The Armstrong Siddeley Hyena was a British aero engine developed by Armstrong Siddeley. Designed in the 1930s, it was an unusual experimental radial engine...

Armstrong Siddeley was a British engineering group that operated during the first half of the 20th century. It was formed in 1919 and is best known for...

The Armstrong Siddeley Deerhound was a large aero engine developed by Armstrong Siddeley between 1935 and 1941. An increased capacity variant known as...

Genet Armstrong Siddeley Genet Major Armstrong Siddeley Hyena Armstrong Siddeley Jaguar Armstrong Siddeley Leopard Armstrong Siddeley Lynx Armstrong Siddeley...

Havilland Hyena, a prototype British army co-operation aircraft of the 1920s Armstrong Siddeley Hyena, a British aero engine developed by Armstrong Siddeley in...

The Armstrong Siddeley Jaguar is an aircraft engine developed by Armstrong Siddeley. The Jaguar was a petrol-fuelled air-cooled 14-cylinder two-row radial...

ratio: 1.59 kW/kg (0.97 hp/lb) Comparable engines Armstrong Siddeley Deerhound Armstrong Siddeley Hyena BMW 803 Dobrynin VD-4K Junkers Jumo 222 Lycoming...

Power-to-weight ratio: 0.82 hp/lb (1.35 kW/kg) Comparable engines Armstrong Siddeley Hyena Armstrong Siddeley Deerhound Dobrynin VD-4K Wright R-2160 Tornado Junkers...

ratio: 1.69 kW/kg (1.03 hp/lb) Comparable engines Armstrong Siddeley Deerhound Armstrong Siddeley Hyena BMW 803 Daimler-Benz DB 604 Dobrynin VD-4K Hitachi...

Compression ratio: 7:1 Comparable engines Napier Nomad Armstrong Siddeley Hyena Armstrong Siddeley Deerhound Lycoming R-7755 Daimler-Benz DB 604 Shvetsov...