Rolls-Royce Merlin
Code: Merlin 66
4-Stroke
Confirmed
Key Specifications
Manufacturer
Rolls-Royce
(United Kingdom)
Family
Merlin Family
Displacement
27.0 L (1647.6 ci)
Power Output
1119 kW / 1501 hp 1500.6 hp / 1521.4 PS
Torque
1,350 Nm
995.7 lb-ft / 137.7 kpm
Configuration
V-12 12 Cylinders
Fuel Type
Aviation Gasoline
Induction
Supercharged
Unit Converter
Detailed Specifications
| Manufacturer | Rolls-Royce (United Kingdom) |
|---|---|
| Family | Merlin Family |
| Stroke Type | 4-stroke |
| Configuration | V-12 12 Cylinders |
| Displacement | 27,000.0 cc (1647.6 ci) |
| Bore × Stroke | 137.2 mm × 152.4 mm (5.4 in × 6 in) |
| Compression Ratio | 6.0:1 |
| Power Output | 1,119.0 kW (1500.6 hp / 1521.4 PS) |
| Torque | 1,350.0 Nm (995.7 lb-ft / 137.7 kpm) |
| Valvetrain | SOHC |
| Fuel System | Carburetor |
| Fuel Type | Aviation Gasoline |
| Induction | Supercharged |
| Cooling System | Liquid-cooled |
| Oil Capacity | 60.0 L (63.4 qt) |
| Weight | 744.0 kg (1640.2 lbs) |
| Production Years | 1933 - 1950 |
| Data Quality | Confirmed |
Applications
| Vehicle/Equipment | Manufacturer | Years | Notes |
|---|---|---|---|
| Hawker Hurricane | Hawker Aircraft | 1937 - 1944 | Workhorse of the RAF, accounted for 60% of Luftwaffe losses |
| Supermarine Spitfire | Supermarine | 1938 - 1948 | Iconic British fighter, backbone of RAF during Battle of Britain |
| North American P-51 Mustang | North American Aviation | 1942 - 1945 | Long-range escort fighter that changed air war |
| Avro Lancaster | Avro | 1942 - 1945 | Heavy bomber, carried the "Dambusters" bouncing bombs |
Documents
Historical Timeline
1933 - 1933
First Run
The Rolls-Royce PV-12 (later Merlin) runs for the first time at Derby.
1940 - 1940
Battle of Britain
Merlin-powered Hurricanes and Spitfires defeat the Luftwaffe, changing the course of WWII.
1942 - 1942
Packard License
Packard Motor Company begins building Merlins under license in the US, powering P-51 Mustangs.
2024
Living Legend
Merlins continue to run at air shows worldwide, their distinctive sound thrilling crowds.
Notes & Observations
Living Legend
Merlins continue to run at air shows worldwide, their distinctive sound thrilling crowds.
Added: 2026-02-26