de Havilland Gipsy Queen 30

Engine overview:

The non-supercharged Gipsy Queen 30 engine was produced specifically for the four engine DH114 Heron.

Engine specifications:

Number of Cylinders: 6

Bore: 120 mm

Stroke: 150 mm

Capacity: 10.18 litres

Maximum Brake Horsepower (BHP): 240

First engine delivered: April 1947

Number built: 1,740