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Rolls-Royce Merlin 61

1942, Stratosphere Chamber, On long term display

The famous Rolls-Royce Merlin piston engine was developed as a private venture by Rolls-Royce (the PV.12) and first flew on a Hawker Hart in February 1935. Early versions powered the maiden flights of the prototype Hawker Hurricane made from Brooklands by ‘George’ Bulman on 5th November 1935 and of the Supermarine Spitfire in 1936.

Merlins were fitted to many World War Two allied aircraft including the Brooklands-built Hawker Hurricane fighter and Vickers Wellington MkII and MkVI bomber aircraft. The Merlin Mk61 was fitted to the Supermarine Spitfire MkIX fighters and MkXI photo reconnaissance aircraft.

Loaned by the Rolls-Royce Heritage Trust


Type: Upright 60˚ V-12

Cylinders: 12

Power: 1,280bhp (954 kW)

Size: 1,637 in3 (27 L)

Bore: 5.4 in (137 mm)

Stroke: 6 in (152 mm)