interwar period

  1. Pirate Pete

    The Ships that never sailed….

    Over on ‘Found on the Internet’ there is a brief discussion about some unbuilt Liners…. This is a slightly updated version of what I wrote there…. Random thought as regards the White Star Lines cancelled Oceanic (1928)...Accepting that Lord Kyslant still does not escape being uncovered as a...
  2. Tzoli

    Italian Long Barrel Gun

    Recently found this 203mm/96 gun from 1939. Likely a long range siege or test gun. https://archivio.fondazioneansaldo.it/s/1/media/10662 Pressure curve for a 203/96 gun. Massa proietto (shell mass: 102 Kg), Massa carica (charge mass: 100 Kg (NAC idk what it means)). Velocita’ iniziale...
  3. Stargazer

    Caproni Ca.211 three-engined long-range bomber project

    Another beautiful find in the current Mallams Caproni-related auction is these plans of the unbuilt Ca.211, a three-engined high-wing bomber designed by engineer Caratti. The Ca.211 was related to the also unbuilt Ca.204 project, with which it shared the same basic structure. Both were submitted...
  4. Stargazer

    Caproni Ca.150 twin-boom fighter project

    The twin-boom Caproni Ca.150 was an attack-fighter ordered in 1936 but subsequently cancelled. The current Caproni auction at Mallams has enabled the emergence of some really interesting material, such as these Ca.150 documents which show two different design iterations (Ca.150 and Ca.150/2)...
  5. S

    Information on the 1930s B bomb?

    Hi people, Recently I was reading David K Brown's work on British naval design ( Nelson to Vanguard: Warship Design and Development 1923-45), and here this description about what he referred to as "B bomb" caught my attention. Unfortunately I could not find much information about it...
  6. Grey Havoc

    Ansett Australia

    View: https://www.youtube.com/watch?v=Sqcc2ActCCU
  7. T

    Vickers PV bomber

    I found this article, concerning the Vickers PV bomber, and would be interested to know more about it. https://www.keymilitary.com/article/british-behemoth
  8. Dynoman

    Unknown Air Service Engineering Division Models

    Between 1919 and 1927 the Air Service's Engineering Division at McCook Field, Dayton, Ohio, was responsible for the solicitation of bids for Army aircraft designs. The Engineering Division released Type Specifications for an aircraft design and then expected the contractors to return a set of...
  9. uk 75

    Air Defence of Great Britain

    Ever since the first Zeppelin raids in World War 1 the vulnerability of the civilian population of the UK to attack from the air has been a major factor in shaping our armed forces. The tile "Air Defence of Great Britain" comes from the organisation set up to meet the only air threat imagined in...
  10. P

    French high altitude projects of the 30s

    In the 30s, the French Air Ministry never launched official competition for High altitude planes. This is mainly due to the fact that the purpose of technical programs was to allocate funding for research, studies, prototypes in some cases, but above all to put manufacturers in competition to...
  11. Hood

    Caproni Collection Auction

    For anyone with deeper pockets, a collection of drawings, sketches and ephemera by Giovanni Caproni is up for auction at Abdingdon on 12 November. https://www.mallams.co.uk/auction/details/ab-early-flight---the-caproni-collection--the-collectors-sale/?au=565
  12. World B4

    Vikhr floating battery

    https://model-copy.info/product_info.php?language=en&products_id=41535 Allegedly, a project from the short lived Far Eastern Republic. I would appreciate anyone who can translate the text.
  13. E

    ARL V 39 French self-propelled gun

    Hi everyone, New topic based largely on my research in the French archives, this time on one of the more elusive prototypes of late 30's France: the ARL self-propelled gun, also sometimes called the ARL V 39. Preliminary history: The story of French self-propelled 75mm guns date back at least...
  14. PabloSniper

    Northrop 3A

    Hello everyone! Despite being a prototype fighter, the Northrop 3A was not successful, and I didn't find much material about it. I think it would be interesting to have a topic about it. The Northrop 3A was powered by an air-cooled, supercharged, 1,535.387-cubic-inch displacement (25.160...
  15. Schneiderman

    Library and Archives Canada

    If anyone is seeking copies of Air Ministry Specifications from the inter-war years and finds it tricky to find them in the National Archives and costly to order, then I thoroughly recommend looking to the Library and Archives Canada...
  16. YourChair

    General Barberis 1930s Studies for the Regia Marina -- Groups 1 and 2

    Stefano Sappino's blog has information on these battleship studies: https://stefsap.wordpress.com/2015/10/13/regia-marinas-bb-design-p1-by-general-barberis-navy-corps-of-engineers/ In the post, he says: In his posts, he only provides information about 4 of the Group 3 designs. Does anyone...
  17. G

    any info about the 40,000 tonne French Battleships from the 1920's?

    Ight so I'll keep this quick, but I was scrolling on navweaps.com and founds something very interesting. Apparently, there was a french 45 CM gun designed in the 1920's. Now, perhaps that may not sound correct but what really made me curious was the article itself. It discussed plans for a...
  18. E

    French antitank weapon projects before June 1940

    Hi everyone, Just like my previous threads in the same section, talking about French antitank weapon projects in development in the interwar period or up to 1940 that didn't get to enter service, based on my archive findings. I'm gonna start with the ones that caught me completetely off-guard...
  19. L

    1931 Makhonine MAK-10

    MAK-10 was made by a russian aviator designer who moved to France. This plane have many designideas influenced by typical typical russian designs of the earlyer times. But had a very unique style anyway. It doesnt have a very wide body, rather a bit thin one vs. the length. That gave some...
  20. S

    British hybrid battleships: projects and proposals

    the richelieu hybrid: https://www.laroyale-modelisme.net/t20387-jean-bart-hybride-1-400 (in french)
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