4. 6,000 Pound Jet Engines
The Pratt & Whitney J58, two of which powered the fastest aircraft of all time (SR-71 Blackbird), weighed 6,000 pounds. 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”