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Summary

DescriptionVTOL DiscLoad-LiftEfficiency.svg	Diagram of correlation between disc loading and hover lift efficiency, for various VTOL aircrafts such as helicopters, tiltrotors, tiltwings, liftfan (F-35B) and liftjets (Harrier)
Date	1 January 2000
Source	NASA SP-2000-4517, "The History of the XV-15 Tilt Rotor Research Aircraft: From Concept to Flight" (Bibliographic data) https://ntrs.nasa.gov/search.jsp?R=20000027499 (PDF) http://history.nasa.gov/monograph17.pdf
Author	Maisel, Martin D., Demo J. Giulianetti and Daniel C. Dugan (Vectored by Przemyslaw D. Gacia)

Notes

Page 29 in original NASA document. Original description of Figure: "Hover vertical lift efficiency as a function of disc loading". On both axis IS units had been added.

Similar concept diagram, with power

Licensing

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