Rolls-Royce Merlin Spitfire vs Rolls-Royce Griffon Spitfire " Which Sounds the Best? "

The Merlin engine has a sweet engine note very iconic, the Griffon engine really sounds of awesome power. While both are iconic V-12 liquid-cooled engines, the *Griffon* was essentially a more powerful, larger-capacity successor to the **Merlin**, designed to meet the demands of heavier, faster aircraft late in World War II. Major Distinctions *Size vs. Capacity**: Despite having a **36% larger capacity**, the Griffon’s frontal area was only about **6% larger* than the Merlin's. This allowed it to be retrofitted into Spitfire airframes with relatively minor modifications. *Opposite Rotation**: The Griffon's crankshaft and propeller rotated in the **opposite direction* to the Merlin's. Pilots transitioning from Merlin-powered Spitfires had to apply *left rudder* instead of the usual right rudder during takeoff to counteract the torque. **Design Improvements**: *Internal Plumbing**: The Griffon moved away from the Merlin's extensive external oil lines, using **internal oil galleries* and a hollow crankshaft for more efficient lubrication. *Accessory Drives**: The camshaft and magneto drives were moved to the **front of the engine* (propeller reduction gears) on the Griffon, whereas the Merlin drove them from the rear. *Performance Profile**: The Merlin was known for a "sweet" iconic note and high efficiency at various altitudes. The Griffon offered significantly **more torque* and low-altitude power, making it ideal for naval aircraft and late-war interceptors.