Rolls-Royce Buzzard

From Wikipedia, the free encyclopedia

The Rolls-Royce Buzzard was a piston aero engine of 36.7 litres capacity generating about 600 kW (800 hp). It had 12 cylinders in a 'V' configuration of 6 inch bore and 6.6 inch stroke. It was manufactured in the 1920s, but only 100 were sold mostly for racing ¹. It was also referred to as the 'H' engine, which was developed into the Schneider Trophy engine the 'R'. It was developed by scaling-up the Kestrel in the ratio of 5:6².

[edit] Specifications (Buzzard)

General characteristics

Type: 12-cylinder liquid-cooled Vee aircraft piston engine
Bore: 6 in (152 mm)
Stroke: 6.6 in (165 mm)
Displacement: 2,240 in³ (36.7 L)

Components

Cooling system: Liquid-cooled

Performance

Power output: 800 hp (600 kW)
Specific power: 0.36 hp/in³ (16.3 kW/L)

[edit] Aircraft Uses

[edit] References

¹ Rolls Royce products
² Rolls-Royce Piston Aero Engines - A Designer Remembers by A. A. Rubbra. Rolls-Royce Heritage Trust. Historical Series no 16. ISBN 1-872922-00-7]