Armstrong Siddeley Serval Explained

The Armstrong Siddeley Serval was a British ten-cylinder aero engine developed by Armstrong Siddeley in the late 1920s. Following company tradition, the engine was named for the serval.

Design and development

The Serval was a ten-cylinder, double-row, air-cooled radial piston engine. It was developed from the Armstrong Siddeley Mongoose and was, more or less, two Mongooses built around a single crankcase. In fact, it first appeared as the Double Mongoose in May 1928.^[1]

Built in several variants, power output was about 340 hp (254 kW).

Variants

Serval I initially Double Mongoose

(1931) 340 hp.

Serval III

(1932)

Serval IIIB

(1932) 310 hp.

Serval IV

310 hp.

Serval V

(1933) 340 hp.

Applications

• Airco DH.9
• Armstrong Whitworth Atalanta
• BFW M.36
• Canadian Vickers Vancouver
• Fairey Fox
• ICAR Comercial
• Saro Cloud
• Stampe et Vertongen SV.5 Tornado

References

Bibliography

• Gunston, Bill. World Encyclopedia of Aero Engines. Cambridge, England. Patrick Stephens Limited, 1989.
• Lumsden, Alec. British Piston Engines and their Aircraft. Marlborough, Wiltshire: Airlife Publishing, 2003. .

Notes and References

1. Gunston 1989, p.17.

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