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Armstrong Siddeley Leopard

1920s British piston aircraft engine

Field	Value
name	Leopard
image	ASLeopard.JPG
engine_type	Radial engine
manufacturer	Armstrong Siddeley
national_origin	United Kingdom
first_run	1927

The Armstrong Siddeley Leopard was a British 14-cylinder twin-row air-cooled radial aero engine developed in 1927 by Armstrong Siddeley. It was the most powerful radial engine in the world when introduced.

Variants

;Leopard I :700 hp, medium supercharged. Direct drive propeller. ;Leopard II :700 hp, geared epicyclic drive. ;Leopard III :800 hp, two-valve cylinder head, direct drive. ;Leopard IIIA :800 hp, geared epicyclic drive.

Applications

Blackburn Iris
Junkers Ju 52
Hawker Dantorp
Hawker Horsley

Specifications (Leopard I)

| and start a new, fully formatted line with -- |power/weight=0.47 hp/lb

References

Notes

Bibliography

Lumsden, Alec. British Piston Engines and their Aircraft. Marlborough, Wiltshire: Airlife Publishing, 2003. .
Mason, Francis K. Hawker Aircraft since 1920 (third ed.). London: Putnam, 1991. .
Smith, Herschel. Aircraft Piston Engines. New York, New York: McGraw-Hill, 1981. .

References

Smith 1981, p.112.
Single engine version only
Mason 1991, p. 140.
Mason 1991, p. 138.
Lumsden 2003, p.69.

Info: Wikipedia Source

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