interwar period

From, Самолеты С. А. Лавочкина.

A design by Vladimir Gartvig, drawing by Vladimir Meshcherin. Images OSGA-25 1-4 from Russisches Design - Tradition und Experiment 1920-1990 by Alexander Lavrentiev and Yuri Nasarow, Ernst & Sohn 1995. Images OSGA-25 5-7 found here: https://gashetka.tumblr.com/ View...

I learned about these interested drawings from another forum, and there are links to the sources given by other members below. But a companion of mine believes that these are "fake drawings" made using some Australia's cruiser plan drawings and Photoshop. I feel distressed. So are these...

From, Поликарпов У-2, here is a drawings to Polikarpov U-2 and its variants.

I was looking for the history of the anti-aircraft guns of the US Army since 1918 but then stumbled upon an AA gun that I never heard of before. A little effort to find some information was done, but it's surprisingly quite scarce. 4.7-inch Mobile Gun, M1920E The gun was supposed to be the...

While Japan constantly grew in power since the Meiji restoration and being an island nation it's navy too had to have a prominent role in it's military forces The first warships of Japan were built in ofreign Yards mostly in British but there were quite a few French and a some from US yards as...

It is unclear if she was still in service post-World War II, but if she was still around in 1948 it is debatable whether or not she would have been technically entitled to the HMAFV (His Majesty's Air Force Vessel) prefix, given that she wasn't a powered vessel.

I found an interesting chart comparing fuel efficiencies of actual aircraft. Please compare the Ju 86 with petrol and diesel engines. The difference is massive! The source is Shell Aviation News April 1939. Article by some Lufthansa director.

From British Civil Aircraft since 1919, Mr. J. B. Fenton designed a two-seat light airplane of 1930/31,called Cheel,but never completed.

Hi all, only a good picture of the Dolphin can be found on the Internet. https://www.flying-tigers.co.uk/2017/de-havilland-dragon-rapide-hobbymaster-and-corgi-aviation-new-year-arrivals-and-flying-tigers-christmas-new-year-opening-times/dh1-de-havilland-dolphin-d-h-92-1936/ My problem is this...

Hello and welcome, This is no longer the hub for all things Kriegsmarine, but a section of what was once a much larger thread that has since been broken up into various pieces for sake of organization, I suppose. This is now the primary section as far as I am concerned. Links will be included...

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Does anyone know anything about the 1932 Springfield Aircraft Company's "Cicada" NR 13 205? It has a radial engine, semi-elliptical shoulder-mounted wings, circular fuselage cross-section, fixed landing gear with spats and a spectacular paint job resembling an insect. The single, open cockpit is...

Here are some interesting projects I wanted to post. Some are actually light mortars. I don't care. From Britain: A late WW1 prototype, a humble beginning https://collections.royalarmouries.org/first-world-war/type/rac-narrative-125.html From the USSR: The spade mortar, a jack of 2 trades...

Hi, in 1934,the Air France announced for a contest for Transatlantic Sud (South)and could be anticipation for seaplanes,flying boats, catapult airplanes and amphibians,about 16 proposals were submitted to it,but it contains many mysteries ?! ; Catapult, - CAMS three engines,with weight 14.3...

For some time I've already made these drawings just not yet posted here. You can now see how the Tosa / Kaga class battleships evolved from an Improved Nagato to as laid down as a 5 turreted similar speed slightly larger battleship. Let us begin: Fast Nagato series: A-115...

Found these images buried in my folders along with a screenshot of the (limited) information on these artillery pieces. It took me a while to track down which forum post I got them from (link and just in case, archived). Quoted from the thread in question:

Came across a pic of the Koun Aircraft Dirigible Helicopter at https://members.tripod.com/airfields_freeman/NY/Airfields_NY_LongIs_Nassau.htm and having never heard of it before, thought that other members may appreciate it. I saw that one pic had been posted on this site in a discussion on ugly...

Hi I looked through the listings, and after an exhaustive search found I could not find any discussions about the Curtiss-Bleecker Helicopter, although it did get a mention in one or two other types discussions. Whilst looking at...

Not sure where to ask but here it is: Is there a comprehensive list of French Radars (Both land and naval based) which was developed? Did France able to start developing radar technology before the capitulation or it was kick-started by British and American equipment after the war? To my...