The boffins among us could calculate how much compressed helium would be needed to make profit of such an improvement on a typical B738 flight. A plane sized of a B752 changes it air once every two minutes, and weight of supporting equipment can be disregarded.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.