Supermarine Swan

Swan

Prototype (N175) with landing gear at Woolston, Southampton.
Role  | Maritime Reconnaissance/Passenger Flying boat
National origin | United Kingdom
Manufacturer  | Supermarine
Designer  | R. J. Mitchell
First flight  | 25 March 1924
Introduction  | 1926
Retired  | 1927
Primary users  | Imperial Airways
Marine Aircraft Experimental Establishment
Number built | 1
Variants  | Supermarine Southampton

The Supermarine Swan was a 1920s British experimental amphibian aircraft built by Supermarine at Woolston, Southampton. The single aircraft that was built was used for a passenger service between England and France.

## Contents

* 1 Design and development
* 2 Operators
* 3 Specifications
* 4 See also
* 5 References
* 6 Sources
* 7 Further reading

## Design and development

The Supermarine Swan was designed by R. J. Mitchell, chief designer at Supermarine as an experimental wooden biplane amphibian aircraft, in parallel with the Supermarine Scylla design for a replacement for the Royal Air Force 's Felixstowe F5s.[1]

First flown on 25 March 1924 (as serial N175), the Swan was powered by two 350 hp (261 kW) Rolls-Royce Eagle IX engines. It was re-engined with two 450 hp (336 kW) Napier Lion engines and had the landing gear removed for evaluation at the Marine Aircraft Experimental Establishment in August 1924. In 1926, it was registered G-EBJY and loaned to Imperial Airways as a flying boat with accommodation for 10 passengers. It was scrapped in 1927.

## Operators

United Kingdom

* Marine Aircraft Experimental Establishment
* Imperial Airways

## Specifications

Data from [2] [3]

General characteristics

* Crew: 2
* Capacity: 10 passengers, or 1352 kg (2982 lbs.) of cargo
* Length: 14.78 m (48 ft 6 in)
* Wingspan: 20.93 m (68 ft 8 in)
* Height: 5.57 m (18 ft 3 in)
* Wing area: 117.6 m2 (1,266 sq ft)
* Empty weight: 4,588 kg (10,114 lb)
* Gross weight: 6,219 kg (13,710 lb)
* Powerplant: 2 × Napier Lion IIB inline piston, 336 kW (451 hp) each

Performance

* Maximum speed: 175 km/h (109 mph, 94 kn)
* Cruise speed: 148 km/h (92 mph, 80 kn)
* Stall speed: 72 km/h (45 mph, 39 kn)
* Range: 480 km (300 mi, 260 nmi)
* Service ceiling: 3,110 m (10,200 ft)
* Rate of climb: 2.6 m/s (510 ft/min)
* Wing loading: 52.6 kg/m2 (10.78 lb/sq ft)

## See also

Related development

* Supermarine Scylla
* Supermarine Southampton

Aircraft of comparable role, configuration and era

* Felixstowe F.5
* English Electric Kingston
* Hiro H1H
* Naval Aircraft Factory PN

Related lists

* List of flying boats and floatplanes

## References

1. ↑ Andrews & Morgan 1981, p. 87.
2. ↑ Andrews & Morgan 1981, p. 95.
3. ↑ Simmonds 1926, pp. 180–182.

## Sources

* Andrews, Charles Ferdinand; Morgan, Eric B. (1981). Supermarine Aircraft since 1914. London: Putnam. ISBN 978-03701-0-018-0. https://books.google.com/books?id=p3NTAAAAMAAJ.
* Simmonds, O.E. (25 March 1926). "Development of Civil Aircraft". Flight XVIII (12): 180–182. https://www.flightglobal.com/pdfarchive/view/1926/1926 - 0213.html. Retrieved 21 December 2016.

## Further reading

* Jackson, A. J. (1974). British Civil Aircraft 1919-1972. 3 (2nd ed.). London: Putnam. ISBN 978-0-370-10014-2.

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