Search titles only
Install the app
Hi Guest! Forum rules have been updated. All users please read
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
Post thread in...
Blue Envoy Press
Forums relating to books published by Chris Gibson's Blue Envoy Press
A forum to discuss ProjectTech Profiles series books published by Blue Envoy Press
Secret (Unbuilt) Projects
Forums to discuss designs that never made it to production.
Secret Early Aircraft Projects
Unbuilt and cancelled aviation projects before 1945
Secret Postwar Aircraft Projects
Unbuilt and cancelled aviation projects since 1945. Designs that never made to production.
Secret Missile, Bomb and Gun Projects
Unbuilt and cancelled projects of missiles, bombs, guns, and other forms of weaponry
Secret Space Projects
Unbuilt and cancelled rocket and spacecraft projects.
Secret Naval Projects
Unbuilt and cancelled ships, subs etc.
Secret Army Projects
Unbuilt and cancelled tanks, APCs etc. Designs that never made to production.
General discussions, not unbuilt projects
Aviation & Space
Aviation and Space discussions on historic programs that made it to production or are still current
Discussion about historic or current tanks, ships, and other non-aerospace military technologies - not unbuilt projects
Post any feedback on the site here.
Post anything offtopic (but likely to be of interest) in here
Forums dedicated to specific research topics
A place to research manufacturers' designation systems
A forum to post patent images which might correspond to unbuilt projects
Built, unbuilt and prototype engines of all types
Avionics and Military/Naval electronics
Aircraft avionics, radars, sensors and optical sights of all kinds used on aircraft, boats, tanks, etc.
Theoretical and Speculative Projects
For theoretical, generic or speculative projects likely to be of interest to forum members.
Alternative History and Future Speculation
Discussions on what might have been in the past or what might be in the future.
Computer drawings and CGI images of real projects created by our users
Scale Modelling of Unbuilt Projects
Bookshelf & Marketplace
Book reviews, prerelease information, & related products
Museums, Events & Shows
Museums, Events and Shows of interest to forum members
Other cool sites and forums