interwar period

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...

A big Surprise, here is a drawing and all Info about Bellanca C-24-100-P and C-24-100-M,generally it was a single or two-seat fighter,observation,light bomber and attack airplane Project,developed from Model 28-90. I don't know for which competition it was purposed,and if it was estimated to...

Hi! I will post these aircraft.

There is already a thread on what might have been in the 1930s. I want to focus on the land forces. Britain and France in 1940 had some tanks (Somua and Matilda 2) which could match the Germans. If the French and British General Staffs had understood the importance of armoured units in a...

Inspired by the “What if the gas turbine hadn’t happened“ I always thought of a different angle. This considers what would have happened if just two men had a different mindset at just one meeting? Ref “Genesis of the Jet” John Golley. This book documents Frank Whittle struggle to develop the...

What if the United States Army Air Corps was limited to Ford Tri-Motor transports until the onset of World War 2? For the purposes of debate, Bill Stout is allowed to update the basic Ford airframe to 23,000 pound gross weight and up to 725 horsepower per engine, but is still limited to the...