early 1940s

  1. C

    Italian battleship design after Littorio?

    In UK we know Lion after KGV In USA we know Montana after Iowa In French and German we know Alsace and H class In Japan we know super Yamato and a150 series And how about Italian battleship after Littorio class?
  2. robinbird

    What's Mustard Plaster?

    'Mustard Plasters' are mentioned in my wartime notes of trials carried out by the Marine Aircraft Experimental Establishment, Helensburgh. More information appreciated.
  3. ArmchairSamurai

    Kazantsev ET-1-627

    Just found this, and thought I would share it: https://alternathistory.com/teleupravlyaemye-krasnoarmejtsy-elektrotanketka-fantasta-kazantseva/ It seems to be a little-known Soviet equivalent to the German Goliath (and likewise French Kegress Machine).
  4. airman

    Website about French Air Force 1939-1940

    Website is here https://www.passionair1940.fr
  5. Dan Sharp

    Messerschmitt Me 262 Development & Politics by Dan Sharp

    Messerschmitt Me 262 Development & Politics by Dan Sharp There are many myths surrounding the development of the Messerschmitt Me 262 jet fighter. Its unparalleled performance is beyond doubt; easily able to outpace its opponents and possessing the firepower to shred them in seconds. Yet...
  6. Graham1973

    United States Navy - Aircraft Carrier 'Scheme E' (1941)

    This is the last of the surviving designs in the series that ended with the Midway Class Carriers. Dating from September 1941, it's an enlarged version of the 'Scheme D' design (45,000 tons vs 28,000 tons), like the 'Scheme A' design, and the eventual Midway Class this ship is too wide to fit...
  7. Graham1973

    United States Navy - Aircraft Carrier 'Scheme D' (1941)

    A while back I posted the first two design proposals for what emerged as the Midway Class Aircraft Carriers. Unfortunately the preliminary drawings for the third proposal ('Scheme C') don't appear to have survived, but those for the fourth proposal which dates from July 1941 do. This is a 28,000...
  8. Graham1973

    United States Navy - CVX (1940)

    A year before Pearl Harbour the USN commissioned a study into a 'tweaked' version of USS Wasp (CV-7) under the designation CVX, the principle changes were using only two aircraft elevators and the fitting of more powerful engines to give 32knots planned speed. Given what happened to USS Wasp the...
  9. Foo Fighter

    Sherman with Rover Meteor engine

    Packard begin producing Merlin engines in 1940 as a preparation to supplying european nations. As a paper exercise they decide to fit the engine to an M4 type tank. Lower hull and more power earlier, what would the result be and could it be ready with a better armour and gun for D-Day?
  10. overscan (PaulMM)

    McDonnell Model 28 "Navy Fighter with TG-180 engine" (24 October 1944)

    http://aviationarchives.blogspot.com/2022/04/mcdonnell-aircraft-model-28.html Note - the McDonnell Model List says TG-100 engine which is wrong - that was a turboprop.
  11. T

    Air Service of the Japanese Army, 1938-45 alternative

    In order to avoid clogging the IJN air service thread, I'd open an Army-specific thread for discussion about their alternatives in choice of flying hardware, logistics (as far as they can address it), production, etc. The Pacific war unfolds as it did hisorically, ie. the war with West starts as...
  12. Boxman

    Detroit ZMC-2 Metal-Skinned Airship (1929-1941)

    I didn't see any topics featuring or referencing this interesting airship (including the compelling figures involved in its development and construction), but I came across a some newsreel footage of it worthy of posting and created this topic for reference and as a potentially clearinghouse for...
  13. T

    Post Battle of Britain: Luftwaffe/Axis options

    Similar to the post-BoB RAF: what might've Luftwafe/RLM do after Autumn of 1940 in order to improve their standing, both in short-term (next 12 months) and long-term (a few next years). I've also included 'Axis' term here - mostly European Axis countries' air forces/services - since they can be...
  14. T

    1935-1940: alternative Luftwaffe?

    A very powerful as it was in the late 1930s/early days of ww2, Luftwaffe was still with some shortcomings. So let's have another go, in making the fictional LW that can put even a better show, especially in 1940. Changes can range from subtle & easy to make (like drop tanks for the Bf 109...
  15. T

    French airforce from 1935 to 1940-41?

    With decades worth of hindsight, what might be the best steps for French AF and industry to make in the 1935 to 1940-41 time frame, in order to put up a better fight against Luftwaffe? Organizational changes, logistics, choice of what to make (whether the historical types, or whatever you think...
  16. T

    Japanese Navy air service, 1938-45, with hindsight?

    Time frame should cover gearing-up to the Pacific war and the war itself. What should've they specified differently for industry to make vs. what was made historically, in order to put up a better fight against the 'West', or mostly against the USN/USMC/USAAF? Not to make a host of designs that...
  17. klem

    Soviet experiments of various guided and unguided devices before 1945

    Since the end of the First World War, bold attempts were made in the Soviet Union in the field of rockets and various types of weapons, although timid, but existing and somewhat significant for the hard period that the Union was going through at that time, sometimes typically handcrafted and...
  18. Boer van Seven

    Italian Bohler 47mm L70

    Does anyone know Bohler 47mm L70? In WW2,Bohler 47mm L32 M1935 was famous,but according to some articles,47mm L32 couldn't be used well against tanks in the war,so Bohler designed L55,even...L70 I failed to find its data.
  19. Arjen

    OSGA-25 hydroplane catamaran

    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...
  20. L

    Supermarine Spitfire proposal

    Im unsure of number designation on this design proposal from Supermarine 1942 with the Sabre engine. Spitfire No 2? . Lovely lines on the plane, and couldnt keep fingers away to build another RC model. Some changes in insignia/markings, to easier see in air though, and still awaiting for the...
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