Check out the full engine start-up of the B-17 Sentimental Journey, part of the Commemorative Air Force. This heavy bomber manufactured by Boeing is powered by 4 × Wright R-1820-97 "Cyclone" turbosupercharged radial engines, 1,200 HP each. Don't forget to subscribe to our YouTube channel for more exclusive content and turn on those post notifications so you don't miss an upload. Follow us! Facebook: https://www.facebook.com/TheAviatorsTV Instagram: https://www.instagram.com/theaviatorstv/ Website: https://theaviators.tv/ Twitter: https://twitter.com/TheAviatorsTV