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Secret (Unbuilt) Projects
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Secret Early Aircraft Projects
Unbuilt and cancelled aviation projects before 1945
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Hillson Helvellyn
VictorXL188
May 5, 2020
Replies
4
Views
353
May 8, 2020
Grey Havoc
Adolphe Lachassagne Aircraft
hesham
May 6, 2020
Replies
1
Views
216
May 7, 2020
Retrofit
Boeing Medium Transport Projects,and Model-247 Unbuilt Variants
hesham
Apr 11, 2015
Replies
4
Views
2K
May 7, 2020
hesham
Bristol Type-137 Transport-Cargo Aircraft Project
hesham
May 7, 2020
Replies
0
Views
223
May 7, 2020
hesham
De Havilland DH.17
hesham
Jan 28, 2013
Replies
4
Views
2K
May 7, 2020
VictorXL188
What Was This ?
hesham
May 6, 2020
Replies
2
Views
335
May 6, 2020
Apophenia
A
Bloch unbuilt designs and prototypes
Archibald
Jan 15, 2007
2
3
4
Replies
136
Views
60K
May 6, 2020
hesham
Norman Sykes unorthodox aircraft
hesham
Aug 23, 2008
Replies
9
Views
4K
May 6, 2020
avion ancien
Guidoni Three Engines Flying Boat Project
hesham
Feb 21, 2014
Replies
4
Views
2K
May 6, 2020
Grey Havoc
Kawanishi K-90/KX-2 "Jinpu" (J3K, J6K & carrier-based A8K)
airman
Jul 7, 2008
2
3
4
Replies
148
Views
55K
May 5, 2020
Justo Miranda
J
Italian Little Known Light Aircraft
hesham
Aug 12, 2015
2
Replies
45
Views
13K
May 5, 2020
hesham
R
Delanne projects and prototypes
raravia
Jun 15, 2006
Replies
39
Views
80K
May 5, 2020
hesham
Various Henschel projects
richard
Dec 19, 2006
2
3
Replies
93
Views
34K
May 5, 2020
Flitzer
Evolution of the Spitfire: Supermarine Type 224 to 300
overscan (PaulMM)
Feb 6, 2016
Replies
14
Views
4K
May 4, 2020
Justo Miranda
J
Unknown wind tunnel model
Skyraider3D
Feb 27, 2019
Replies
14
Views
1K
May 4, 2020
VictorXL188
S
Sloane "Sea Scout", "Speed Scout" and "Sporting" Flying Boat (1914)
Stargazer2006
May 20, 2013
Replies
5
Views
2K
May 4, 2020
VictorXL188
Various Hungarian Lesser Known Designers,Airplanes and Projects
hesham
Apr 8, 2016
Replies
17
Views
5K
May 3, 2020
TorakLt
T
Mitsubishi K7M ("11-Shi Crew Trainer") (Ka-18)
windswords
May 12, 2013
Replies
14
Views
5K
May 3, 2020
VictorXL188
Early Flying Car Designs
hesham
May 27, 2008
2
Replies
60
Views
22K
May 3, 2020
hesham
Comper « Scamp » / « Fly » pusher aircraft project
hesham
Mar 14, 2008
Replies
18
Views
7K
May 2, 2020
VictorXL188
Jona J.6 Early Oblique Wing
hesham
Jul 25, 2008
Replies
15
Views
5K
May 2, 2020
steelpillow
S
Chizhevskiy BOK-3 light utility and liaison aircraft
Stargazer2006
May 8, 2013
Replies
1
Views
1K
May 2, 2020
VictorXL188
Fairey Prototypes & Projects Pre-1945
hesham
Aug 23, 2017
Replies
26
Views
5K
May 1, 2020
hesham
Old Flying Barrel Airplanes
hesham
Nov 28, 2016
Replies
5
Views
1K
May 1, 2020
Iron Felix
I
WWII fixed-gear fighter projects
cluttonfred
Jan 19, 2011
Replies
24
Views
9K
May 1, 2020
cluttonfred
G
Japanese sub-types
gerhard
Nov 20, 2009
Replies
38
Views
11K
May 1, 2020
blackkite
SNCASO SO.50 Four-Engined Monoplane Project
hesham
Dec 18, 2012
Replies
8
Views
3K
Apr 29, 2020
hesham
Voisin projects
Maveric
May 18, 2010
Replies
32
Views
6K
Apr 29, 2020
hesham
Jacquemin Aircraft
hesham
Apr 29, 2020
Replies
0
Views
168
Apr 29, 2020
hesham
S
A6M Zero competition
swallow
Feb 14, 2008
Replies
15
Views
4K
Apr 29, 2020
nuuumannn
N
R
Bleriot early Projects
raravia
May 9, 2008
Replies
8
Views
4K
Apr 29, 2020
nuuumannn
N
A
USAAF 1935 CP35-356 for bombers and winning entry Douglas X-202 - seeking any and all information
ACResearcher
Apr 22, 2020
Replies
12
Views
1K
Apr 28, 2020
overscan (PaulMM)
Blériot and SPAD Projects and Prototypes
hesham
Sep 16, 2006
2
Replies
77
Views
24K
Apr 28, 2020
Aubi
A
Vickers Early Projects & Prototypes
hesham
Nov 22, 2012
Replies
21
Views
4K
Apr 28, 2020
Schneiderman
Mosquito Highball and other experimental versions
Skyraider3D
Apr 17, 2013
Replies
22
Views
11K
Apr 28, 2020
riggerrob
R
Nieuport & General Aircraft Company Ltd
hesham
Apr 28, 2020
Replies
2
Views
147
Apr 28, 2020
Schneiderman
USA Little Known Helicopters during WWII
hesham
Feb 22, 2016
Replies
38
Views
7K
Apr 28, 2020
hesham
A
boulton Paul P.94 (single seat Defiant)
Archibald
Oct 21, 2006
Replies
21
Views
11K
Apr 28, 2020
nuuumannn
N
W
British WW2 Turret Fighter Projects
Wingknut
Feb 2, 2008
2
Replies
46
Views
20K
Apr 28, 2020
nuuumannn
N
L
Douglas XB-19 "Hemisphere Defender"
lark
May 11, 2006
2
Replies
44
Views
23K
Apr 28, 2020
Apteryx
Breda aircraft
blackkite
Sep 4, 2016
Replies
21
Views
4K
Apr 28, 2020
blackkite
Focke Wulf AL-103 Variable Geometry Aircraft
Jemiba
Apr 18, 2013
Replies
3
Views
2K
Apr 27, 2020
Apophenia
Mitsubishi A5M3: a carrier-based Hisso-powered "Claude"
hesham
Sep 24, 2014
Replies
23
Views
2K
Apr 26, 2020
Hardrada55
H
Concours de la Securite en Aeroplanes (pre-WWI 'safe' aircraft competitions)
Avimimus
Feb 27, 2013
Replies
16
Views
4K
Apr 25, 2020
iverson
I
Mitsubishi Ki-20: a bomber variant of the Junkers G 38
blackkite
Jan 10, 2014
2
Replies
43
Views
4K
Apr 25, 2020
blackkite
Focke Wulf Unknown Projects
hesham
Jan 1, 2013
Replies
15
Views
5K
Apr 24, 2020
Aubi
A
S
Jess Dixon and his "Flying Ginny": an untold helicopter pioneer
Stargazer2006
Aug 27, 2012
Replies
5
Views
4K
Apr 24, 2020
VictorXL188
Cunliffe-Owen O.A.2 aircraft
hesham
Apr 15, 2008
Replies
16
Views
5K
Apr 24, 2020
hesham
General Development Co. twin boom heavy transport aircraft
hesham
Aug 3, 2008
2
Replies
40
Views
15K
Apr 24, 2020
hesham
P.13/36 Bomber Proposals
hesham
Jun 2, 2008
Replies
22
Views
7K
Apr 24, 2020
nuuumannn
N
S
Igo Etrich and the origins of bio-design... (with the exception of ornithopters
Stargazer2006
Apr 21, 2012
2
Replies
40
Views
13K
Apr 24, 2020
nuuumannn
N
Some questions for Yakovlev Ya-series
Maveric
Nov 12, 2008
2
Replies
55
Views
20K
Apr 23, 2020
hesham
Low-powered WWII-era combat aircraft?
cluttonfred
Apr 15, 2009
2
Replies
52
Views
29K
Apr 23, 2020
jstar
Report On BV 222 + 238
Johnbr
Mar 10, 2013
Replies
2
Views
2K
Apr 22, 2020
VictorXL188
Guerchais T-6 transport and postal aircraft
hesham
Mar 10, 2013
Replies
3
Views
2K
Apr 22, 2020
VictorXL188
Stampe et Vertongen Projects and Prototypes
hesham
Mar 7, 2013
Replies
4
Views
2K
Apr 22, 2020
VictorXL188
Mikoyan-Gurevich I-270 jet fighter prototype
dan_inbox
Jan 20, 2007
Replies
16
Views
7K
Apr 22, 2020
nuuumannn
N
Société Paul Schmitt Aircraft
Avimimus
Jan 11, 2015
Replies
20
Views
7K
Apr 22, 2020
hesham
Pescara Helicopter Series
hesham
Dec 10, 2019
Replies
3
Views
613
Apr 22, 2020
dan_inbox
Focke Wulf Triebflügel
hesham
Nov 17, 2013
Replies
17
Views
2K
Apr 22, 2020
nuuumannn
N
S
Mitsubishi Jukogyo K.K. Ki-35
swallow
May 20, 2008
Replies
18
Views
9K
Apr 22, 2020
blackkite
D
Messerschmitt Me 262 HG Variants
Demon Lord Razgriz
Oct 8, 2009
2
Replies
55
Views
30K
Apr 22, 2020
nuuumannn
N
Sablatnig prototypes and projects
Jemiba
Sep 6, 2013
Replies
39
Views
17K
Apr 21, 2020
riggerrob
R
Siedek Aircraft
hesham
Apr 20, 2020
Replies
4
Views
350
Apr 21, 2020
hesham
Messerschmitt Me 264 Variants and Projects
hesham
Dec 19, 2006
2
3
Replies
90
Views
36K
Apr 20, 2020
hesham
Harold Karr-Avan Tandem Airplane
hesham
Jan 18, 2013
Replies
4
Views
1K
Apr 19, 2020
hesham
French Competition of 1930 for HA 2 Aircraft
hesham
Jun 8, 2009
Replies
7
Views
4K
Apr 19, 2020
hesham
E
Daimler Klemm L-21
ermeio
May 1, 2012
Replies
2
Views
3K
Apr 19, 2020
ermeio
E
Kawasaki Ki-91 long range heavy bomber
hesham
Aug 29, 2006
2
3
Replies
81
Views
32K
Apr 19, 2020
Grey Havoc
Lufthansa 1938 Trans-Atlantic competition
Skybolt
Aug 31, 2006
Replies
7
Views
5K
Apr 19, 2020
Grey Havoc
Peter & W P English VTOL aircraft of 1908
hesham
May 13, 2012
Replies
2
Views
2K
Apr 19, 2020
dan_inbox
Mitsubishi Ki-67 Variants and Derivatives (Ki-69, 109, 167)
blackkite
May 31, 2012
2
Replies
65
Views
26K
Apr 19, 2020
blackkite
C
Nicolas Florine Pre-War Helicopter Prototypes and Projects
ChuckAnderson
Dec 1, 2006
Replies
8
Views
4K
Apr 18, 2020
hesham
ChAI.2
Maveric
Dec 9, 2012
Replies
2
Views
1K
Apr 18, 2020
hesham
J
Cantieri Aeronautici Bergamaschi
Jan den Das
Nov 16, 2012
Replies
12
Views
4K
Apr 18, 2020
VictorXL188
Various Dornier Prototypes & Projects
hesham
Nov 7, 2006
2
3
4
Replies
144
Views
50K
Apr 18, 2020
blackkite
Various Latécoère project
blackkite
Nov 25, 2017
Replies
20
Views
3K
Apr 17, 2020
hesham
Various pre-war Soviet projects
hesham
Jul 13, 2006
5
6
7
Replies
263
Views
74K
Apr 17, 2020
hesham
Crouch-Bolas light transport project
hesham
Mar 14, 2008
Replies
13
Views
8K
Apr 17, 2020
VictorXL188
Miller-Hawk « Time Flies »
hesham
Dec 11, 2012
Replies
3
Views
2K
Apr 17, 2020
VictorXL188
R
Junkers Projects and Prototypes 1919 - 1939
raravia
Mar 29, 2006
3
4
5
Replies
165
Views
76K
Apr 16, 2020
hesham
S
Very early French helicopters: Santos-Dumont, Bréguet, Cornu...
Stargazer2006
May 20, 2013
Replies
35
Views
9K
Apr 16, 2020
hesham
Focke-Wulf swept-wing pusher fighter with contra-rotating propellers
blackkite
Nov 29, 2012
2
3
Replies
91
Views
32K
Apr 15, 2020
blackkite
Rocket Torpedo Aircraft Projects
hesham
Nov 29, 2012
Replies
4
Views
2K
Apr 15, 2020
VictorXL188
Olkhovski VM 'Torpedo'
VictorXL188
Apr 15, 2020
Replies
0
Views
268
Apr 15, 2020
VictorXL188
Olkhovski twin-boom biplane of 1917
hesham
Nov 23, 2012
Replies
1
Views
1K
Apr 15, 2020
VictorXL188
Various Rikugun Designs and Prototypes
hesham
Nov 1, 2006
Replies
26
Views
8K
Apr 15, 2020
Noveos
N
T
Clark GA-46 (Fairchild F-46) duramold aircraft
tallguy
Oct 17, 2012
Replies
8
Views
3K
Apr 14, 2020
Aubi
A
Blackburn T.R.1 Sprat aircraft with float
hesham
Nov 9, 2012
Replies
1
Views
2K
Apr 14, 2020
VictorXL188
Zeppelin projects
Skybolt
Aug 3, 2006
2
Replies
78
Views
28K
Apr 13, 2020
PMN1
P
W
Bomber A contenders
Wurger
Jul 6, 2008
2
Replies
45
Views
20K
Apr 13, 2020
KJ_Lesnick
K
O
British manned ventral turrets?
one13
Aug 30, 2011
2
Replies
50
Views
7K
Apr 13, 2020
CJGibson
Boeing B-29 Pre-Projects and Development
hesham
Dec 11, 2007
Replies
15
Views
6K
Apr 12, 2020
ACResearcher
A
T
IJN experimental foreign aircraft
tom!
Mar 28, 2020
Replies
18
Views
1K
Apr 12, 2020
blackkite
M
Boulton-Paul P.88
merlin
Sep 25, 2010
Replies
12
Views
4K
Apr 12, 2020
nuuumannn
N
M
Messerschmitt "KRACH"
moin1900
Feb 3, 2008
Replies
19
Views
11K
Apr 11, 2020
Basil
B
M
Me 262 - Projects, Pre-Projects And Variants
moin1900
Jun 13, 2009
6
7
8
Replies
282
Views
91K
Apr 11, 2020
hesham
Various Arado Prototype & Projects
hesham
Oct 29, 2007
2
3
4
Replies
123
Views
38K
Apr 11, 2020
hesham
A
Arado Ar 234 projects and variants
Akaikaze
Feb 6, 2007
2
3
Replies
89
Views
30K
Apr 11, 2020
hesham
Little-known pre-war Spanish aircraft
Maveric
Jun 8, 2012
Replies
33
Views
21K
Apr 10, 2020
Apophenia
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