Supermarine S.4

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Supermarine S.4
Type	Racing Seaplane
Manufacturer	Supermarine
Designed by	Reginald Mitchell
Maiden flight	1925
Retired	1925
Status	Destroyed
Number built	1

The Supermarine S.4 was a 1920s British single-engined single-seat racing seaplane built by Supermarine.

Contents 1 History 2 Specifications 3 Reference 4 External links 5 Related content

[edit] History

The Supermarine S.4 was designed by R. J. Mitchell for the 1925 Schneider Trophy. Built by Supermarine at Woolston the S.4 was a wooden racer powered by one 680hp Napier Lion VII engine. Registered G-EBLP, it first flew in September 1925. On the 13 September 1925 at Southampton Water it raised the world's seaplane speed record to 226.752 mph.

It was shipped to the United States of America for the 1925 race. During trials at Bay Shore Park, Baltimore, piloted by H C Biard it sideslipped into the water from 200ft and was wrecked.

[edit] Specifications

General characteristics

• Crew: 1
• Length: 26 ft 3 in ()
• Wingspan: 30 ft 6in ()
• Height: ()
• Max takeoff weight: 3,150 lb ()
• Powerplant: 1× Napier Lion VII , 700 hp (522 kW)

Performance

• Maximum speed: 239 mph

[edit] Reference

• The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985). Orbis Publishing. 
• Jackson, A.J. (1974). British Civil Aircraft since 1919. London: Putnam. ISBN 0 370 10014 X. 

[edit] External links

[edit] Related content

 

 

 

 

See also

Schneider Trophy