Rolls-Royce Merlin prey, Rolls-Royce named the engine the "Merlin" after a small, Northern Hemisphere falcon ("Falco columbarius"). Two more Rolls-Royce engines developed just prior to the war were added to the company's range. The Rolls-Royce Peregrine was an updated, supercharged development of their V-12 Kestrel design, while the 42-litre (2,560 cu in) Rolls-Royce Vulture used four Kestrel-sized cylinder blocks fitted to a single crankcase and driving a common crankshaft, forming an X-24 layout. This was to be used in larger aircraft such as the Avro Manchester. Although the Peregrine appeared to be a satisfactory design, it was never allowed to mature since
Rolls-Royce MT30 Rolls-Royce MT30 The Rolls-Royce MT30 (Marine Turbine) is a marine gas turbine engine based on Rolls-Royce Trent 800 aero engine. The MT30 retains 80% commonality with the Trent 800, the engine for the Boeing 777. The maximum power rating is 40 MW and minimum efficient power 25MW. Rolls-Royce announced the MT30 programming on September 11, 2001. The first run of the engine was on September 6, 2002. In early 2003 the MT30 was selected to power the Royal Navy future aircraft carriers (CVFs) and the demonstrator of the US Navy's DD(X) multi-mission destroyer. In June 2004 Lockheed Martin awarded the