One F-1 engine on the Saturn V’s first stage made about 1.5 million pounds of thrust. There were five of them — and each burned thousands of pounds of propellant every second.
Full story on the channel: Saturn V: Why It Needed Three Stages to Reach the Moon.
Sources: F-1 Engine Fact Sheet, Saturn V News Reference (NASA). Diagrams original. Archival still public-domain NASA.
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