Siddeley Ounce
| Ounce | |
|---|---|
_engine_RAE-O1058.jpg) |
|
| Type | Piston engine |
| National origin | United Kingdom |
| Manufacturer | Armstrong Siddeley |
| First run | 1920 |
The Armstrong Siddeley Ounce was a small two-cylinder aero engine developed by Armstrong Siddeley in 1920. 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.
Data from Lumsden.
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