I think a good analysis should be done with numbers in text - or oral? - form. For this video, claiming that ~70 tons/sec needs that much more powerful pumps than Shuttle engine's 500 kg/s doesn't seem to mention the fact that power is proportional not only to flow, but to pressure difference as well; other questions could also appear.
I think a good analysis should be done with numbers in text - or oral? - form. For this video, claiming that ~70 tons/sec needs that much more powerful pumps than Shuttle engine's 500 kg/s doesn't seem to mention the fact that power is proportional not only to flow, but to pressure difference as well; other questions could also appear.