interwar period

Hi! Breda Ba.27 https://en.wikipedia.org/wiki/Breda_Ba.27 "The Ba.27 was a low-wing braced monoplane with fixed tailwheel undercarriage. As originally designed, the Ba.27 had a fuselage of steel tube construction, skinned with light corrugated alloy metal, and wooden wings and tailplane...

We have topics on several of the aircraft in this list, and attempts at identifying missing numbers in places, but no complete list in one single topic, so I thought this could be a good idea. Since it's the "Designations" section here, I'm only giving the basic info for identification purposes...

Hi, the Swedish company Svenska Aero Aktiebolaget was formed in 1921 to build some Heinkel aircraft and its own designs,in 1931 liquidated and taken over by the Svenska Järnvägsverkstäderna,AB,and in 1939 the company merged with Svensak Aeroplan AB to create SAAB. Heinkel HE 1...

Hi people I'm searching for data/drawings of never build Japanese carriers such as the G19 project Hopefully some one can help me on this subject

Hi, as my dear Apophenia corrected my mistake about SW.20,I prefer to open a new topic for it,because it had many unknown aircraft; the Södertelge Verkstäder aircraft list; SW.10 was a licence built Farman HF.22 recce airplane SW.11 was a licence built Farman HF.23 recce airplane SW.12...

Hi, the Flygkompaniets Verkstäder at Malmen was formed in 1917/18,and as my dear Apophenia spoke about some of its airplanes http://www.secretprojects.co.uk/forum/index.php/topic,26120.msg266733.html#msg266733 All I know about it; Dronten was a two-seat recce and light bomber biplane S.18...

Hi, Austrian Igo Etrich (1879-1967) was experimented in aeronautics from 1899. After working with engineer Franz Wels he made a tailless glider with backswept wings in 1907. 1909 Etrich "Nurflügel" (Only Wings) tractor monoplane 1909 Etrich Taube (Dove) tractor monoplane 1909 Etrich-Wels...

Hi, the designer Feliksa Brodowskiego (Brodowski) made a two-seat biplane fighter Project in 1925,the design was modeled on Breguet XIV aircraft,and called Jupiter, powered by one 400 hp Jupiter engine. http://www.samolotypolskie.pl/samoloty/1432/126/Brodowski-Jupiter

Hi! Aichi Experimental AM-10 two-seat Reconnaissance Seaplane. In 1933,Aichi designed single wing experimental AM-10 two-seat reconnaissance seaplane apart from the experimental 8-shi reconnaissance seaplane. This airplane possessed the cantilevering system taper wing by which the feature of...

William E. Metzger, along with Henry G. McCarroll formed the Cadillac Aircraft Corporation in Northville, MI, in February 1929. The first design was the 1929 Duoplane, christened the Voyager (seen below). The second aircraft of 1930 was the MAC-1. The production facility was the former Stinson...

Hi, a very weird airplane designed by Alexander Chessin and Serge Trey. http://blog.modernmechanix.com/inventors-patent-odd-designs-for-safer-planes/1/#mmGal

I've found very little information on the internet regarding the following and while I have some guesstimates and ideas as to what the systems do, I am not certain and I figure you guys would probably be able to provide a more conclusive answer. The Automatic Gyro-Leveling Device (AGLD) /...

List compiled from the excellent book The Silent Deep: The Royal Navy Submarine Service since 1945 BOREAS Class - page 131 1950s diesel-electric SSK. Smaller complement to PORPOISE Class. 1200 tons 'high quiet speed' 4 x TT in bow, 2 x TT in stern Baseline version with twin screws, then single...

A 1917 aeronautical startup by Grover Loening, the Loening Aeronatical Engineering company eventually merged with the Keystone Aircraft company and became Loening Aeronautical Division of Keystone Aircraft in 1928. In 1931 Keystone became part of Curtiss-Wright Corporation. The "Flying...

These texts were from Conway's All the World's Fighting Ships 1906-1921 and 1922-1946 Late 19th century: The 1899 Naval Expansion Programme: My notes: The 4 built river monitors were ships of the Ion C. Bratianu class The 8 river torpedo-boats are the ships of the Capitan Nicolae Lascar...

Hi, here is a strange airplane concept,I never saw like it before ?. https://books.google.com.au/books?id=yyUDAAAAMBAJ&printsec=frontcover&dq=POPULAR+SCIENCE+1935&hl=en&sa=X&ved=0CCwQ6AEwBGoVChMI-NHVp73WxwIVh44sCh3cXAzB#v=onepage&q&f=false

Hi, here is a three little known light aircraft from Italy,the first called Bottini M.B.2,the second aircraft from Mr. Crisanti and the third was Fongri - De Grignani,does anyone one know more,but must be a little known ...

I've recently found this pretty interesting Japanese Project at the Hiraga Archive. It looks like a hybrid cruiser-carrier warship from 1920's era. There seems to be a few variants mostly by how large the hanger should be and where to locate the conning tower and AA guns. Apart from the unique...

I've found calculations for a 10.000ton cruiser in the Hiraga archives. What is unique about this vessel that it would carry 4 triple 20cm heavily armoured gun turrets, though calculations shows quad turrets were considered as well, but it is unknown if it would carry the same number of such...

Anyone have any more information about dimensions and speed of this 1937 Italian sub hunter of 1300 tons with anti-submarine float plane? Love to know more about the floatplane. 3x1 120mm; 4x1 20mm; 2x2 torpedo tubes; 4 depth charge throwers, and sonar...