pre-world war ii

http://3dhistory.de/wordpress/warship-drawings-warship-blue-prints-warship-plans/french-submarine-drawingsplan-sets/french-submarine-surcouf-as-build-1929/ It's the sous marin de croisière type Q5 concept for the Surcouf.

If you read French and you like weird tank projects, the latest issue of GBM Magazine (number 124) has a feature on the various French projects before WWII with multiple sets of tracks. Typically these would be two front tracks and two rear tracks, moving indepedently. The more spectacular are...

I'm putting this here under the thin justification that some of the cars were to be defensively armed, there were plans to transport small warships with it, and it could fill a logistics role similar to the Reichsautobahnen. However, I really just wanted a thread somewhere to discuss this. Some...

Hi! Arsenal VG-30 variants. https://en.wikipedia.org/wiki/Arsenal_VG-33 "The Arsenal VG-33 was one of a series of fast French light fighter aircraft under development at the start of World War II, but which matured too late to see extensive service in the French Air Force during the Battle of...

Hi! https://www.warbirdsforum.com/topic/366-additional-raf-might-have-beens/ "The B1.39 spec was to carry 9,000lb over 2,500miles cruising at least 280mph. Maximum bomb load was to be 10,000lb and some could be carried externally if necessary. Provision was made to stow 20 x 250lb or 500lb...

Couldn't find a thread on this so here goes: In March 1938 the Air Staff put together a paper that described an ideal bomber, and then a few months later specification B.19/38 was produced which indicated that the bomber would have a strong defensive armament of eight 20mm “shell-firing gun”...

Hi, in 1938,Parnall designed a twin boom heavy bomber Project,with no supporting tailplane or structure between the booms,how we can find a drawing or a more Info about it ?.

Does anyone have any more or better information about the Saurer FLB 2000 engine from the 1940s? Some of the information indicates maybe 2 stroke, fuel injection, opposed pistons, rhombic drive? http://www.saurer-romandie.ch/La%20maison%20Saurer/les%20dates%20et%20faits%20importants.htm

Hi, S. Helmy was Egyptian and he lived in UK,he designed the Aerogypt-I,it was a four-seat low-wing light transport airplane,powered by three 22 hp Douglas Sprite engines,appeared in 1939 and later flown as Aerogypt-II without hanged roof, and in 1940 flown as Aerogypt-III with end plate fins...

Hi Folks This is my list of (documented; not speculative) IJN Service Airplane Development Program designations. Any additions/corrections are welcome. This table is strictly for my own files. Thanks. Harry Known SADP Designations: • Kawanishi K-10 14-Shi High-speed Reconnaissance Seaplane...

The history about it i can see it : http://www.go2war2.nl/artikel/4504/Focke-Wulf-Fw-200-Condor.htm?page=2 Anyone have more about it ?

In some Brewster documents there's mention of an Allison-powered Army fighter based on the Buffalo. Has anyone ever seen drawings of this proposal?

Cy-27 said that he was working on a Weir designation list which which was the kick in the pants needed to prompt me to finish off my list! ____________________ J&G Weir Company, 1932-1943, and Cierva Autogiro Company (Cierva-Weir), 1943-1951 Weir autogyros and helicopters received simple...

DB 608 Work on this engine were launched in 1938. DB-608 is a further development of the engine DB-601. When the working volume of 36.6 liters the engine developed takeoff power 1210 kW (1650 hp.) At 2800 rev / min. The estimated altitude is equal to 5200 meters. Dry weight was 745 pounds...

Hi! Kawanishi E13K. http://www.airwar.ru/enc/sww2/e13k.html Auto translation. In 1937, the Imperial Japanese Navy decided to change the old Scout Kawanishi E7K seaplanes (Navy Type 94 Reconnaissance Seaplane) to more advanced aircraft. For this purpose, contracts were signed with companies...

Following the sad passing of the author Manfred Griehl last November, I doubt his pending volume on Fieseler (Fieseler: Flugzeuge seit 1933 - Typenkompass) will ever see publication. This is a great shame as Gerhard Fieseler was a World War I fighter ace who was also a stunt, aerobatic and test...

In a Italian magazine of 1939,"Panorama",i have read an article about Americans flying boats. Was said that a method at the study for land takeoff of flying boats ( in runways near sea aerodromes) was put the flying boat piggy-back on a sort of not flying launch vehicle for reach speed for...

Hi, the French designer,G. R. Hamel was aviator and pilot,and he designed some heavy civil flying boat projects,his activities started from 1935 up to 1945,he created a 100,300,400 & 500 ton Projects. Here is his 100 ton proposal,it was powered by eight engines,in twin fuselage...

Greek Large Cruiser proposal from DNC https://www.deviantart.com/tzoli/art/Greek-Large-Cruiser-Design-259030560 This warship is based on the Dido but on an enlarged hull. The DNC or Director of Naval Construction was assigned to create studies for a warship of the Hellenic Navy in 1939. Her...