TOP 10 MOST POWERFUL ROCKET ENGINES OF ALL TIME

The first liquid-fueled rocket was developed by Robert H. Goddard in 1926 which turned out to be the progenitor of the Saturn V rocket that launched 43 years later and is still the most powerful rocket ever launched in the world.  Rockets need to travel over 25,000-miles-per-hour, or 7-miles per second to reach escape velocity, and they need to have a lot of power to achieve this. But just which rocket engine is the most powerful? ... https://www.youtube.com/watch?v=4g8tgZ9WCV0