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 Curtiss-Wright R-3350 Pratt & Whitney R-4360 Wasp Major Wright R-3350 Duplex-Cyclone Pratt & Whitney R-1340 Wasp Russischer Sternmotor Music: Please subscribe, like and comment