![spacex - What are the differences between a standard Merlin engine and the Merlin Vacuum engine? - Space Exploration Stack Exchange spacex - What are the differences between a standard Merlin engine and the Merlin Vacuum engine? - Space Exploration Stack Exchange](https://i.stack.imgur.com/0A9SH.jpg)
spacex - What are the differences between a standard Merlin engine and the Merlin Vacuum engine? - Space Exploration Stack Exchange
![spacex - What are the differences between a standard Merlin engine and the Merlin Vacuum engine? - Space Exploration Stack Exchange spacex - What are the differences between a standard Merlin engine and the Merlin Vacuum engine? - Space Exploration Stack Exchange](https://i.stack.imgur.com/YC9rw.jpg)
spacex - What are the differences between a standard Merlin engine and the Merlin Vacuum engine? - Space Exploration Stack Exchange
![SpaceX on X: "Falcon Heavy's 27 Merlin engines generate more than 5 million pounds of thrust at liftoff, making it the world's most powerful operational rocket by a factor of two https://t.co/0LGaLgdi13" / SpaceX on X: "Falcon Heavy's 27 Merlin engines generate more than 5 million pounds of thrust at liftoff, making it the world's most powerful operational rocket by a factor of two https://t.co/0LGaLgdi13" /](https://pbs.twimg.com/media/D3kJOrPUIAA6Kqs.jpg)