File:VTOL DiscLoad-LiftEfficiency.svg

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Summary

DescriptionVTOL DiscLoad-LiftEfficiency.svg	English: 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

	This file is in the public ___domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
	Warnings: Use of NASA logos, insignia and emblems is restricted per U.S. law 14 CFR 1221. The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public ___domain. Materials based on Hubble Space Telescope data may be copyrighted if they are not explicitly produced by the STScI.[1] See also {{PD-Hubble}} and {{Cc-Hubble}}. The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2] Images featured on the Astronomy Picture of the Day (APOD) web site may be copyrighted. [3] The National Space Science Data Center (NSSDC) site has been known to host copyrighted content. Its photo gallery FAQ states that all of the images in the photo gallery are in the public ___domain "Unless otherwise noted."

File history

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	07:52, 12 July 2017		450 × 375 (130 KB)	Przemyslaw D. Gacia	User created page with UploadWizard

File usage

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Global file usage

The following other wikis use this file:

Usage on ca.wikipedia.org
- Aeronau de rotors basculants
Usage on es.wikipedia.org
- Convertiplano
- Carga de disco
Usage on fa.wikipedia.org
- بارگیری پروانه
Usage on he.wikipedia.org
- המראה ונחיתה אנכית
- מסוק
Usage on it.wikipedia.org
- Velivolo ad ali basculanti
Usage on ja.wikipedia.org
Usage on sl.wikipedia.org
- Nagibno krilo
- Nagibni rotor

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Short title	Hover vertical lift efficiency as a function of disc loading.
Width	450
Height	375

File:VTOL DiscLoad-LiftEfficiency.svg

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Notes

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public ___domain

inception

1 January 2000

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133,086 byte

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