Radial engine compilation

Having a look at radial engines used in aircraft. Please support my next project The engines we are looking at is: Armstrong Siddeley Cheetah Bristol Hercules Clerget 9B CurtissWright R3350 Pratt Whitney R4360 Wasp Major Wright R3350 DuplexCyclone Pratt Whitney R1340 Wasp Russischer Sternmotor Music: Please subscribe, like and comment