14K views · 435 reactions | The story of the Merlin begins in the early 1930s. Rolls-Royce, already a respected name in aircraft engines, was looking to develop a new high-performance liquid-cooled V12 engine. Initially, the company worked on an engine called the PV-12—'PV' standing for Private Venture, since it was developed without government funding. #ww2 #Aviation #military | Jets 'n' Props | Facebook