V1650s
V1650s are a family of V-12, liquid-cooled aircraft engines produced in the United States under license from Rolls-Royce for use in Allied aircraft during World War II. The designation reflects a displacement of approximately 1,650 cubic inches (about 27 liters). The engines are derived from the Rolls-Royce Merlin design and were manufactured by Packard, with US-built variants serving as the American counterpart to the British engine.
The V-1650s were produced as a license-built version of the Merlin, sharing its basic configuration, two overhead
Common variants included the V-1650-1, -3, -7, and -9 series, each adapted for specific missions and aircraft.
V-1650 engines powered a number of Allied types during the war, most famously the P-51 Mustang in
With the end of World War II, the V-1650 family was supplanted by more modern designs, but