Rocket engines are incredibly complex machines, pushing the boundaries of material science and human ingenuity. And there’s a wide range of ways you can actually power a rocket engine and make it work. They can be super simple, like just opening the valves of a tank under high pressure to having complex pumps arranged in a fashion so confusing it’s a miracle anyone ever figured out how to build them in the first place. So today we’re going to talk about cold gas, pressure fed, electric pump fed, open cycle, closed cycle, full flow staged combustion, tap off and expander cycles. We’ll go over their pros and cons and lots of fun examples of each one! Check out our article version of this video too for sources and links! - https://everydayastronaut.com/rocket-engine-cycles/ 00:00 - Intro 02:55 - Basics Of Rocket Engines 05:35 - Cold Gas Thrusters 10:25 - Monopropellant Pressure Fed 14:15 - Bipropellant Pressure Fed 17:45 - Electric Pump Fed 21:05 - Open Cycle 25:40 - Closed Cycle [Ox Rich] 31:15 - Closed Cycle [Fuel Rich] 35:25 - Full Flow Staged Combustion 44:25 - Tap-Off Cycle 46:45 - Expander Cycle 52:20 - Summary -------------------------- Want to support what I do? Consider becoming a Patreon supporter for access to exclusive livestreams, our discord channel and subreddit! - http://patreon.com/everydayastronaut Or become a YouTube member for some bonus perks as well! - null. The best place for all your space merch needs! null All music is original! Check out my album "Maximum Aerodynamic Pressure" anywhere you listen to music (Spotify, iTunes, Google Play, Amazon, etc) or click here for easy links - http://everydayastronaut.com/music