Armstrong Siddeley Panther
1920s British piston aircraft engine
From Wikipedia, the free encyclopedia
The Armstrong Siddeley Panther was a 27-litre 14-cylinder twin-row air-cooled radial aero engine developed by Armstrong Siddeley. It was originally named the Jaguar Major.[1]
| Panther/Jaguar Major | |
|---|---|
| |
| Type | Radial engine |
| National origin | United Kingdom |
| Manufacturer | Armstrong Siddeley |
| First run | 1929 |
| Major applications | Fairey Gordon |
Variants
- AS Panther IIIA
- 500 hp (370 kW)
- AS Panther VII
- 638 hp (478 kW) at 2,400 rpm with 0.5 psi (3.5 kPa) boost
Applications
- Armstrong Whitworth Atlas (Mk II)
- Armstrong Whitworth A.W.XIV Starling MkII
- Armstrong Whitworth A.W.16
- Armstrong Whitworth A.W.35 Scimitar
- Fairey Gordon
- Fokker C.V
- Hawker Hoopoe
- Marinens Flyvebaatfabrikk M.F.11
- Supermarine Air Yacht
- Svenska Aero Jaktfalken (SA-14E)
- Westland Wapiti V (first prototype)
Specifications (Panther VII)
Data from [2]
General characteristics
- Type: 14-cylinder twin-row air-cooled radial engine
- Bore: 5.25 in (133.4 mm)
- Stroke: 5.5 in (139.7 mm)
- Displacement: 1,667 cu in (27.3 L)
- Length: 64 in (1.63 m)
- Diameter: 46.45 in (1.18 m)
- Dry weight: 1,047 lb (475 kg)
Components
- Valvetrain: Overhead valve
- Supercharger: Centrifugal
- Fuel system: Carburettor
- Cooling system: Air-cooled
Performance
- Power output: 638 hp (478 kW) at 2,400 rpm with 0.5 psi (3.5 kPa) boost
- Compression ratio: 5.1:1
- Power-to-weight ratio: 0.61 hp/lb (1.01 kW/kg)