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{{Short description|Aircraft design with no clear divide between fuselage and wing}}
[[File:JetZero blended wing body aircraft prototype concept art.jpg|thumb|300px|A rendering of the [[US Air Force]] blended wing body aircraft project]]

A '''blended wing body''' ('''BWB'''), also known as '''blended body''', '''hybrid wing body''' ('''HWB''') or a '''lifting aerofoil fuselage''',<ref>{{cite book |title=A Dictionary of Aviation |first=David W. |last=Wragg |isbn=978-0-85045-163-4 |edition=first |publisher=Osprey |year=1973 |page=177}}</ref> is a [[fixed-wing aircraft]] having no clear dividing line between the wings and the main body of the craft.<ref name=burl/> The aircraft has distinct wing and body structures, which are smoothly blended together with no clear dividing line.<ref name="Crane">Crane, Dale. ''Dictionary of Aeronautical Terms, third edition''. Newcastle, Washington: Aviation Supplies & Academics, 1997. {{ISBN|1-56027-287-2}}. p. 224.</ref> This contrasts with a [[flying wing]], which has no distinct [[fuselage]], and a [[lifting body]], which has no distinct [[wing]]s. A BWB design may or may not be [[tailless aircraft|tailless]].

The main advantage of the BWB is to reduce [[wetted area]] and the accompanying [[form drag]] associated with a conventional wing-body junction. It may also be given a wide [[airfoil]]-shaped body, allowing the entire craft to generate [[lift (force)|lift]] and thus reducing the size and drag of the wings.

The BWB configuration is used for both [[aircraft]] and [[underwater glider]]s.

==History==
[[File:NASA N3-X hybrid wing aircraft.jpg|thumb|The N3-X NASA concept]]

In the early 1920s Nicolas Woyevodsky developed a theory of the BWB and, following wind tunnel tests, the [[Westland Dreadnought]] was built. It stalled on its first flight in 1924, severely injuring the pilot, and the project was cancelled. The idea was proposed again in the early 1940s for a [[Miles M.26]] airliner project and the [[Miles M.30]] "X Minor" research prototype was built to investigate it. The [[McDonnell XP-67]] prototype interceptor also flew in 1944 but did not meet expectations.

[[NASA]] and [[McDonnell Douglas]] returned to the concept in the 1990s with an [[artificial stability|artificially stabilized]] {{convert|17|ft|adj=on}} model (6% scale) called BWB-17, built by [[Stanford University]], which was flown in 1997 and showed good handling qualities.<ref name="Liebeck2004">{{cite journal |author=Liebeck, R.H. |author-link=Robert H. Liebeck |date=January–February 2004 |title=Design of the Blended Wing Body Subsonic Transport |url=http://www.vicomplex.hu/arep/BoeingBWB.pdf |journal=Journal of Aircraft |volume=41 |issue=1 |pages=10–25 |doi=10.2514/1.9084 |url-access= |doi-access=}}</ref>{{rp|16}} From 2000 NASA went on to develop a remotely controlled research model with a {{convert|21|ft|adj=on}} wingspan.

NASA has also jointly explored BWB designs for the [[Boeing X-48]] [[unmanned aerial vehicle]].<ref>[http://www.boeing.com/Features/2012/08/corp_x48_08_07_12.html "A flight toward the future."] {{webarchive |url=https://web.archive.org/web/20121204000341/http://www.boeing.com/Features/2012/08/corp_x48_08_07_12.html |date=December 4, 2012 }} ''[[Boeing]]'', August 7, 2012 Retrieved: November 23, 2012.</ref> Studies suggested that a BWB airliner carrying from 450 to 800 passengers could achieve fuel savings of over 20 percent.<ref name=Liebeck2004/>{{rp|21}}

[[Airbus]] is studying a BWB design as a possible replacement for the [[Airbus A320neo family|A320neo family]]. A sub-scale model flew for the first time in June 2019 as part of the MAVERIC (Model Aircraft for Validation and Experimentation of Robust Innovative Controls) programme, which Airbus hopes will help it reduce CO<sub>2</sub> emissions by up to 50% relative to 2005 levels.<ref>{{cite news |last1=Reim |first1=Garrett |title=Airbus studies blended-wing airliner designs to slash fuel burn |url=https://www.flightglobal.com/singapore-air-show-2020/airbus-studies-blended-wing-airliner-designs-to-slash-fuel-burn/136662.article |work=Flight Global |date=11 February 2020 |language=en}}</ref>

The N3-X NASA concept uses a number of superconducting electric motors to drive the distributed fans to lower the fuel burn, emissions, and noise. The power to drive these electric fans is generated by two wingtip-mounted gas-turbine-driven superconducting electric generators. This idea for a possible future aircraft is called a "hybrid wing body" or sometimes a blended wing body. In this design, the wing blends seamlessly into the body of the aircraft, which makes it extremely aerodynamic and holds great promise for dramatic reductions in fuel consumption, noise and emissions. NASA develops concepts like these to test in computer simulations and as models in wind tunnels to prove whether the possible benefits would actually occur.{{cn|date=June 2021}}

=== 2020s ===
In 2020, [[Airbus]] presented a BWB concept as part of its [[Airbus ZEROe|ZEROe]] initiative and demonstrated a small-scale aircraft.<ref>{{Cite press release |url=https://www.airbus.com/en/newsroom/press-releases/2020-09-airbus-reveals-new-zero-emission-concept-aircraft |publisher= Airbus |date=21 September 2020 |title=Airbus reveals new zero emission concept aircraft}}</ref><ref name=AvWeek1jun2023>{{Cite news |title=Opinion: Why It Is Time For The Blended Wing Body |work= Aviation Week |url=https://aviationweek.com/aerospace/aircraft-propulsion/opinion-why-it-time-blended-wing-body |date= June 1, 2023 |author= Kevin Michaels }}</ref> 
In 2022, [[Bombardier Aviation|Bombardier]] announced its [[Bombardier EcoJet|EcoJet]] project.<ref name="AvWeek1jun2023" /><ref>{{Cite news |last=Verdon |first=Michael |date= May 30, 2023 |title=Bombardier's New Blended-Wing 'EcoJet' Cuts Emissions by 50%—and It's Hitting the Skies Soon |url=https://robbreport.com/motors/aviation/bombardiers-blended-wing-ecojet-could-eliminate-emissions-50-percent-1234848704/ |website= Robb Report }}</ref>{{better ref needed|reason=a technical ref would be better than a luxury blog|date=June 2023}} 
In 2023, California startup [[JetZero]] announced its [[JetZero Z5|Z5]] project, designed to carry 250 passengers, targeting the [[Middle of the market|New Midmarket Airplane]] category, expecting to use existing [[CFM International LEAP]] or [[Pratt & Whitney PW1000G]] {{cvt|35,000|lbf|kN}} engines.<ref name="AW 21Apr2023">{{cite web |last1=Norris |first1=Guy |last2=Warwick |first2=Graham |title=JetZero Unveils Midmarket Airliner And Air Force Tanker BWB Plan |url=https://m.aviationweek.com/aerospace/emerging-technologies/jetzero-unveils-midmarket-airliner-air-force-tanker-bwb-plan |website=aviationweek.com |access-date=17 August 2023 |date=21 April 2023}}</ref><ref name="AFmag2may2023">{{Cite news |last=Roza |first=David |date=May 2, 2023 |title=As USAF Considers a Blended-Wing Body Tanker, New Startup Reveals Its Concept |website=Air & Space Forces Magazine |url=https://www.airandspaceforces.com/air-force-blended-wing-body-tanker-jetzero/}}</ref> In August 2023, the [[U.S. Air Force]] announced a $235-million contract awarded over a four-year period to JetZero, culminating in first flight of the full-scale demonstrator by the first quarter of 2027. The goal of the contract is to demonstrate the capabilities of BWB technology, giving the Department of Defense and commercial industry more options for their future air platforms.<ref name="BD 16Aug2023">{{cite web |last1=Marrow |first1=Michael |title=Air Force picks startup JetZero to build blended wing body demonstrator |url=https://breakingdefense.com/2023/08/air-force-picks-startup-jetzero-to-build-blended-wing-body-demonstrator/ |website=breakingdefense.com |access-date=17 August 2023 |date=16 August 2023}}</ref><ref>{{cite web |last1=Alcock |first1=Charles |title=JetZero's blended-wing body aircraft boosted by U.S. Air Force contract |url=https://www.futureflight.aero/news-article/2023-08-16/jetzeros-blended-wing-body-aircraft-boosted-us-air-force-contract |website=futureflight.aero |access-date=17 August 2023 |date=16 August 2023}}</ref>

==Characteristics==

The wide interior spaces created by the blending pose novel structural challenges. NASA has been studying foam-clad stitched-fabric [[carbon fiber composite]] skinning to create uninterrupted cabin space.<ref>{{cite web|last=Bullis|first=Kevin|date= January 24, 2013|title=NASA has demonstrated a manufacturing breakthrough that will allow hybrid wing aircraft to be scaled up |url= http://www.technologyreview.com/news/509916/hybrid-wing-uses-half-the-fuel-of-a-standard-airplane/|work=[[MIT Technology Review]]}}</ref>

The BWB form minimizes the total [[wetted area]] – the surface area of the aircraft skin, thus reducing [[skin drag]] to a minimum. It also creates a thickening of the wing root area, allowing a more efficient structure and reduced weight compared to a conventional craft. NASA also plans to integrate [[High bypass#Extreme bypass jet engines|Ultra High Bypass (UHB) ratio]] jet engines with the hybrid wing body.<ref>{{cite web| first1 =Michael | last1 = Braukus | first2 = Kathy | last2 = Barnstorff|date=Jan 7, 2013|title= NASA's Green Aviation Research Throttles Up Into Second Gear|url= http://www.nasa.gov/home/hqnews/2013/jan/HQ_13-002_ERA_Phase_2.html|access-date=Jan 26, 2013|publisher= [[NASA]]}}</ref>

A conventional tubular fuselage carries 12–13% of the total [[Lift (force)|lift]] compared to 31–43% carried by the centerbody in a BWB, where an intermediate lifting-fuselage configuration better suited to [[narrowbody]]-sized airliners would carry 25–32% for a 6.1–8.2% increase in [[Fuel economy in aircraft|fuel efficiency]].<ref name= "AW160822">{{cite web| first =Graham | last = Warwick|date=Aug 22, 2016|title= Finding Ultra-Efficient Designs For Smaller Airliners|url= http://aviationweek.com/commercial-aviation/finding-ultra-efficient-designs-smaller-airliners|work=Aviation Week & Space Technology}}</ref>

{{Image frame|width=1028|content=[[File:BWB Composite.jpg|800px]][[File:NASA M2-F1 in towed flight (ECN-225).jpg|228px]]
|caption=Spectrum of aircraft design concepts. From left to right: conventional airliner ([[Boeing 757]]), blended wing body ([[Rockwell B-1 Lancer|B-1 Lancer]]), flying wing with bulged fairings ([[Northrop Grumman B-2 Spirit|B-2 Spirit]]), and almost clean [[flying wing]] ([[Northrop YB-49]]) and [[Lifting body]] ([[NASA M2-F1|M2-F1]]).|align=center}}

===Potential advantages===
*Significant payload advantages in [[Airlift |strategic airlift]], [[Cargo airline|air freight]],<ref>{{Cite web|last=Warwick | first= Graham |title= Boeing works with airlines on commercial blended wing body freighter |url= https://www.flightglobal.com/boeing-works-with-airlines-on-commercial-blended-wing-body-freighter/73711.article|access-date=2023-02-12 |website=Flight Global | date= 21 May 2007}}</ref> and [[aerial refueling]] roles
* Increased [[fuel efficiency]] — 10.9% better than a conventional [[widebody]],<ref name=AW160822/> to over 20% than a comparable conventional aircraft.<ref>{{Cite web| publisher =NASA | title = Blended Wing Body Fact Sheet|url= https://www.nasa.gov/centers/langley/news/factsheets/FS-2003-11-81-LaRC.html |access-date=2021-05-17}}</ref> A 2022 US Air Force report shows a BWB "increases aerodynamic efficiency by at least 30% over current air force tanker and mobility aircraft".<ref>{{Cite web|last= Finnerty |first=Ryan|date=2022-10-12|title=US Air Force to test blended-wing logistics aircraft by 2027 |url= https://www.flightglobal.com/fixed-wing/us-air-force-to-test-blended-wing-logistics-aircraft-by-2027/150501.article|access-date=2023-02-12 |website=Flight Global}}</ref>
*Lower noise — NASA [[Auralization|audio simulations]] show a 15 [[Decibel |dB]] reduction of [[Boeing 777]]-class aircraft,<ref>{{cite web |last= Warwick |first= Graham |title= Hear This – The BWB is Quiet! |url= http://aviationweek.com/blog/hear-bwb-quiet |work= [[Aviation Week]] |date= Jan 12, 2013}}</ref> while other studies show {{nowrap|22–42 dB}} reduction below [[Aircraft noise#Regulation|Stage 4 level]], depending on configuration.<ref name= burl>{{cite web| first =Russell H. | last = Thomas | first2 = Casey L. | last2 = Burley | first3 = Erik D. | last3 = Olson|title=Hybrid Wing Body Aircraft System Noise Assessment With Propulsion Airframe Aeroacoustic Experiments|url=https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20100023399_2010025666.pdf|access-date=26 January 2013|year=2010}} [http://www.aeronautics.nasa.gov/pdf/asm_presentations_status_hwb_community.pdf Presentation]{{webarchive |url = https://web.archive.org/web/20130516232013/http://www.aeronautics.nasa.gov/pdf/asm_presentations_status_hwb_community.pdf |date=2013-05-16 }}</ref>

===Potential disadvantages===
*Evacuating a BWB in an emergency could be a challenge. Because of the aircraft's shape, the seating layout would be theater-style instead of tubular. This imposes inherent limits on the number of exit doors.<ref>{{cite journal | first1 =E. R. | last1 = Galea |first2=L. |last2=Filippidis |first3=Z. |last3=Wang | first4 = P. J. | last4 = Lawrence |first5=J. |last5=Ewer |year=2011 |title=Evacuation Analysis of 1000+ Seat Blended Wing Body Aircraft Configurations: Computer Simulations and Full-scale Evacuation Experiment |url= https://page-one.springer.com/pdf/preview/10.1007/978-1-4419-9725-8_14 |journal=Pedestrian and Evacuation Dynamics |pages=151–61 |doi= 10.1007/978-1-4419-9725-8_14 |isbn= 978-1-4419-9724-1 |s2cid = 55673992}}</ref><ref>{{cite web |url= http://www.evacmod.net/?q=node/2080 |first= Ed |last=Galea |title= Evacuation analysis of 1000+ seat Blended Wing Body aircraft configurations |type=video |website= Evacmod |access-date=August 25, 2015 }}</ref>
*It has been suggested that BWB interiors would be windowless;<ref name=":0" /> more recent information shows that windows may be positioned differently but involve the same weight penalties as a conventional aircraft.<ref name=":1">{{Cite web|last= Page|first=Mark|date=2018-09-14|title=Single-aisle Airliner Disruption with a single-deck blended-wing-body |url=https://www.icas.org/ICAS_ARCHIVE/ICAS2018/data/papers/ICAS2018_0390_paper.pdf|url-status=live| publisher = ICAS |archive-url= https://web.archive.org/web/20181220185203/http://icas.org:80/ICAS_ARCHIVE/ICAS2018/data/papers/ICAS2018_0390_paper.pdf |archive-date=2018-12-20 }}</ref>
*It has been suggested that passengers at the edges of the cabin may feel uncomfortable during wing roll;<ref name =":0">{{cite news |url= http://www.imeche.org/news/news-article/boeing-not-convinced-by-blended-wing-aircraft-design-16061502 |title= Boeing not convinced by blended wing aircraft design |date= June 16, 2015 |work= [[Institution of Mechanical Engineers]]}}</ref> however, passengers in large conventional aircraft like the 777 are equally susceptible to such roll.<ref name=":1" />
*The center wingbox needs to be tall to be used as a passenger cabin, requiring a larger wing span to balance out.<ref name= "Leeham3apr2018">{{cite news|date= April 3, 2018|title=Don't look for commercial BWB airplane any time soon, says Boeing's future airplanes head |work=Leeham News|url= https://leehamnews.com/2018/04/03/dont-look-for-commercial-bwb-airplane-any-time-soon-says-boeings-future-airplanes-head/}}</ref>
*A BWB has more empty weight for a given payload, and may not be economical for short missions of around four or fewer hours.<ref name="Leeham3apr2018" />
*A larger wing span may be incompatible with some airport infrastructure, requiring [[Folding wing|folding wings]] similar to the [[Boeing 777X]].
*It is more expensive to modify the design to create differently-sized variants compared to a conventional fuselage and wing which can be stretched or shrunk easily.<ref name= "Leeham3apr2018" />
*Pitch control and lift capability at low speed have presented challenges for blended-wing designs. JetZero has proposed a novel landing gear design to address these issues for its Z-5 BWB concept.<ref name="AW 21Apr2023" />

==List of blended wing body aircraft==
[[File:Northrop Grumman Bat UAV in flight in June 2014.JPG|thumb|The Northrop BAT UAV in flight from below]]

{{avilisthead|general}}
|-
| [[Airbus Maveric]]|| Multinational || UAV  || Experimental || 2019 || Prototype || 1 || <ref>{{Cite press release|url=https://www.airbus.com/newsroom/press-releases/en/2020/02/airbus-reveals-its-blended-wing-aircraft-demonstrator.html|access-date=2023-02-12|website=Airbus|title =Airbus reveals its blended wing aircraft demonstrator| date = 11 February 2020| location = Singapore}}</ref><ref>{{Cite web|date=2020-02-13
| author= Caroline Delbert
|title=Will People Fly In This 'Blended Wing' Airplane? Airbus Built a Prototype To Find Out.|url=https://www.popularmechanics.com/flight/a30916392/maveric-airbus-concept/|access-date=2023-02-12|website=Popular Mechanics|language=en-us}}</ref>
|-
| [[Boeing X-45]] || US || UAV  || Experimental || 2002 || Prototype || 2 ||
|-
| [[Boeing X-48]] (<span class="ltr">C</span>) || US || UAV || Experimental || 2013 || Prototype || 2 || Two engine
|-
| [[Boeing X-48]] (<span class="ltr">B</span>) || US || UAV || Experimental || 2007 || Prototype || 2 || Three engine
|-
| [[Lockheed A-12]], M-21 and [[Lockheed YF-12|YF-12]] || US || Jet || Reconnaissance || 1962 || Production || 18 || YF-12 was a prototype interceptor
|-
| [[Lockheed SR-71 Blackbird]] || US || Jet || Reconnaissance || 1964 || Production || 32 || 
|-
| [[Northrop Grumman Bat]] || US || Prop/electric || Reconnaissance || 2006 || Production || 10 || 
|-
| [[McDonnell XP-67]] || US || Propeller || Fighter || 1944 || Prototype || 1 || Aerofoil profile maintained throughout.
|-
| [[McDonnell Douglas|McDonnell]] / [[NASA]] BWB-17 || US || UAV || Experimental || 1997 || Prototype || 1
|-
| [[Miles M.30]] || UK || Propeller || Experimental || 1942 || Prototype || 1 || 
|-
| [[Rockwell B-1 Lancer]] || US || Jet || Bomber || 1974 || Production || 104 || [[Variable-sweep wing]]
|-
| [[Tupolev Tu-160]] || USSR || Jet || Bomber || 1981 || Production || 36 || [[Variable-sweep wing]]
|-
| [[Tupolev Tu-404]] || Russia || Propeller || Airliner || 1991 || Project || 0 || One of two alternatives studied
|-
| [[Westland Dreadnought]] || UK || Propeller || Transport || 1924 || Prototype || 1 || Mail plane. Aerofoil profile maintained throughout.
|}

==In popular culture==
===''Popular Science'' concept art===
[[File:Blended Wing Concept Art.jpg|thumb|Image of the "Boeing 797" from ''[[Popular Science]]'', 2003]]
A concept photo of a blended wing body commercial aircraft appeared in the November 2003 issue of ''[[Popular Science]]'' magazine.<ref>{{Cite news  |date=November 2003 |title=The Future of Flight |volume=263 
| publisher= Bonnier Corporation 
|work=Popular Science |issue=5 |url=https://books.google.com/books?id=5bKyC4K5tMwC&dq=Popular+Science&pg=PA81 | pages= 83–86}}</ref> Artists [[Neill Blomkamp]] and Simon van de Lagemaat from [[The Embassy Visual Effects]] created the photo for the magazine using computer graphics software to depict the future of aviation and air travel.<ref>{{Cite web|date=2003-10-16|title=Future Flight: A Gallery of the Next Century in Aviation|url=https://www.popsci.com/military-aviation-space/article/2003-10/future-flight-gallery-next-century-aviation/|access-date=2023-02-12|website=Popular Science|language=en-US}}</ref> In 2006 the image was used in an email hoax claiming that Boeing had developed a 1000-passenger jetliner (the "Boeing 797") with a "radical Blended Wing design" and Boeing refuted the claim.<ref>{{cite web |url= http://www.truthorfiction.com/rumors/b/b797.htm |work= [[TruthOrFiction.com]] |title=New Boeing 797 Giant "Blended Wing" Passenger Airliner-Fiction! |date= March 17, 2015}}</ref><ref name="hoaxslay">{{Cite web
| url = http://www.hoax-slayer.com/boeing-797-hoax.shtml
| last= Christensen | first= Brett M. 
| title=Boeing 797 Hoax
| work =Hoax-Slayer
| date= April 19, 2012
| archive-url= https://web.archive.org/web/20120423172557/http://www.hoax-slayer.com/boeing-797-hoax.shtml | archive-date= 2012-04-23 }}</ref><ref name=Baseler>Baseler, Randy. [http://boeingblogs.com/randy/archives/2006/11/air_mail.html "Air mail."] ''Boeing blogs: Randy's Journal,'' November 1, 2006. Retrieved: November 22, 2012.</ref>

==See also==
*[[Aurora D8]]
*[[Flying-V jet]]
*[[List of flying wings]]
*[[Lifting body]]
*[[Silent Aircraft Initiative]], a BWB study

==References==

{{Reflist}}

==Further reading==
* {{cite web |url=http://www.twitt.org/BWBBowers.html |archive-url=https://web.archive.org/web/20021201203443/http://www.twitt.org/BWBBowers.html |archive-date=2002-12-01 |title=Blended-wing-body: Design challenges for the 21st century |date=Sep 16, 2000 |website=The Wing is The Thing |author=Al Bowers}}
* {{cite conference |url=https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20050182126.pdf |title=Blended-Wing-Body (BWB) Fuselage Structural Design for Weight Reduction |conference=46th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference |website=NASA Technical Reports Server |date=April 2005 |author=V. Mukhopadhyay}}
* {{cite magazine |url=https://www.newscientist.com/article/dn8310-blended-wing-craft-passes-windtunnel-tests.html |title='Blended wing' craft passes wind-tunnel tests |magazine=[[New Scientist]] |date=14 November 2005}}
* {{cite news |url=http://news.bbc.co.uk/2/hi/technology/6120132.stm |title='Silent aircraft': How it works |work=BBC |date=6 November 2006}}
* {{cite conference |url=https://repository.tudelft.nl/islandora/object/uuid:b5e3e6e0-4774-4fbd-b357-1a735dcc183d/datastream/OBJ/download |archive-url=https://web.archive.org/web/20180722122033/https://repository.tudelft.nl/islandora/object/uuid:b5e3e6e0-4774-4fbd-b357-1a735dcc183d/datastream/OBJ/download |archive-date=2018-07-22 |title=A New Structural Design Concept for Blended Wing Body Cabins |book-title=53rd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference |author=R. Vos |author2=F.J.J.M.M. Geuskens |author3=M.F.M. Hoogreef |date=April 2012}}
* {{cite AV media |url=https://www.youtube.com/watch?v=UfD0CIAscOI |archive-url=https://ghostarchive.org/varchive/youtube/20211221/UfD0CIAscOI |archive-date=2021-12-21 |url-status=live |title=A Blended Wing Body Concept |publisher=AVD20112012 |via=YouTube |date=May 4, 2012}}{{cbignore}}
* {{cite web |url=http://www.nasa.gov/topics/aeronautics/features/bwb_main.html |website=NASA |title=X-48 Highlights |date=Apr 18, 2013 |access-date=February 1, 2011 |archive-date=July 8, 2017 |archive-url=https://web.archive.org/web/20170708114009/https://www.nasa.gov/topics/aeronautics/features/bwb_main.html |url-status=dead }}
* {{cite conference |url=https://elib.dlr.de/95128/1/OPTIMIZATION%20OF%20REVENUE%20SPACE%20OF%20A%20BLENDED%20WING%20BODY%20ICAS.pdf |title=Optimization of revenue space of a blended wing body |book-title=29th Congress of the International Council of the Aeronautical Sciences (ICAS 2014) |author=Jörg Fuchte |author2=Till Pfeiffer |author3=Pier Davide Ciampa |author4=Björn Nagel |author5=Volker Gollnick |date=September 2014}}

[[Category:Blended wing body| ]]
[[Category:Aircraft aerodynamics]]
[[Category:Aircraft configurations]]
[[Category:Aircraft wing design]]
[[Category:Lists of aircraft by wing configuration]]

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Latin: A a Á á À à Â â Ä ä Ǎ ǎ Ă ă Ā ā Ã ã Å å Ą ą Æ æ Ǣ ǣ B b C c Ć ć Ċ ċ Ĉ ĉ Č č Ç ç D d Ď ď Đ đ Ḍ ḍ Ð ð E e É é È è Ė ė Ê ê Ë ë Ě ě Ĕ ĕ Ē ē Ẽ ẽ Ę ę Ẹ ẹ Ɛ ɛ Ǝ ǝ Ə ə F f G g Ġ ġ Ĝ ĝ Ğ ğ Ģ ģ H h Ĥ ĥ Ħ ħ Ḥ ḥ I i İ ı Í í Ì ì Î î Ï ï Ǐ ǐ Ĭ ĭ Ī ī Ĩ ĩ Į į Ị ị J j Ĵ ĵ K k Ķ ķ L l Ĺ ĺ Ŀ ŀ Ľ ľ Ļ ļ Ł ł Ḷ ḷ Ḹ ḹ M m Ṃ ṃ N n Ń ń Ň ň Ñ ñ Ņ ņ Ṇ ṇ Ŋ ŋ O o Ó ó Ò ò Ô ô Ö ö Ǒ ǒ Ŏ ŏ Ō ō Õ õ Ǫ ǫ Ọ ọ Ő ő Ø ø Œ œ Ɔ ɔ P p Q q R r Ŕ ŕ Ř ř Ŗ ŗ Ṛ ṛ Ṝ ṝ S s Ś ś Ŝ ŝ Š š Ş ş Ș ș Ṣ ṣ ß T t Ť ť Ţ ţ Ț ț Ṭ ṭ Þ þ U u Ú ú Ù ù Û û Ü ü Ǔ ǔ Ŭ ŭ Ū ū Ũ ũ Ů ů Ų ų Ụ ụ Ű ű Ǘ ǘ Ǜ ǜ Ǚ ǚ Ǖ ǖ V v W w Ŵ ŵ X x Y y Ý ý Ŷ ŷ Ÿ ÿ Ỹ ỹ Ȳ ȳ Z z Ź ź Ż ż Ž ž ß Ð ð Þ þ Ŋ ŋ Ə ə
Greek: Ά ά Έ έ Ή ή Ί ί Ό ό Ύ ύ Ώ ώ Α α Β β Γ γ Δ δ Ε ε Ζ ζ Η η Θ θ Ι ι Κ κ Λ λ Μ μ Ν ν Ξ ξ Ο ο Π π Ρ ρ Σ σ ς Τ τ Υ υ Φ φ Χ χ Ψ ψ Ω ω {{Polytonic|}}
Cyrillic: А а Б б В в Г г Ґ ґ Ѓ ѓ Д д Ђ ђ Е е Ё ё Є є Ж ж З з Ѕ ѕ И и І і Ї ї Й й Ј ј К к Ќ ќ Л л Љ љ М м Н н Њ њ О о П п Р р С с Т т Ћ ћ У у Ў ў Ф ф Х х Ц ц Ч ч Џ џ Ш ш Щ щ Ъ ъ Ы ы Ь ь Э э Ю ю Я я ́
IPA: t̪ d̪ ʈ ɖ ɟ ɡ ɢ ʡ ʔ ɸ β θ ð ʃ ʒ ɕ ʑ ʂ ʐ ç ʝ ɣ χ ʁ ħ ʕ ʜ ʢ ɦ ɱ ɳ ɲ ŋ ɴ ʋ ɹ ɻ ɰ ʙ ⱱ ʀ ɾ ɽ ɫ ɬ ɮ ɺ ɭ ʎ ʟ ɥ ʍ ɧ ʼ ɓ ɗ ʄ ɠ ʛ ʘ ǀ ǃ ǂ ǁ ɨ ʉ ɯ ɪ ʏ ʊ ø ɘ ɵ ɤ ə ɚ ɛ œ ɜ ɝ ɞ ʌ ɔ æ ɐ ɶ ɑ ɒ ʰ ʱ ʷ ʲ ˠ ˤ ⁿ ˡ ˈ ˌ ː ˑ ̪ {{IPA|}}

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blended wing body: Sitelink, Title, Description: en

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