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Blackburne Thrush


The Blackburne Thrush was a 1,500 cc three-cylinder radial aero-engine for light aircraft produced by Burney and Blackburne Limited. Burney and Blackburne were based at Bookham, Surrey, England and was a former motorcycle manufacturer.

First produced in 1926 the engine was based on an earlier 1924 design with improvements to allow use on light aircraft.

Blackburn Bluebird
Clarke Cheetah
Cranwell CLA.4
Parnall Pixie
Supermarine Sparrow
Vickers Vagabond
Westland Widgeon

Type: 3-cylinder air-cooled radial
Bore: 3.16 in (81 mm)
Stroke: 3.78 in (96.8 mm)
Displacement: 88.97 cu in (1.5 L)
Dry weight: 132 lb (60 kg)
Valvetrain: Overhead poppet valve
Cooling system: Air-cooled
Power output: 35 hp (26 kW)
Power-to-weight ratio: 0.26 hp/lb



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