Sopwith Sociable

Sociable

Role  | Two-seat tractor biplane
National origin | United Kingdom
Manufacturer  | Sopwith Aviation Company
First flight  | 17 February 1914
Introduction  | 1914
Retired  | 1914
Primary user  | Royal Naval Air Service
Number built | 1

The Sopwith Sociable (or sometimes Churchill or Tweenie[1]) was a British single-engined two-seat tractor configuration biplane designed and built by Sopwith for the Royal Naval Air Service.[2]

## Contents

* 1 Design and development
* 2 Operational history
* 3 Operators
* 4 Specifications
* 5 See also
* 6 References
* 6.1 Notes
* 6.2 Bibliography

## Design and development

The Sociable, so called because the crew were seated side-by side rather than in tandem, was ordered by the British Admiralty for use as a training aircraft by the Royal Naval Air Service. It was two-bay biplane powered by a 100 hp (75 kW) Gnome Monosoupape radial.[2] The Sociable was given serial number 149 by the Admiralty and first flew from Brooklands on 17 February 1914.[2]

## Operational history

Two days after its first flight, the Sociable was delivered to Hendon on 19 February 1914.[2] The next day the First Lord of the Admiralty Winston Churchill flew in it as a passenger;[2] it afterwards gained the nickname the "Sopwith Churchill". It was based at Eastchurch when on 25 March 1914 it spun into the ground on take-off.[2]

Repaired by Sopwith it was delivered to No. 3 Squadron RNAS in Belgium in September 1914.[2] It was fitted with an additional fuel tank and a bomb rack and was used on an abortive attempt to bomb a German airship shed at Cologne on 22 September 1914.[2] It was transferred to No. 1 Squadron RNAS but broke an axle on take-off from Antwerp, damaging the landing gear and badly damaging the upper wing.[2] While awaiting repair at Antwerp it was abandoned following the advance of German troops.[2]

## Operators

United Kingdom

* Royal Naval Air Service

## Specifications

Data from Sopwith - The Man and His Aircraft[3]

General characteristics

* Crew: 2
* Length: 24 ft 3 in (7.39 m)
* Wingspan: 36 ft 0 in (10.97 m)
* Height: 9 ft 0 in (2.74 m)
* Empty weight: 960 lb (435 kg)
* Gross weight: 1,640 lb (744 kg)
* Fuel capacity: 25 imp gal (110 L)
* Powerplant: 1 × Gnome Monosoupape rotary engine, 100 hp (75 kW)
* Propellers: 2-bladed, 8 ft 6 in (2.59 m) diameter

Performance

* Maximum speed: 90 mph (140 km/h, 78 kn)
* Endurance: 3 hr

## See also

Related lists

* List of aircraft of the Royal Naval Air Service

## References

### Notes

1. ↑ Robertson 1970, p. 211.
2. ↑ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 Sturtivant and Page 1992, p. 39
3. ↑ Robertson 1970, pp. 234–235, 238–239.

### Bibliography

* Robertson, Bruce. Sopwith - The Man and His Aircraft. Letchworth, UK: Air Review, 1970. ISBN:0-900435-15-1.
* Ray Sturtivant and Gordon Page Royal Navy Aircraft Serials and Units 1911–1919 Air-Britain, 1992. ISBN:0-85130-191-6

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