early 1940s

By mid-1942 the shortage of tungsten needed for production of anti-tank artillery shells was so critical that the Heereswaffenamt issued a specification calling for a Panzerabwehrrakete (anti-tank missile) fitted with hollow charge warhead. Early in 1943, Dr. Otto Kramer began the development...

Hi everyone, I tend to be quite interested in discussing the details of a scenario where the Entente holds the front near the Franco-Belgian border in 1940 (mostly in other forums). I was now wondering what the impacts would be for the RAF. Obviously we may see fewer American aircrafts in...

This, the last Flakpanzer designed by Rheinmetall-Borsig from late 1944, was incited by the SS-Führungshauptamt and fathered by SS-Hauptsturmführer Wabnitz. It proceeded to the last days of WW2, and not just a wooden mockup was made since metal was cut. All the plans were destroyed in a air...

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...

Hi all, The purpose of this thread is to compile and present sources regarding Italian bomb types, fuzes and tactics used in the Central Mediterranean from their entry into the War in 1940 to the Armistice of Cassibile in 1943. This is meant to complement my other thread about German equipment...

Hi everyone, This thread is about the French tanks designed or contemplated for the new tank program drawn up by the French Inspector of Tanks in December 1939-February 1940, Général Keller. This wartime program was intended to organize development of tanks in control of the infantry branch...

The Iwo Jima (CV-46) of the Essex class was cancelled incomplete after the war. But according to Friedman, there were plans to redesign the ship to alleviate the deficiencies of the Essex class (the plans died with the cancellation of the carrier): Does anyone have information on this redesign?

Is the water-alcohol injection R-2800 on the P-47s, so they can make 2300-2600-2800 HP instead of 2000-2100 HP, also cheating? Engineer in ww2: we've managed to make our engines do extra 15-20-30% HP more, with reasonable reliability. 21st century enthusiast: cheater! Three things: - there...

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...

Hello all, While browsing some old WoWS Reddit threads I found mention of a CRDA (assumedly Cantieri Riuniti dell'Adriatico, active 1930 to 1984) battleship design that was posted on the (now-defunct) WoWS forums. Apparently the known specifics are "61200 tons standard, 29 knots, 406mm belt...

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...

Something about Super-A Cruisers before Maru-5 Project. Source: 早川幸夫，スーパー・クルーザー「超甲巡」覇王伝説，月刊《丸》，2013年5月号 (Monthly "Maru", May 2013). The author stated that in a 1934 document named "Required National Defense Force from Treaty-Break to 1940" (条約決裂後ノ昭和十五年度ニオケル国防所要兵力表), that IJN's original plan...

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?

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

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).

Website is here https://www.passionair1940.fr

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...

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...

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.

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...