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List of experimental aircraft

By Wikipedia,
the free encyclopedia,

https://en.wikipedia.org/wiki/List_of_experimental_aircraft

This is a list of experimental aircraft, or aircraft used or built to conduct experiments involving aerodynamics, structural materials, propulsion systems, configuration and equipment. Prototypes, pre-production and homebuilt aircraft described as experimental but which were not used in this manner outside their own development are excluded.

A group of 1950s NACA research aircraft

A group of 1950s NACA research aircraft

Argentina

  • FMA I.Ae. 37 glider

Australia

  • GAF Pika – manned test craft for drone program

Brazil

  • Baumgartl PB-60 — towed experimental rotor kite

Canada

Canadair CL-84 Dynavert tilt-wing VTOL research aircraft

Canadair CL-84 Dynavert tilt-wing VTOL research aircraft

  • AEA Silver Dart – first aircraft to fly in Canada
  • Avro Canada Avrocar — ducted fan VTOL
  • Birdman Project 102
  • Canadair CL-52 — jet engine testbed (converted Boeing B-47)
  • Canadair CL-84 — tilt-wing VTOL
  • de Havilland Canada C-8A Quiet Short-Haul Research Aircraft
  • de Havilland Canada C-8A Air-Cushion Landing System
  • de Havilland Canada C-8A Augmentor Wing
  • Marsden Gemini — variable-geometry glider
  • NRC tailless glider — tailless flying wing
  • UTIAS Ornithopter No.1

France

Breguet-Dorand Gyroplane Laboratoire

Breguet-Dorand Gyroplane Laboratoire

  • Aérocentre NC.130 — high-altitude flight
  • Aérospatiale Ludion — thrust vectored rocket VTOL
  • Arsenal-Delanne 10 — tandem wing
  • Arsenal VG 70 — high speed research
  • Arsenal O.101 — aerodynamic research
  • Arsenal 2301/SFECMAS 2301 and SFECMAS 1301 — supersonic research glider
  • Breguet-Dorand Gyroplane Laboratoire — experimental helicopter
  • Breguet-Richet Gyroplane — helicopter
  • Breguet Laboratoire Eiffel [fr] — monoplane testbed
  • Dassault Balzac V — VTOL testbed
  • Dassault Mirage IIIV — VTOL testbed
  • Dassault Milan — canard research
  • Dassault Mirage G — variable geometry
  • Dassault LOGIDUC — unmanned combat aerial vehicle development
  • Dassault nEUROn – UCAV technology demonstrator
  • Farman F.1010 — heavy cannon flight testing
  • Farman F.1020 — semi-circular wing
  • Fouga Gemeaux — engine testbed
  • Gastambide-Levavasseur Variable Surface Aircraft — variable chord wing testbed
  • Gérin Varivol — variable chord wing testbed
SNECMA Coléoptère experimental tailsitter in 1959

SNECMA Coléoptère experimental tailsitter in 1959

  • Hanriot HD.28 – one example was tested a vee tail
  • Hurel-Dubois HD.10 – very high aspect ratio wings
  • Leduc 0.10 – ramjet
  • Leduc 0.21 – ramjet
  • Makhonine Mak-10 – variable span wing
  • Nord 500 – VTOL tilt ducted fan research aircraft
  • Nord 1402/1405 Gerfaut – delta wing research aircraft
  • Nord 1500 Griffon — ramjet
  • Nord 1601 – swept wing research aircraft
  • Payen PA-22 — tandem delta/normal wings
  • Payen Pa 49 — tandem delta/normal wings
  • Potez-CAMS 160 — 5/13 scale six engine aerodynamic testbed for development of CAMS 161
  • Robin X4 — materials and configuration testbed
  • SNECMA Atar Volant — vertical lift jet
  • SNECMA Coléoptère — vertical lift annular wing
  • Sud Est SE-1210 scale aerodynamic testbed for SE-1200 transatlantic flying boat
  • Sud-Ouest Ariel – tip jet rotor helicopter
  • Sud-Ouest Farfadet — convertiplane
  • Sud-Ouest Triton – first French jet aircraft

Finland

  • Adaridi AD 3

Germany

Dornier Do 29 tilt rotor STOL

Dornier Do 29 tilt rotor STOL

  • Akaflieg Berlin B 9 – prone pilot
  • Akaflieg Darmstadt/Akaflieg München DM1 – delta wing
  • Albatros L.81 — elektron metal structure testbed
  • AVA AF 1 – augumented lift
  • DFS 194 – tailless rocket aircraft used in development of Me 163
  • DFS 346 – supersonic reconnaissance aircraft used for research
  • Dassault/Dornier Alpha Jet TransSonische Tragflügel (TST) — transonic supercritical wing research
  • Dornier Do 29 – tilt rotor STOL
Heinkel He 178 pioneering turbojet-powered aircraft

Heinkel He 178 pioneering turbojet-powered aircraft

  • Dornier Do 31 – VTOL transport
  • Fieseler Fi 158 — testbed for radio control system
  • Flettner airplane – Magnus effect test vehicle
  • Flettner Fl 185 — gyrodyne
  • Focke-Wulf F 19 – multi-engined canard
  • Focke-Wulf Fw 61 – first practical helicopter
  • Fokker V.1 — structures and aerodynamics testbed
  • Göppingen Gö 8 — development aircraft for Do 214
  • Göppingen Gö 9 – pusher (behind tail) aerodynamic testbed for Dornier Do 335 development
  • Gotha G.VI — asymmetric flying surfaces
  • Gotha Go 147 – tailless research aircraft
Opel RAK.1 rocket engine research aircraft

Opel RAK.1 rocket engine research aircraft

  • Heinkel He 119 – high-performance research aircraft
  • Heinkel He 176 – rocket research aircraft
  • Heinkel He 178 – jet engine research aircraft
  • Horten H.III — flying wing
  • Horten H.IV — flying wing
  • Horten Ho VI — flying wing
  • Junkers J 1 – pioneering all-metal cantilever monoplane (1915)
  • Junkers EF 61 – pressurization
  • Junkers Ju 49 – high-altitude test aircraft
  • Lippisch Delta IV – delta wing
  • Lippisch Ente – rocket-powered canard
  • Lippisch P.13a — delta wing and use of coal
  • Messerschmitt Me P.1101 — variable geometry (swing-wing) jet
  • Opel RAK.1 – rocket propulsion
  • RFB X-113 – wing in ground effect vehicle
  • RFB X-114 – wing in ground effect vehicle
  • Sack AS-6 – disk wing
  • VFW VAK 191B – VTOL fighter
  • Zeppelin-Lindau (Dornier) V1 — all-metal stressed skin construction biplane

Italy

Caproni-Campini N.1/CC.2 experimental motorjet and second jet aircraft to fly

Caproni-Campini N.1/CC.2 experimental motorjet and second jet aircraft to fly

  • Ambrosini Sagittario – swept wing research aircraft
  • Bossi-Bonomi Pedaliante — man-powered aircraft
  • Caproni Campini N.1 – jet engine research
  • Jona J-6 — tilting wing stabilisation system
  • Lualdi-Tassotti ES 53 — gyro stabilized helicopter
  • Piaggio P.111 – high-altitude research
  • S.C.A. SS.2 – experimental canard
  • S.C.A. SS.3 Anitra – experimental canard
  • Stipa-Caproni – ducted prop research

Poland

  • Flugtechnische Fertigungsgemeinschaft Prag FGP 227 – scale proof of concept for German BV 238

Japan

Gasuden Koken

Gasuden Koken

  • Gasuden Koken – long range experimental aircraft
  • Honda MH02 — materials and engine placement
  • Kawasaki Ki-78 — high speed research aircraft
  • Kayaba Ku-2 — tailless glider
  • Kayaba Ku-3 — tailless glider
  • Kayaba Ku-4 — tailless research aircraft
  • Kimura HK-1 — tailless glider
  • Mitsubishi RP-1 — experimental helicopter
  • MXY-6 – canard scale testbed for Kyushu J7W
  • Shin Meiwa UF-XS – proof of concept demonstrator for Shin Meiwa US-1A

Russia/Soviet Union

Antonov A-40 tank glider

Antonov A-40 tank glider

Bartini Beriev VVA-14 Ekranoplan

Bartini Beriev VVA-14 Ekranoplan

  • Alexeyev Ekranoplans
  • Antonov A-40 – tank glider
  • Antonov 181 – custer channel wing demonstrator
  • Bartini Beriev VVA-14 – Ekranoplan
  • Bartini Stal-6 – high speed aircraft
  • Chyeranovskii BICh-3 – tailless delta research aircraft
  • Chyeranovskii BICh-11 – flying wing to test wingtip rudders
  • Chyeranovskii BICh-16 – human-powered ornithopter
  • Chyeranovskii BICh-18 – human-powered ornithopter
  • Chizhevski BOK-1 – high-altitude research aircraft
  • Chizhevski BOK-5 – tailless research aircraft
  • Grigorovich I-Z – recoilless cannon evaluation
  • Grushin Octyabrenok – tandem wing
  • Kozlov PS – invisible aircraft (covered in transparent material)
  • MAI EMAI – magnesium construction
  • Mikoyan-Gurevich MiG-8 Utka – pusher canard proof of concept (1945)
  • Mikoyan-Gurevich MiG-105 – lifting body
  • Mikoyan Project 1.44 – technology demonstrator
  • Mikoyan-Gurevich N – mixed propulsion system
Yakovlev Yak-36 VTOL research vehicle

Yakovlev Yak-36 VTOL research vehicle

  • Moskalyev SAM-9 Strela – delta wing
  • NIAI RK – telescopic wings
  • NIAI RK-I – telescopic wings
  • Nikitin PSN-2 – glider bombers
  • Nikitin-Shevchenko IS – biplane/monoplane hybrid
  • Sukhanov Diskoplan – disk wings
  • Sukhoi T-4
  • Sukhoi T-10 – technology demonstrator
  • Sukhoi T-58VD – VTOL research aircraft
  • Sukhoi Su-47
  • Thermoplan – heavy lift lenticular-shaped hybrid airship technology demonstrator
  • Tsybin LL – forward swept wing
  • Tsybin NM-1 – proof of concept
  • Tupolev ANT-20
  • Tupolev Tu-95LAL – nuclear-powered aircraft
  • Ushakov flying submarines
  • Yakovlev Yak-36 – VTOL technology demonstrator
  • Yakovlev Yak-1000 – supersonic technology demonstrator
  • Zveno project – parasite fighters

Spain

Cierva C.6 autogiro

Cierva C.6 autogiro

  • Cierva C.4 – first autogyro to fly
  • Cierva C.6 – autogyro

Sweden

  • Saab 202 aerodynamic testbed for Saab 32 Lansen
  • Saab 210 aerodynamic testbed for Saab 35 Draken

Switzerland

  • Solar Impulse Project

Taiwan

  • Chu Hummingbird — experimental helicopter

United Kingdom

Avro 707 research aircraft in formation with Avro Vulcan bomber prototypes

Avro 707 research aircraft in formation with Avro Vulcan bomber prototypes

Fairey Delta 2 research aircraft

Fairey Delta 2 research aircraft

Gloster E.28/39 jet engine research aircraft

Gloster E.28/39 jet engine research aircraft

Miles M.35 Libellula canard research aircraft

Miles M.35 Libellula canard research aircraft

  • Armstrong Whitworth Ape – aerodynamic test vehicle
  • Armstrong Whitworth A.W.52 — flying wing
  • Avro 707 – aerodynamic proof of concept for Avro Vulcan delta wing bomber
  • Avro Ashton – jet engine research vehicle based on Avro Tudor
  • BAC 221 – modified Fairey Delta 2 for high speed delta research
  • Baynes Bat — experimental tailless glider
  • Blackburn B-20 — retractable hull seaplane
  • Boulton Paul P.6 – used for wing research
  • Boulton Paul P.92 – half-scale proof of concept
  • Boulton Paul P.111 — delta-wing research aircraft
  • Boulton Paul P.120 — delta-wing research aircraft
  • Bristol 138 – high-altitude research aircraft
  • Bristol 188 — high speed flight research
  • British Aerospace EAP – technology demonstrator
  • Cierva W.9 – experimental helicopter with anti-torque jet efflux
  • de Havilland DH 108 Swallow – swept wing tailless transsonic research aircraft
  • English Electric P.1A — supersonic research aircraft
  • Fairey Delta 1 — delta-wing research aircraft
  • Fairey Delta 2 — delta-wing research aircraft
  • Fairey Jet Gyrodyne – jet-powered rotor
  • Folland Fo.108 – engine test bed
  • General Aircraft GAL.56 — tailless swept wing glider
  • Gloster E.28/39 – early jet engine research
  • Gloster Meteor F8 «Prone Pilot» – prone position flight control research
  • Gloster Trent Meteor — turboprop propulsion
  • Hafner A.R.III Gyroplane – experimental autogyro
  • Handley Page H.P.17 – aerodynamic slot research
  • Handley Page H.P.20 – aerodynamic slot research
  • Handley Page H.P.75 Manx – tailless flight research
  • Handley Page HP.88 – supporting development of Handley Page Victor
  • Handley Page HP.115 – low speed delta-wing research
  • Hawker P.1052 — swept wing testbed that led to the Hawker Hunter
  • Hawker P.1072 — testbed for Armstrong Siddeley Snarler rocket booster
  • Hawker P.1127 – experimental V/STOL combat aircraft development aircraft that led to the Hawker Harrier
  • Hillson Bi-mono – slip-wing research
  • Hunting H.126 – blown flap research
  • Miles M.3E Gillette Falcon – high speed flight research
  • Miles M.30 – blended wing body design
  • Miles M.35 Libellula – tandem-wing fighter testbed
  • Miles M.39B Libellula – tandem-wing research
  • Miles M.52 – supersonic flight research
  • Parnall Parasol — wing pressure and aileron testing
  • Parnall Peto — experimental submarine-launched aircraft.
  • Parnall Prawn — flying boat testing buried engine with variable-angle thrust line
  • Reid and Sigrist R.S.4 Bobsleigh — prone-pilot research
  • Rolls-Royce Thrust Measuring Rig – low speed VTOL control test rig
Rolls-Royce thrust measuring rig VTOL testbed

Rolls-Royce thrust measuring rig VTOL testbed

  • Saro Shrimp — experimental half-scale flying boat for development of cancelled Saunders-Roe S.38
  • Saunders-Roe SR.53 — mixed rocket/jet propulsion development aircraft for cancelled Saunders-Roe SR.177
  • Short Cockle – tested metal construction techniques for flying boat hulls
  • Short Mayo Composite – tested piggyback aircraft concept
  • Short Mussel – testing metal construction techniques for aircraft floats
  • Short S.6 Sturgeon – tested aluminium construction techniques for aircraft
  • Short S.31 — half-scale model for Short Stirling development
  • Short SB.1 – tailless glider for isoclinic wing research
  • Short SB.4 Sherpa — improved, powered version of Short SB.1
  • Short SB.5 – prove/develop wing for English Electric Lightning
  • Short SC.1 – VTOL research
  • Short Silver Streak — stressed skin construction, developed into Short Springbok
  • Supermarine 508 – development aircraft with vee tail
  • Supermarine 525 — swept wing development aircraft for Supermarine Scimitar program
  • Vickers Type 618 Nene-Viking – jet engine testbed
  • Vickers Type 470 and Type 486 Wellington – Whittle jet engine testbeds
  • Vickers Type 602 Wellington Mark X – Rolls-Royce Dart turboprop testbed
  • Westland-Hill Pterodactyl — series of tailless monoplanes
  • Youngman-Baynes High Lift — testbed for Youngman flaps

United States

Bell X-1 supersonic research aircraft

Bell X-1 supersonic research aircraft

Bell X-5 variable-sweep wing testbed

Bell X-5 variable-sweep wing testbed

North American X-15 hypersonic rocket-powered research aircraft

North American X-15 hypersonic rocket-powered research aircraft

X-planes

  • Bell X-1 sound barrier
  • Bell X-2 Mach 2–3 supersonic flight
  • Douglas X-3 Stiletto sustained supersonic flight
  • Northrop X-4 Bantam tailless aircraft
  • Bell X-5 variable-sweep wing
  • Convair X-6 nuclear reactor test aircraft (for future nuclear-powered aircraft)
  • Lockheed X-7 «flying stove pipe» unmanned ramjet and guidance test missile
  • Aerojet General X-8 sounding rocket (became Aerobee)
  • Bell X-9 Shrike guided missile
  • North American X-10 unmanned missile technology demonstrator
  • Convair X-11 single engine missile testbed for Atlas
  • Convair X-12 three engine missile testbed for Atlas
  • Ryan X-13 Vertijet tail sitter VTOL jet
  • Bell X-14 thrust vectoring VTOL jet
  • North American X-15 hypersonic rocket-powered research aircraft (Mach 6)
  • Lockheed X-17 research rocket testing high mach re-entry
  • Hiller X-18 tiltwing STOVL cargo aircraft
  • Curtiss-Wright X-19 VTOL tiltrotor
  • X-20 Dyna-Soar spaceplane program (cancelled)
  • Northrop X-21 laminar flow wing
  • Bell X-22 ducted fan V/STOL
  • Martin Marietta X-23 Prime lifting body reentry
  • Martin-Marietta X-24 lifting body test aircraft
  • Bensen X-25 single-seat autogyro
  • Schweizer X-26 Frigate sailplane
  • Lockheed X-27 Lancer proposed high-performance technology demonstrator based on Lockheed CL-1200 (only mockup built)
  • Pereira X-28A Sea Skimmer single-seat flying boat evaluated by US Navy
Grumman X-29 forward swept wing and stability research aircraft

Grumman X-29 forward swept wing and stability research aircraft

  • Grumman X-29 forward-swept wing test aircraft
  • Rockwell X-30 single-stage-to-orbit spacecraft (cancelled)
  • Rockwell-MBB X-31 extreme angle of attack test aircraft
  • Boeing X-32 Joint Strike Fighter Program entry (lost to X-35)
  • Lockheed Martin X-33 unmanned scale demonstrator for VentureStar single stage to orbit spacecraft
  • Orbital Sciences X-34 reusable launch vehicle testbed (only unpowered prototype built)
  • Lockheed Martin X-35 Joint Strike Fighter Program entry winner; became F-35 Lightning II
  • McDonnell Douglas X-36 tailless fighter research agility aircraft
  • Boeing X-37 reusable unmanned spacecraft
  • NASA X-38 crew return vehicle for International Space Station (cancelled after tests)
  • X-39 reserved for USAF/DARPA program use
  • Boeing X-40 Space Maneuver Vehicle testbed X-37 guidance and flight characteristics
  • X-41 Common Aero Vehicle classified DARPA/NASA maneuvering re-entry vehicle
  • X-42 Pop-Up Upper Stage classified rocket upper stage
  • NASA X-43 Hyper-X hypersonic scramjet
  • Lockheed Martin X-44 MANTA multi-axis tailless aircraft concept
  • Boeing X-45 unmanned combat air vehicle
  • Boeing X-46 unmanned combat air vehicle (proposal only)
  • Northrop Grumman X-47 Pegasus unmanned combat air vehicle
  • Boeing X-48 blended wing aircraft
  • Piasecki X-49 compound helicopter technology demonstrator
  • Boeing X-50 Dragonfly gyrodyne unmanned aerial vehicle
  • Boeing X-51 Mach 5+ scramjet missile demonstrator
  • X-53 Active Aeroelastic Wing wing warping flight demonstrator
  • Gulfstream X-54 supersonic boom intensity research and demonstration aircraft
  • Lockheed Martin X-55 advanced composites technology demonstrator
  • Lockheed Martin X-56 flutter suppression and gust load testing unmanned testbed

Other US experimental aircraft

US Army Bell 533 high speed helicopter research aircraft

US Army Bell 533 high speed helicopter research aircraft

XFV-12A on ramp at NAA in Columbus, Ohio

XFV-12A on ramp at NAA in Columbus, Ohio

Scaled Composites Proteus in flight during 2002 for US Department of Energy ARM-UAV program

Scaled Composites Proteus in flight during 2002 for US Department of Energy ARM-UAV program

  • Acme Sierra – pusher configuration
  • ALTUS, Pathfinder and Helios were NASA’s NASA Environmental Research Aircraft and Sensor Technology experimental aircraft
  • AstroFlight Sunrise
  • Ball-Bartoe Jetwing – blown wing research
  • Bell D-292 – Advanced Composite Airframe Program
  • Bell L-39 – swept wing research
  • Bell Model 65 – tiltjet VTOL
  • Bell XV-15 – tiltrotor VTOL and precursor to V-22 Osprey
  • Bell 533 – a modified UH-1B helicopter used by the US Army for experimentation with various high speed technology enhancements
  • Boeing ecoDemonstrator – three aircraft (as of 2016) used to test fuel efficiency and noise reduction technology for airliners
  • Budd BB-1 Pioneer – stainless steel construction
  • Burnelli RB-1 – lifting body proof of concept vehicle
  • Chrysler VZ-6 – ducted fan
  • Convair NB-36 – nuclear propelled aircraft testbed
  • Curtiss-Wright VZ-7
  • Curtiss-Wright X-100 – tilt rotor VTOL (developed into X-200 and X-19)
  • Custer Channel Wings
  • DARPA Falcon Project
  • Doak VZ-4 – tilt-fan VTOL
  • Douglas D-558-I Skystreak – supersonic research
  • Douglas D-558-II Skyrocket – supersonic research
  • Fairchild VZ-5 – deflected air VTOL
  • Farrar LSG-1 Bird Flight Machine
Lockheed Vega Winnie Mae high-altitude research aircraft – confirmed existence of jet stream

Lockheed Vega Winnie Mae high-altitude research aircraft – confirmed existence of jet stream

  • Gee Bee Model Q – canard built to test concept
  • General Dynamics F-16XL – cranked delta wing strike fighter; F-15E Competitor
  • General Dynamics F-16 VISTA – variable stability
  • Gossamer Albatross – human-powered flight
  • Gossamer Condor – human-powered flight
  • Hiller VZ-1 Pawnee – direct lift rotor platform
  • Johns Multiplane — Seven wing heavy aircraft
  • Kaman K-125 – experimental intermesh rotor helicopter
  • Kaman K-16 – modified Grumman Goose Xused for V/STOL research
  • Lockheed Altair8-G – twinned engine testbed (both engines were in a single cowl)
  • Lockheed Have Blue – Stealth technology demonstrator
  • Lockheed Vega Winnie Mae – high-altitude research – confirmed existence of jet stream
  • Lockheed QT-2 – Quiet Thruster noise suppression experiments
  • Lockheed XC-35 – pressurized cabin development
Lifting body research aircraft – from left to right, X-24A, M2-F3 and HL-10

Lifting body research aircraft – from left to right, X-24A, M2-F3 and HL-10

  • Lockheed XV-4 Hummingbird – jetlift VTOL
  • LTV XC-142 – VTOL transport
  • Martin 162A Tadpole Clipper – proof of concept aircraft
  • Martin XB-26H Marauder – tandem undercarriage
  • NASA AD-1 Oblique Wing
  • NASA Hyper III
  • NASA M2-F1 — lifting body/re-entry vehicle
  • NASA Pathfinder — solar-powered aircraft
  • Northrop F-5 Shaped Sonic Boom Demonstrator – shockwave reduction
Northrop N-9M flying wing

Northrop N-9M flying wing

  • Northrop HL-10 – lifting body/re-entry vehicle research
  • Northrop M2-F2 – lifting body/re-entry vehicle research
  • Northrop M2-F3 – lifting body/re-entry vehicle research
  • Northrop N-1M – flying wing research
  • Northrop N-9M – flying wing proof of concept aircraft for Northrop YB-35
  • Northrop Tacit Blue – Stealth technology demonstrator
  • Piasecki PV-2 – helicopter technology demonstrator
  • Piasecki VZ-8 Airgeep – liftfan VTOL research
  • Republic XF-84H «Thunderscreech» – supersonic propellor
  • Republic XF-91 Thunderceptor – inversely tapered swept wing
  • Rockwell HiMAT — Maneuverability and control research
  • Rotary Rocket Roton
  • Ryan VZ-3 Vertiplane – blown flap VTOL research
  • Ryan XV-5 Vertifan – fan lift VTOL research
  • Sawyer Skyjacker II – Low aspect ratio research aircraft
Vought V-173 disk wing research aircraft

Vought V-173 disk wing research aircraft

  • Scaled Composites Proteus — telecommunication relay testbed
  • Schweizer SGS 1-29 — laminar flow research
  • Sikorsky S-69 – compound co-axial research
  • Sikorsky S-72 – helicopter/aircraft hybrid research
  • Sikorsky S-75 – Advanced Composite Aircraft Program
  • Sikorsky S-76 SHADOW – Sikorsky Helicopter Advanced Demonstrator and Operator Workload
  • Stinson L-1 Vigilant – 1 example modified for boundary layer experiments
  • Travel Air 2000 Besler steam aircraft
  • Vertol VZ-2 – tilt wing VTOL research
  • Vought V-173 «Flying Pancake» – disk wing research for Vought XF5U
  • Vought V-326 – high-altitude test aircraft
  • Vought-Sikorsky VS-300 – helicopter



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Published in April 2019.












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