interwar period

The Hermann Oberth Raumfahrt Museum has acquired a file of documents containing photographs, newspaper clippings and comments from Karl Otto Engelbert Poggensee (born December 3, 1903 in Bremen) student of Hinderburg-Polytechnikum, Oldenburg, covering the essays that it carried out between 1930...

View: https://www.youtube.com/watch?v=_j544ELauus

Société Dyle et Bacalan - 1924-1929 In 1924, shipbuilders Société de Travaux Dyle et Bacalan of Bordeaux established an aeronautical division to design and build aircraft of all-metal construction. This shipbuilding firm went bankrupt in 1928 and was bought by the Ateliers et Chantiers...

Andrés López (from "Proyectos y prototipos españoles" on facebook) talked in 2018 about a painting in the maritime museum of barcelona in which an unidentified battleship or battlecruiser is portrayed. He said this: "No hay ningún dato sobre sus características ni fecha. Es más, si uno repasa...

I visited the polish aviation museum in krakow yesterday and I saw the only surviving argus as 5 engine. There It said that there were plans to install the engine in a giant plane, but this project was canceled. Are there any info or/and drawings of that plane? Thanks in advance

The Navweps site on these two guns has some passing mentions that lead me to other questions: -135 mm/45 (5.3") Models 1937 and 1938: There is this statement: "A twin AA version for the Etna class cruisers and for the rebuild of the damaged battleship Conte Di Cavour were only in the...

i did a quick search of this site for the above mentioned vehicle and found nothing so if there is a preexisting topic i am sorry for failing to discover its thread i was looking for any info and/ or pics about this vehicle or these vehicles ( i know of the DP-2 ( the one which almost...

https://naval-encyclopedia.com/ww2/italy/aircraft-carrier-aquila.php?amp=1 According to the site above, there are several aircraft carrier plans planned by Regia Marina's Lieutenant General Bonfiglietti, does anyone know more about this?

If you could redesign the Royal Navy at that time, what would you do?

I'll start the topic with an experienced Finnish infantry gun 76 PK 27/38 1943-1944.

One of my continuing interests and a strength of this site is information about Royal Navy ships that never left the drawing board. Recently.not so much has been published about these designs so I thought I would start this thread. Many projects have there own threads and are well known to...

Hi, does anyone know these two aircraft ( Avis 4 Cagno & Avis 5 Serra Zanetti0,and what was Avis company ?

This book is written by the german Winkler-Researcher Reinhard Sagner. He focuses on the technical asprects of Winkler´s work in and for the Junkers Company in Dessau in the time between 1929 and 1939, when Winkler left Junkers for the Luftfahrtforschungsanstalt Braunschweig. The author has used...

To start this thread off, a 2020 Top Gear story on the development of the Royal Enfield Model RE airborne forces motorcycle, better known as the Flying Flea: https://www.topgear.com/car-news/british/small-motorbike-helped-win-ww2 (You will notice a few, mostly minor errors in the article.)

A day late, but better late than never. Via Slashdot: https://www.bbc.com/news/entertainment-arts-63583081

I've seen a few references to a Supermarine early World War II project called the Type 312. From what I've read, it was a derivative of the Spitfire but with standard cannon armament and a ventral radiator instead of the Spitfire's underwing radiators. Does any photos or plans or other details...

STEALTH WARPLANES OF THE LUFTWAFFE Prototypes and projects 1936-1946 War Secrets-Volume Four Contents The race for invisibility Transparent wings Zebra effect Vorticist School Lozenge-Tarnung Akinetopsia Yehudi Infra-red Turbinlite Spanner Anlage I Spanner Anlage II Spanner...

http://www3.plala.or.jp/takihome/14-27.html I can't find other sources referencing this, if it's not real what's the picture of? https://ja.wikipedia.org/wiki/%E4%B9%9D%E5%85%AD%E5%BC%8F%E9%87%8D%E8%BF%AB%E6%92%83%E7%A0%B2

https://www.nevingtonwarmuseum.com/united-kingdom---morris-commercial-roadless-half-track-experimental-tractor.html View: https://www.reddit.com/r/TankPorn/comments/yafh9h/early_mechanisation_of_the_royal_artillery_an/ According to the Imperial War Museum, via Wikimedia Commons, the image...

French Night Fighters Between February 1918 and July 1922 the French Aéronautique Militaire used the Caudron R.XI heavy escort fighters from the Escadrille C 46, in joint operations with the Breguet XIV night bombers of the 3ême regiment de bombardement. In 1924 a night fighter unit was...