During World War II, the U.S. government contracted with Packard to manufacture Rolls Royce’s Merlin engine for its aircraft. Vincent adapted the hand-built engine so it could be mass-produced ...

With its long-range capabilities, high speed, and powerful Packard Merlin engine, it gave the Allies complete air superiority over Nazi Germany. But what made it so special?

In turn this leads you to wonder how it must have felt, living on the English coast in 1944, as 700 of these behemoths roared ...

While Bristol and Napier arsed about with sleeve valve engines, RR spent its time developing the Merlin and the Griffon. They worked with Packard in the US to build the Packard Merlin.