Menu
Home
Forums
New posts
Search forums
What's new
New posts
Latest activity
Members
Registered members
Current visitors
Log in
Register
What's new
Search
Search
Everywhere
Threads
This forum
Search titles only
By:
New posts
Search forums
Menu
Log in
Register
Hi Guest! Forum rules have been updated. All users please read
here.
Home
Forums
Secret (Unbuilt) Projects
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
Secret Space Projects
Unbuilt and cancelled rocket and spacecraft projects.
1
2
3
…
Go to page
Go
11
Next
1 of 11
Go to page
Go
Next
Last
Filters
Show only:
Loading…
Sticky
Before you create a new topic...
overscan (PaulMM)
Jan 24, 2007
Replies
0
Views
24K
Jan 24, 2007
overscan (PaulMM)
F
Dragonfly mission to Titan
Flyaway
Jun 27, 2019
Replies
13
Views
1K
Today at 7:53 AM
Flyaway
F
B
MOL
Barrington Bond
Mar 27, 2008
6
7
8
Replies
285
Views
106K
Yesterday at 3:45 PM
blackstar
B
A
US Lifting Bodies Studies - START (ASSET/PRIME), FDL, X-24, etc.
Archibald
Sep 5, 2006
9
10
11
Replies
412
Views
179K
Wednesday at 9:49 PM
RanulfC
R
F
Firefly Aerospace
Flyaway
Oct 19, 2019
Replies
2
Views
869
Wednesday at 9:11 PM
fredymac
F
Rockwell International Star-Raker
overscan (PaulMM)
Nov 26, 2008
2
Replies
51
Views
28K
Tuesday at 9:39 PM
7Daniel13
7
NASA Space Launch System (SLS)
Johnbr
Sep 14, 2011
13
14
15
Replies
563
Views
126K
Tuesday at 8:38 PM
TomcatViP
T
F
SBIRS
Flyaway
Jan 10, 2020
Replies
1
Views
599
Sunday at 7:42 PM
Flyaway
F
S
UK Nuclear rocket.
Spark
Jul 9, 2012
Replies
12
Views
4K
Sep 19, 2020
Vonbaron
V
B
British Manned Spacecraft
Barrington Bond
Apr 8, 2008
2
Replies
72
Views
34K
Sep 19, 2020
Deltafan
Project Orion/Project Daedalus
shadowcat48li
Nov 12, 2008
2
Replies
55
Views
21K
Sep 18, 2020
natewillcome4you
N
Various South African Space projects,concepts and associated equipment
Graugrun
Oct 12, 2014
Replies
16
Views
6K
Sep 17, 2020
Graugrun
Vega - Europe's Newest Rocket
Johnbr
Feb 10, 2012
Replies
34
Views
11K
Sep 16, 2020
Flyaway
F
P
Dynasoar
PMN1
Dec 4, 2007
6
7
8
Replies
309
Views
135K
Sep 15, 2020
antigravite
A
TIMBERWIND
marauder2048
Sep 12, 2020
Replies
2
Views
376
Sep 14, 2020
quellish
Bendix Dual Mode LRV
Graham1973
Jul 14, 2011
Replies
12
Views
5K
Sep 14, 2020
Archibald
A
United Launch Alliance introduces Vulcan next generation launcher
bobbymike
Apr 14, 2015
3
4
5
Replies
165
Views
31K
Sep 12, 2020
Flyaway
F
Lunar Gateway
Grey Havoc
Sep 22, 2018
Replies
27
Views
4K
Sep 12, 2020
Grey Havoc
Air Staff Target 9003 Photo-Reconaissance Satellite (Early 1960s)
A Tentative Fleet Plan
Sep 10, 2020
Replies
6
Views
310
Sep 11, 2020
CJGibson
F
Nancy Grace Roman Telescope
Flyaway
Nov 27, 2017
2
Replies
45
Views
4K
Sep 10, 2020
fredymac
F
Space Suit Prototypes (like Grumman Moon Suit, Republic etc)
Michel Van
Nov 23, 2008
3
4
5
Replies
181
Views
98K
Sep 9, 2020
Iron Felix
I
DARPA Blackjack
bobbymike
Feb 22, 2019
Replies
8
Views
3K
Sep 5, 2020
KJ_Lesnick
K
Chinese 863-706 project, an H-6 launched MSP?
overscan (PaulMM)
Dec 11, 2007
2
Replies
41
Views
22K
Sep 4, 2020
krislhull
K
P
To the Moon by Gemini?
PMN1
Dec 3, 2007
2
Replies
53
Views
27K
Sep 3, 2020
archipeppe
S
Redirect
Reaction Engines SABRE engine (Skylon Spaceplane)
SteveO
Sep 9, 2007
Replies
–
Views
–
N/A
Manned "Cloudbase" in Venus Atmosphere
Michel Van
Jan 17, 2012
2
Replies
43
Views
31K
Sep 1, 2020
Dilandu
Molniya MAKS-OS
Triton
Apr 13, 2009
Replies
20
Views
12K
Aug 31, 2020
fightingirish
F
British Spaceflight
Flyaway
Jun 28, 2017
Replies
12
Views
3K
Aug 30, 2020
Grey Havoc
F
US space station
fockewulf261
Mar 15, 2009
2
Replies
41
Views
18K
Aug 24, 2020
RanulfC
R
Boeing AMLLV (Advanced Multipurpose Large Launch Vehicle)
XP67_Moonbat
Mar 23, 2010
Replies
17
Views
9K
Aug 20, 2020
Gerald Roberts
G
Grumman Space Shuttle : Design 518 & Design 532
overscan (PaulMM)
Aug 6, 2018
Replies
6
Views
2K
Aug 18, 2020
Crackerbarrel67
F
NG Mission Extension Vehicle
Flyaway
Oct 9, 2019
Replies
9
Views
2K
Aug 18, 2020
Flyaway
F
Project Constellation
saturncanuck
Jan 23, 2009
2
Replies
65
Views
23K
Aug 16, 2020
Archibald
A
F
Upgrading Russia’s fleet of optical reconnaissance satellites
Flyaway
Aug 11, 2020
Replies
0
Views
174
Aug 11, 2020
Flyaway
F
B
Space Station Concepts
Barrington Bond
Apr 7, 2008
2
3
4
Replies
151
Views
51K
Aug 9, 2020
Paul Lloyd
P
Lunar Mission One
Grey Havoc
Nov 19, 2014
Replies
5
Views
3K
Aug 9, 2020
Springtime
F
Due to concerns about engine, Juno to remain in elongated Jupiter orbit
Flyaway
Feb 18, 2017
Replies
7
Views
3K
Aug 8, 2020
Flyaway
F
A
Various Indian space projects
antigravite
Nov 17, 2008
2
Replies
64
Views
12K
Aug 5, 2020
Michel Van
Space-X DRAGON (manned/unmanned) capsule.
Matej
May 24, 2009
9
10
11
Replies
418
Views
79K
Aug 3, 2020
TomS
Douglas MARS Model 2235 aerospaceplane
Orionblamblam
Aug 14, 2009
Replies
12
Views
5K
Aug 2, 2020
Archibald
A
F
Stratolaunch
Flyaway
Sep 27, 2019
2
Replies
55
Views
5K
Aug 1, 2020
Flyaway
F
R
Krafft Ehricke, Vulcan I and Vulcan II Launch Vehicle Concepts
RanulfC
Jul 31, 2020
Replies
0
Views
220
Jul 31, 2020
RanulfC
R
AMSCI/ALSV - Air-launched mini shuttles from early 1980s - help needed
flateric
Nov 9, 2007
3
4
5
Replies
170
Views
79K
Jul 28, 2020
archipeppe
Virgin Galactic's orbital plans
FutureSpaceTourist
Oct 23, 2010
2
3
4
Replies
149
Views
34K
Jul 26, 2020
TomcatViP
T
BOR/Uragan
boxkite
Sep 28, 2006
Replies
11
Views
6K
Jul 26, 2020
archipeppe
SKYRORA - UK return to Space - This time it's Private
Michel Van
Oct 21, 2019
Replies
15
Views
2K
Jul 24, 2020
Flyaway
F
A
Rods from God / "Project Thor"
antigravite
Nov 11, 2018
2
3
Replies
91
Views
12K
Jul 21, 2020
Grey Havoc
RHESE (Radiation Hardened Electronics for Space Environments)
Grey Havoc
Jul 20, 2020
Replies
0
Views
154
Jul 20, 2020
Grey Havoc
A
DC-X Delta Clipper
avatar
Feb 23, 2008
2
Replies
78
Views
34K
Jul 18, 2020
High Keas
H
Big Gemini
Michel Van
Apr 21, 2008
2
3
Replies
110
Views
41K
Jul 18, 2020
Bhurki
F
Spektr-RG X-Ray observatory
Flyaway
Jul 13, 2019
Replies
23
Views
2K
Jul 16, 2020
Flyaway
F
Dream Chaser for CEV requirement
hesham
May 14, 2008
2
3
4
Replies
142
Views
53K
Jul 15, 2020
Flyaway
F
Air-Launching Satellites
XP67_Moonbat
Oct 2, 2008
2
3
Replies
104
Views
35K
Jul 13, 2020
RanulfC
R
British Old Space Launcher
hesham
Apr 21, 2008
Replies
14
Views
5K
Jul 13, 2020
RanulfC
R
F
NASA Selects Four Possible Missions to Study the Secrets of the Solar System
Flyaway
Feb 13, 2020
Replies
14
Views
1K
Jul 11, 2020
FighterJock
B
MORL
Barrington Bond
Mar 27, 2008
2
Replies
73
Views
29K
Jul 11, 2020
Crackerbarrel67
A
Air-launch from B-58 or A-12 OXCART - 1962
Archibald
Jul 3, 2020
Replies
25
Views
1K
Jul 10, 2020
blackstar
B
Hermès Space Shuttle
flateric
Jun 4, 2008
2
Replies
64
Views
31K
Jul 10, 2020
hesham
E
Chrysler Flying Disc 1957
edwest
Feb 7, 2010
Replies
5
Views
3K
Jul 10, 2020
Crackerbarrel67
P
Various Soviet top secret space projects
pol
Jan 20, 2012
Replies
21
Views
10K
Jul 8, 2020
Arjen
Latest Angara family iterations at MAKS 2007
flateric
Aug 27, 2007
Replies
15
Views
7K
Jul 7, 2020
athpilot
North American Rockwell Mars Excursion Module (MEM) model
Triton
Oct 18, 2010
Replies
6
Views
2K
Jul 4, 2020
blackstar
B
F
ESA Gaia Spacecraft
Flyaway
Jan 8, 2020
Replies
2
Views
679
Jul 2, 2020
Flyaway
F
Early Maneuverable Reentry Vehicle studies
flateric
Jan 13, 2010
2
Replies
57
Views
31K
Jul 1, 2020
Grey Havoc
M
Sänger antipodal bomber
moin1900
Aug 5, 2008
2
Replies
61
Views
27K
Jun 29, 2020
edwest
E
ESA Ariane 6
Grey Havoc
Apr 13, 2016
2
Replies
59
Views
10K
Jun 29, 2020
Flyaway
F
G
Origin of Buran, Soviet Houston story
greenmartian2017
Jun 28, 2020
Replies
4
Views
390
Jun 28, 2020
Fluff
F
C
Question about UK space program.
carmelo
May 26, 2018
Replies
19
Views
3K
Jun 28, 2020
Grey Havoc
SpaceX future launch vehicle concepts
Triton
Aug 23, 2010
2
Replies
45
Views
17K
Jun 28, 2020
Grey Havoc
P
US Space Shuttle Projects
PMN1
May 31, 2007
9
10
11
Replies
424
Views
183K
Jun 26, 2020
Grey Havoc
Mir 1 & 2
Triton
Nov 16, 2010
Replies
4
Views
3K
Jun 26, 2020
Grey Havoc
The Rocketplane XP developed from Learjet-25
hesham
May 6, 2007
Replies
33
Views
17K
Jun 20, 2020
Archibald
A
Nova launch vehicle (post-Saturn)
Triton
Aug 21, 2010
Replies
12
Views
4K
Jun 16, 2020
fredymac
F
F
VIPER Lunar Rover
Flyaway
Jun 11, 2020
Replies
2
Views
244
Jun 11, 2020
Flyaway
F
F
DART Mission
Flyaway
Jun 10, 2020
Replies
0
Views
208
Jun 10, 2020
Flyaway
F
F
Solar Probe Plus
fredymac
Mar 1, 2017
2
Replies
45
Views
8K
Jun 7, 2020
Flyaway
F
P
SERV - 1971 VTOVL alternate shuttle proposal
PMN1
Mar 9, 2009
Replies
23
Views
12K
Jun 5, 2020
RanulfC
R
S
Spiral / "50/50" TSTO
Simon666
Aug 7, 2007
2
Replies
45
Views
17K
Jun 4, 2020
skyblue
S
Joint US-Euro ATV follow on?
Grey Havoc
May 5, 2011
Replies
18
Views
10K
May 26, 2020
Grey Havoc
F
Neptune Odyssey: Neptune-Triton orbiter mission
Flyaway
May 23, 2020
Replies
4
Views
320
May 23, 2020
Archibald
A
Aeolus space laser
Grey Havoc
Aug 22, 2016
Replies
2
Views
2K
May 23, 2020
Flyaway
F
7
Boeing & North American Rockwell "Windjammer"SSTO
7Daniel13
May 21, 2020
Replies
2
Views
529
May 22, 2020
Mr London 24/7
F
The Accidental Spacecraft Splashdown Which Almost Killed Its Crew
Flyaway
May 16, 2020
Replies
0
Views
353
May 16, 2020
Flyaway
F
F
Another Rocket Startup
fredymac
Oct 19, 2017
Replies
19
Views
4K
May 6, 2020
fredymac
F
Convair Variable Geometry Spacecraft
nivek626
Apr 30, 2020
Replies
5
Views
842
May 4, 2020
RanulfC
R
C
Skylab B and Advanced Skylab for the Shuttle.
carmelo
May 16, 2013
Replies
7
Views
4K
May 1, 2020
TomS
Convair Nexus SSTO
Orionblamblam
Sep 15, 2009
Replies
18
Views
12K
Apr 27, 2020
athpilot
Lincoln Experimental Satellite series
Grey Havoc
Apr 27, 2020
Replies
0
Views
341
Apr 27, 2020
Grey Havoc
F
Helmut Gröttrup - project
Forsker
Apr 22, 2020
Replies
8
Views
704
Apr 24, 2020
Forsker
F
United Launch Alliance/Blue Origin tie-up (RD-180 engine replacement project)
Grey Havoc
Sep 16, 2014
Replies
27
Views
8K
Apr 21, 2020
Michel Van
Space Shuttle passenger module concepts
FutureSpaceTourist
Dec 22, 2010
Replies
12
Views
6K
Apr 21, 2020
Grey Havoc
ARCA Haas 2CA rocket (SSTO with aerospike engine)
Michel Van
Jun 21, 2017
2
Replies
52
Views
15K
Apr 17, 2020
Michel Van
US planned to nuke the moon
Triton
Nov 26, 2012
Replies
38
Views
10K
Apr 13, 2020
antigravite
A
Von Braun's Ferry Rocket of 1952
archipeppe
Jan 19, 2008
2
3
Replies
112
Views
43K
Apr 11, 2020
edwest
E
G
RAF Manned Capsule
Grif
Nov 14, 2008
Replies
23
Views
12K
Apr 10, 2020
TsrJoe
US. 'space interceptor' design, 1963 ?
TsrJoe
Apr 7, 2020
Replies
1
Views
736
Apr 9, 2020
TsrJoe
Nuclear Powered Spacecraft
Antonio
Dec 30, 2007
2
Replies
51
Views
29K
Apr 7, 2020
Grey Havoc
1955 Speculative Soviet space concept ?
TsrJoe
Apr 7, 2020
Replies
4
Views
485
Apr 7, 2020
antigravite
A
Soviet N1 rocket
Triton
Feb 1, 2009
2
Replies
52
Views
27K
Apr 7, 2020
Grey Havoc
British Spacestation
Michel Van
Jun 2, 2009
Replies
19
Views
8K
Apr 7, 2020
TsrJoe
F
The Apollo 13 Booster Impact Experiment - with Newly Discovered Audio
Flyaway
Apr 6, 2020
Replies
1
Views
386
Apr 6, 2020
Sherman Tank
1
2
3
…
Go to page
Go
11
Next
1 of 11
Go to page
Go
Next
Last
You must log in or register to post here.
Home
Forums
Secret (Unbuilt) Projects
Top
