20. Large Jet Engine
A jet engine consists of over 40,000 parts. The largest of which is the air intake duct, which can measure up to 18 feet in diameter and 12 feet long in some of the largest engines. If you enjoyed this engine fact or know someone who would, be sure to share it. Coming up next are more awesome engine facts. We saved the best for last so be sure to stick around until the end. Quote of the day: “Scientists investigate that which already is; Engineers create that which has never been.” – Albert Einstein”