1920s

  1. A

    USN Hybrid Battleship 1924?

    Does anyone know about this? This was in a Japanese magazine as a "US Navy Aviation Battleship". According to the magazine, this was studied by the US Navy in October 1924 and was inspired by a proposal for a British "Hybrid battleship" published in Brassey's Naval Annual in 1923. General...
  2. B

    WW1 period (~1900-1920s) experimental and small-known artillery (field, siege, AA)

    Germany: - 3,7cm TAK gun: https://tanks-encyclopedia.com/ww1/germany/3-7cm-tankabwehrkanone-rheinmetall?amp - 28cm Krupp haubitze L/14 i.R., 1912-1913 https://en.wikipedia.org/wiki/28_cm_Haubitze_L/14_i.R. - 28cm Erhardt haubitze L/12, 1912-1913 - 9cm Rheinmetall kanonenhaubitze L/31, 1917-1918...
  3. S

    Early Armoured Cars.

    Hey everyone, came across these pictures on an old German newspaper about WW1. Lets use this thread to aggregate all information about early armoured cars. - Coutin PS: Does anyone recognize the American models?
  4. Oberon_706

    Could HMAS Australia have been saved from scrapping ?

    Re: Australia and the WNT - please see link below; https://www.navy.gov.au/history/feature-histories/loss-more-symbolic-material According to the Author, the government of Australia (if it chose) could likely have won excemption and retained HMAS Australia as an “Armoured Cruiser”. As others...
  5. Grey Havoc

    Blackburn Sidecar

    View: https://www.reddit.com/r/WeirdWings/comments/ll3dyh/blackburn_were_not_known_for_designing_pretty/ https://www.baesystems.com/en/heritage/blackburn-sidecar
  6. sienar

    Carrier/Liner hybrid

    Does anyone know anything more about this? https://collections.rmg.co.uk/collections/objects/568598.html Description Scale 1:192. A plan showing the outboard profile and arrangement of rig of a proposed aircraft carrier/liner hybrid by Eustace H. T. D'Eyncourt [Director of Naval...
  7. EugeneBazaroff

    Did Austria have own fighter projects or prototypes after WWI?

    So, Austrians had Italian fighters Fiat CR.32 but why they didn't decide to develop their own fighters? Here's the pic of an Austrian CR. 32
  8. Tzoli

    Amagi and Akagi Carrier Preliminaries

    Not long ago I've finished drawing the various Amagi/Akagi carrier designs I've found in the Hiraga archive. So I post them here now: Amagi Aircraft Carrier Preliminary Design 1 https://www.deviantart.com/tzoli/art/Amagi-Aircraft-Carrier-Preliminary-Design-1-827366018 This is something...
  9. P

    Admiralty 1920's 'Hornet' guided ground to air missile system

    Indeed, despite the Admiralty’s efforts to ridicule Trenchard’s claims, they were very worried about what the torpedo-bomber might mean for the future of their capital ships. During the 1920s they would go to great lengths to improve air defence, including, with the Hornet programme, an attempt...
  10. jzichek

    Streamlined Dreams: Ten Amazing Unbuilt Automobile Designs, 1916-1939

    New book available which may be of tangential interest to SPF members. Automotive history is filled with concepts which never left the drawing board, with early streamlined projects being among the more fascinating. This book presents ten of the most striking and unusual aerodynamic automobile...
  11. hesham

    Svenska Aircraft List

    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...
  12. hesham

    US Transatlantic Giant Flying Boat,on Aero Digest of 1926

    Hi, here is a US transatlantic flying boat project,it had a tandem three wing,it appeared in Aero Digest,maybe in 1926,but it was familiar to me,do we make a discussing about it before ...
  13. Tzoli

    Interesting Japanese Cruiser-Carrier Hybrid

    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...
  14. Tzoli

    10.000ton Myoko type Cruiser

    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...
  15. hesham

    Randolph F. Hall/Thomas-Morse Patent Projects

    Hi, during 1924,Randolph F. Hall designed a three different monoplane aircraft patents for the Thomas-Morse company. http://scripophily.net/airdesbyranh.html
  16. hesham

    Dobkeviciaus I & III touring and fighter aircraft

    Hi, the Lithuanian designer Dobkeviciaus designed Type I as a single seat touring aircraft, and developed it into Type III,as a single seat fighter; http://gallica.bnf.fr/ark:/12148/bpt6k6556089d/f2.image http://www.secretprojects.co.uk/forum/index.php/topic,6943.msg59364.html#msg59364
  17. Tzoli

    The Cockatoo Heavy Cruiser

    From the page 80 of the book: Cockatoo Island: Sydney's Historic Dockyard: http://books.google.hu/books?id=1ulc79wlY54C&printsec=frontcover&hl=hu#v=onepage&q=cruiser&f=false These cruisers are designed by Cockatoo Island naval Dockyards in 1924 and Vickers in 1929. They resemble a...
  18. Cy-27

    Beardmore Aircraft

    Here are some summary notes on the Scottish Company Beardmore who's aircraft manufacturing activities began in 1913 and ended in the 1920's. Beardmore-D.F.W. Round Britain Racer In 1913 William Beardmore and Company took over the building rights in Britain for the German Deutsche Flugzeug Werke...
  19. hesham

    Stefan Malinowski Aircraft & Projects

    Hi, the engineering Stefan Malinowski was a Polish designer,he interested to modify airplane wings,began with Caudron G-3,as I think Type-I,followed by some modifications we can called it Type-II,the Stemal-III (Type-III) was an experimental airplane based on a fuselage of Nieuport 83 with a...
  20. hesham

    Giovanni Pegna flying wing

    Hi, http://www.abovetopsecret.com/forum/thread320129/pg1
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