Wingtip device (English Wikipedia)

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Hoerner, Dr. Sighard (1952). "Aerodynamic Shape of the Wing Tips" (PDF). USAF Technical Reports. Engineering Division, Air Materiel Command; Wright-Patterson Air Force Base, Dayton, Ohio; United States Air Force archive. Technical Report No. 5752. Archived (PDF) from the original on March 16, 2013.

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US 1774474, Vincent J Burnelli, "Airfoil control means", published 26 Aug 1930
patent US 4595160
EP 1531126, Jan Irving & Robert Davies, "Wing tip device", published 2005-05-18, assigned to Airbus

facc.com

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Gerzanics, Mike (October 23, 2019). "ANALYSIS: ATLAS Citation separates winglet from 'blinglet'". Flight Global. Retrieved September 9, 2020.

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nap.edu

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Committee on Assessment of Aircraft Winglets for Large Aircraft Fuel Efficiency (2007). Assessment of Wingtip Modifications to Increase the Fuel Efficiency of Air Force Aircraft. National Academies Press. p. 33. ISBN 978-0-309-38382-0. {{cite book}}: |work= ignored (help)^{[permanent dead link‍]}

nasa.gov

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Richard T. Witcomb (1976), A design approach and selected wind-tunnel results at high subsonic speeds for wing-tip mounted winglets (PDF), NASA

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Harvey, Gareth (November 28, 2005). "Super Chopper : Life-Saving Features: No More Brown-Outs". Engineering Archives. National Geographic Channel. Archived from the original on July 21, 2009. Retrieved August 1, 2009. To counteract this, the EH101's 'winged-tip' rotor blades create what its pilots call the "donut effect" – a circular window of clear air inside the dust storm that allows them to see the ground as they come in to land.

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Masak, Peter (April–May 1992). "Winglet Design for Sailplanes" (PDF). Free Flight. 1992 (2): 8. ISSN 0827-2557.

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Creek, J. Richard; Conway, William (1972) [1967]. The Heinkel He 162 (Aircraft in Profile number 203). Leatherhead, Surrey UK: Profile Publications Ltd. p. 5. Archived from the original on August 19, 2013. Retrieved June 18, 2014.

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McLean, Doug (2005). "Wingtip Devices: What They Do and How They Do It" (PDF). 2005 Performance and Flight Operations Engineering Conference. Boeing: Article 4. Retrieved March 27, 2022.

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Herrick, Larry (June 12, 1998). "Blunt Leading-Edge Raked Wingtips" (PDF). Google Patents. Retrieved December 6, 2021.

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washingtonpost.com

Wynter, Leon (May 18, 1983). "Bowie Youth Sweeps Science 'World Series'". Washington Post.

web.archive.org

Hoerner, Dr. Sighard (1952). "Aerodynamic Shape of the Wing Tips" (PDF). USAF Technical Reports. Engineering Division, Air Materiel Command; Wright-Patterson Air Force Base, Dayton, Ohio; United States Air Force archive. Technical Report No. 5752. Archived (PDF) from the original on March 16, 2013.
Sakrison, David (2004). "A German aerodynamicist, a California character, and a corkscrew". Met-Co-Aire. Archived from the original on March 22, 2016.
Creek, J. Richard; Conway, William (1972) [1967]. The Heinkel He 162 (Aircraft in Profile number 203). Leatherhead, Surrey UK: Profile Publications Ltd. p. 5. Archived from the original on August 19, 2013. Retrieved June 18, 2014.
Bargsten, Clayton J.; Gibson, Malcolm T. (August 2011). NASA Innovation in Aeronautics: Select Technologies That Have Shaped Modern Aviation (PDF). National Aeronautics and Space Administration. pp. 11–22. Archived from the original (PDF) on September 21, 2021. Retrieved November 1, 2017.
"Chapter 2" (PDF), London City Airport Wake Turbulence Study, Halcrow Group Limited, December 2010, archived from the original on October 1, 2017{{citation}}: CS1 maint: bot: original URL status unknown (link)
"Winglets allow for steeper climbs" (PDF). FACC AG. Archived from the original (PDF) on November 7, 2017. Retrieved January 6, 2019.
"From the A300 to the A380: Pioneering leadership". Corporate information – Innovation & technology. Airbus. Archived from the original on April 21, 2009.{{cite web}}: CS1 maint: bot: original URL status unknown (link)
"Next-Generation 737 Program Milestones". Boeing. Archived from the original on April 29, 2008. Retrieved February 5, 2019.
"American Airlines takes delivery of its first A320 Family aircraft" (Press release). Airbus. July 23, 2013. Archived from the original on November 7, 2017. Retrieved November 1, 2017.
"Airbus launches "Sharklet" large wingtip devices for A320 Family with commitment from Air New Zealand". Airbus. November 15, 2009. Archived from the original on November 7, 2017.
"Airbus Selects Korean Air Aerospace to manufacture Sharklet wingtips for the A330neo Family". Airbus. Archived from the original on January 26, 2023. Retrieved September 9, 2020.
Rich Breuhaus (May 20, 2008). "787 Dreamliner: A New Airplane for a New World" (PDF). ACI-NA Commissioners Conference. Boeing. Archived from the original (PDF) on March 7, 2017. Retrieved January 6, 2019.
Curtis Chan (Summer 2000). "The tip of the iceberg". Engineering Penn State magazine. Archived from the original on June 11, 2004.{{cite web}}: CS1 maint: bot: original URL status unknown (link)
"What is a Q-Tip propeller? What are its advantages?". Product Support: Frequently Asked Questions. Hartzell Propeller. Archived from the original on March 18, 2001. Aerodynamic improvements include a reduced diameter and decreased tip speeds. This results in quieter operation and reduced tip vortices. The 90° bend reduces the vortices that, on traditional blades, pick up debris that can contact the blades and cause nicks, gouges and scratches.{{cite web}}: CS1 maint: bot: original URL status unknown (link)
Harvey, Gareth (November 28, 2005). "Super Chopper : Life-Saving Features: No More Brown-Outs". Engineering Archives. National Geographic Channel. Archived from the original on July 21, 2009. Retrieved August 1, 2009. To counteract this, the EH101's 'winged-tip' rotor blades create what its pilots call the "donut effect" – a circular window of clear air inside the dust storm that allows them to see the ground as they come in to land.

worldcat.org

search.worldcat.org

Masak, Peter (April–May 1992). "Winglet Design for Sailplanes" (PDF). Free Flight. 1992 (2): 8. ISSN 0827-2557.