![The Rolls Royce Merlin engine of the P-51 Mustang air racer Speedball Alice starts | RWP Photography The Rolls Royce Merlin engine of the P-51 Mustang air racer Speedball Alice starts | RWP Photography](https://www.rwphotos.com/img-get/I0000.RPbb6uW3yo/s/750/750/air-racing-AV154009.jpg)
The Rolls Royce Merlin engine of the P-51 Mustang air racer Speedball Alice starts | RWP Photography
![P-51 Mustang's Switch to Merlin Engine Made it the World-beater of World War II | Defense Media Network P-51 Mustang's Switch to Merlin Engine Made it the World-beater of World War II | Defense Media Network](https://i0.wp.com/www.defensemedianetwork.com/wp-content/uploads/2012/10/P-51D.jpg?ssl=1)
P-51 Mustang's Switch to Merlin Engine Made it the World-beater of World War II | Defense Media Network
![Rolls-Royce Merlin engine cutaway on display (as fitted to the iconic P51 Mustang) [4272x2828] : r/MachinePorn Rolls-Royce Merlin engine cutaway on display (as fitted to the iconic P51 Mustang) [4272x2828] : r/MachinePorn](http://farm9.staticflickr.com/8230/8545154441_3eea10fbcc_o.jpg)
Rolls-Royce Merlin engine cutaway on display (as fitted to the iconic P51 Mustang) [4272x2828] : r/MachinePorn
![P-51 Mustang's Switch to Merlin Engine Made it the World-beater of World War II | Defense Media Network P-51 Mustang's Switch to Merlin Engine Made it the World-beater of World War II | Defense Media Network](https://www.defensemedianetwork.com/wp-content/uploads/2012/10/P-51s_361st_FG_July_1944.jpg)
P-51 Mustang's Switch to Merlin Engine Made it the World-beater of World War II | Defense Media Network
Did anyone ever consider shoehorning a Napier Sabre into a P51? Given how well the P51 performed with the Merlin, I'd have loved to see how it would have handled an extra
![Rolls- Royce Merlin V-12 1,490 HP The engine that powered the P-51 Mustang | Mustang engine, Rolls royce merlin, Rolls royce Rolls- Royce Merlin V-12 1,490 HP The engine that powered the P-51 Mustang | Mustang engine, Rolls royce merlin, Rolls royce](https://i.pinimg.com/originals/e5/56/04/e5560475f6ab303465acb7c04fed41ab.jpg)