A | B | C | D | E | F | G | H | CH | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
Hyena | |
---|---|
Type | Radial engine |
Manufacturer | Armstrong Siddeley |
First run | 1933 |
Major applications | Armstrong Whitworth A.W.16 |
The Armstrong Siddeley Hyena was a British aero engine developed by Armstrong Siddeley. Designed in the 1930s, it was an unusual experimental radial engine with inline cylinder banks.[1] It was flown using an Armstrong Whitworth A.W.16 fighter aircraft as a test bed. Unresolved problems with cooling of the rear cylinders prevented the engine from going into production.[2] Few details of this engine survive as company records were lost.[3]
Armstrong Siddeley in-line radial engines
The Hyena arrangement of cylinder banks arranged as a radial engine was continued with further designs, but with little commercial success, with only the Deerhound and Hyena being built.
- Hyena
- 15 cylinders (5 banks of 3 cyl.)
- Terrier
- 14 cylinders (7 banks of 2 cyl.)
- Deerhound
- 21 cylinders (7 banks of 3 cyl.)
- Wolfhound
- 28 cylinders (7 banks of 4 cyl.)
- Boarhound
- 24 cylinders (6 banks of 4 cyl.)
- Mastiff
- 36 cylinders (9 banks of 4 cyl.)
Specifications (Hyena)
Data from Lumsden.[3]
General characteristics
- Type: 15-cylinder 3-row radial engine with inline banks.[1]
- Bore: 5.3 in (137 mm)
- Stroke: 4.88 in (125 mm)
- Displacement: 1,615.58 cu in (26.6 L)
Components
- Valvetrain: Overhead poppet valves
- Supercharger: Medium supercharged
- Fuel type: 77 Octane petrol
- Cooling system: Air-cooled
- Reduction gear: Epicyclic geared, left hand tractor
Performance
- Power output: 618 hp at 2,000 rpm at sea level
See also
Comparable engines
- Armstrong Siddeley Deerhound
- BMW 803
- Curtiss H-1640
- Daimler-Benz DB 604
- Dobrynin VD-4K
- Junkers Jumo 222
- Lycoming R-7755
- Wright R-2160 Tornado
Related lists
References
Notes
Bibliography
- Lumsden, Alec. British Piston Engines and their Aircraft. Marlborough, Wiltshire: Airlife Publishing, 2003. ISBN 1-85310-294-6.
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