interwar period

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...

You can read about the prototype here https://en.wikipedia.org/wiki/Tarrant_Tabor It was very interesting to build the model.

Yes, that Norman Bel Geddes. The yacht mentioned in the reddit post is the Wenner-Gren Yacht design of 1934, with a both a naval yacht and a naval patrol vessel derived from it proposed for the United States Navy in 1939 at the outset of WWII (see JaySea article). View...

For these cruisers I got most of my data from Norman Friedman's British Cruisers Two World War and After as well as from the forum member Smurf and parts from his book: A Directory of British Cruiser Designs. In case of Friedman's book it wasn't always clear what data was connected to what...

Re: Australia and the WNT - please see link below; https://www.navy.gov.au/history/feature-histories/loss-more-symbolic-material According to the Author, the government of Australia (if it chose) could likely have won excemption and retained HMAS Australia as an “Armoured Cruiser”. As others...

Hello, I'm looking for warships designed by Nevesbu (B.V. Nederlandse Verenigde Scheepsbouw Bureaus). Specifically for surface vessels, though I don't want to discourage discussion around their submersibles. So far I'm aware of a couple of designs: Project 1047 (files attached, source: Klaas...

Does anyone know anything more about this? https://collections.rmg.co.uk/collections/objects/568598.html Description Scale 1:192. A plan showing the outboard profile and arrangement of rig of a proposed aircraft carrier/liner hybrid by Eustace H. T. D'Eyncourt [Director of Naval...

If the drawings below are accurate, the resemblance is a bit odd, and profuse apologies if the topic was discussed before. https://www.the-blueprints.com/blueprints/ww2planes/messerschmitt/78737/view/messerschmitt_bf_109x_v21/...

In the very first years of aircraft carriers development both English and Japanese envisioned launch of their aircrafts directly from the hangar. This result was usually achieved through an opening in the bow, at the hangar level, and a catapult that launched aircraft in the ship's direction...

who can help me with sources who give more information/details of the CC-2000 and CC-3000. concerning these two I found only the information that is has to do with the total power of the engines. please real sources and not he told that he told!!!!! Thanks

So, Austrians had Italian fighters Fiat CR.32 but why they didn't decide to develop their own fighters? Here's the pic of an Austrian CR. 32

Anyone solve the mystery?? Why, oh why did the JUNKERS G.38 4-engined prototype test-fly with a four-bladed propeller, inboard and a two-bladed propeller, outboard on each wing? All four driving engines were identical. Might this have caused any power imbalance/handling or thrust deficit issues...

Hi, here is a Fieseler P.29,P.30 and Fi.333,also P.35; P.29 was a military transport Project,intended to compete Arado Ar.232,led to develop Fi.333 P.30 was an unconventional military transport Project,later became Fi.333 P.35 was initial design for Fi.103...