The purpose of an engine is to push the plane forward. Engines function by sucking in air from the front with a fan. The main shaft is spun by an electric motor until the engines are ignited. The air pressure is raised by the compressor. The...
Get this image on: Flickr | License details Creator: Tim Felce Want to know where this information comes from? Learn more Overview The Boeing B-17 Flying Fortress was a four-engine, heavy bomber which played a key role in the U.S. Army Air Force during World War II. The B-17's were armed with several machine...