and RAF until the end of the First World War, [6] although delivery delays caused by the engine problems caused a backlog in training flying boat pilots. [7] [8] Seventy-nine were on charge with the RAF on 31 October 1918. It operated at bases at Felixstowe and Lee-on-Solent as well as Calshot. [9]

Following the end of the war, N.T.2Bs were sold to the air forces of Estonia, Peru and Norway. [3] Civil N.T.2Bs were flown in Norway [10] and Canada, where one aircraft remained in use for forestry patrols until 1929. [11]

Operators

Flag of Canada (Pantone).svg  Canada
Flag of Estonia.svg  Estonia
Flag of Japan.svg  Japan
Flag of Norway.svg  Norway
Flag of Peru.svg  Peru
Flag of the United Kingdom.svg  United Kingdom

Specifications (N.T.2B - Arab engine)

Rear left quarter view. Norman Thompson N.T.2B (left rear).jpg
Rear left quarter view.

Data from British Aeroplanes 1914-18 [9]

General characteristics

Performance

See also

Related development

Aircraft of comparable role, configuration, and era

Related lists

Notes

Related Research Articles

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References

  1. London 1996, pp. 73–74.
  2. Bruce 1957, pp. 655–656.
  3. 1 2 3 4 5 London 1996, p. 74.
  4. Andrews and Morgan 1987, p. 354.
  5. London 1994, p. 74.
  6. Donald (1997), p. 695.
  7. Goodall 1995, pp. 60–61.
  8. London 2003, p. 33.
  9. 1 2 3 4 Bruce 1957, p. 657.
  10. "Civil Aircraft Register - Norway Archived 20 November 2008 at the Wayback Machine ". Golden Years of Aviation Archived 21 April 2009 at the Wayback Machine . Retrieved 7 February 2009.
  11. Jackson 1988, p. 344.
  12. Johnson, Robert Craig. "The White Falcons: the White Air Forces 1918-1920". Chandelle: A Journal of Aviation History, Volume 2 Number 2, October 1997. Worldatwar.net. Retrieved 7 February 2009.
  13. "ARAWASI TENZAN ○1/72 レジン製フルキット Norman Thompson NT2B". イエローサブマリン 秋葉原本店★MINT [スケールフロアコーナー]. Retrieved 13 January 2017.
  14. "BRITISH AIRCRAFT OF THE FIRST WORLD WAR". Imperial War Museums. IWM. 1919. Retrieved 15 December 2015. One of the two N.T.2B's sent to Peru in 1919 by Handley Page Ltd.
  15. Flight, 29 May 1919, p. 716.
  16. Flight, 10 July 1919, p. 926.
  17. Flight, 7 August 1919, p. 1068.

Sources

Air force section at the Imperial War Museum,
Crystal Palace; N.T.2B in the foreground. Collections of the Imperial War Museum Q31451.jpg
Air force section at the Imperial War Museum,
Crystal Palace; N.T.2B in the foreground.