Armstrong Siddeley Ounce Explained

The Armstrong Siddeley Ounce was a small two-cylinder aero engine developed by Armstrong Siddeley in 1920.^[1] The engine was originally conceived as a test piece but ran very well and was put into production for early ultralight aircraft and use in target drones. The Ounce used two cylinders from the preceding Jaguar I radial engine.

Applications

• Bristol Babe
• 1920 redesigns of the '1917 Type Aerial Target'

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. .

External links

• AS Ounce information and images at the Power House Museum, Sydney, Australia

Notes and References

1. Gunston 1989, p.18.