Armstrong Siddeley Leopard
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| Leopard | |
|---|---|
 | |
| Type | Radial engine |
| National origin | United Kingdom |
| Manufacturer | Armstrong Siddeley |
| 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.[1]
- 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.