Armstrong Siddeley Panther

Panther/Jaguar Major
Type	Radial engine
National origin	United Kingdom
Manufacturer	Armstrong Siddeley
First run	1929
Major applications	Fairey Gordon

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]

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)

References

Notes

^ Lumsden 2003, p.72.
^ Lumsden 2003, p.73.

Bibliography

Lumsden, Alec. British Piston Engines and their Aircraft. Marlborough, Wiltshire: Airlife Publishing, 2003. ISBN 1-85310-294-6.

[1] Lumsden 2003, p.72.

[2] Lumsden 2003, p.73.

[1]

[2]

Armstrong Siddeley Panther

Contents

Variants

Applications

Specifications (Panther VII)

General characteristics

Components

Performance

See also

References

Notes

Bibliography