interwar period

  1. 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...
  2. S

    British hybrid battleships: projects and proposals

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

    Eendracht-class cruiser (as designed pre-war)

    Does anyone have: - general plans and armor scheme of the Eendrachts. For the armor, the correct figures seems to be 100mm belt of unknown height and length closed by 60mm traverses at the end barbettes, with 75mm armor extending beyond the citadel on the sides for an unknown distance, topped by...
  4. Grey Havoc

    Lullingstone Airport

    View: https://www.youtube.com/watch?v=cQZgi1O1Vb4 Some background on decoy airfields: https://www.aviationmuseum.net/AirfieldDecoys.htm
  5. Dynoman

    Unknown Three Seat Airplane Design Early 1920s

    Looking for more information or positive identification of the pictured aircraft. Possibly Huff Daland Type IX Coastal Observation aircraft? May be a 3-view or proposal description out there.(Note: Vertical stabilizer appears to be missing. the lines on the horizontal stabilizer looks as though...
  6. VictorXL188

    Bristol Type 112

    Hi I don't know if anyone will be able to help me, but I live in hope. For Specification F.29/27, the Westland COW Gun Fighter and the Vickers Type 161 are well documented in both text and pictorial form. However the third entrant to the specification, the Bristol Type 112 seems to be bereft of...
  7. Dronescapes

    The Invention Of The Jet Engine: Hans Von Ohain. The lost interviews.

    The Invention Of The Jet Engine: Hans Von Ohain, One Of The Fathers Of the Turbojet
  8. klem

    Karl Poggensee early rockets.

    The Hermann Oberth Raumfahrt Museum has acquired a file of documents containing photographs, newspaper clippings and comments from Karl Otto Engelbert Poggensee (born December 3, 1903 in Bremen) student of Hinderburg-Polytechnikum, Oldenburg, covering the essays that it carried out between 1930...
  9. Grey Havoc

    Relay computers

    View: https://www.youtube.com/watch?v=_j544ELauus
  10. Apophenia

    Dyle et Bacalan & SAB Designations

    Société Dyle et Bacalan - 1924-1929 In 1924, shipbuilders Société de Travaux Dyle et Bacalan of Bordeaux established an aeronautical division to design and build aircraft of all-metal construction. This shipbuilding firm went bankrupt in 1928 and was bought by the Ateliers et Chantiers...
  11. le max

    Mysterious spanish battleship or battlecruiser

    Andrés López (from "Proyectos y prototipos españoles" on facebook) talked in 2018 about a painting in the maritime museum of barcelona in which an unidentified battleship or battlecruiser is portrayed. He said this: "No hay ningún dato sobre sus características ni fecha. Es más, si uno repasa...
  12. le max

    Argus As 5 question

    I visited the polish aviation museum in krakow yesterday and I saw the only surviving argus as 5 engine. There It said that there were plans to install the engine in a giant plane, but this project was canceled. Are there any info or/and drawings of that plane? Thanks in advance
  13. ptdockyard

    Question on Italian 135mm and 65mm naval weapons

    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...
  14. F

    Batignolles Chatillon DP or DP1

    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...
  15. T

    1935-45: airforce on a tight budget & schedule

    Everybody and his brother were trying to have as good as aiforce/air-service as possible, and especially in the specified time frame, but many times the available budget was a serious brick wall between the desires and reality. What kind of aircraft should a not-rich, but a reasonably developed...
  16. YourChair

    French 400, 406, 420, and 431mm naval gun designs from the late 30s

    Hello! The book French Battleships 1922-56 mentions that for the Alsace-class battleship designs, studies for 400, 406, and 420mm guns were ordered. Additionally, a 406mm naval gun was created by the Schneider company for the Soviet Union, and a 431mm naval gun was created: the elusive Canon de...
  17. H

    Did the Spanish have any plans on replacing Dedalo I?

    As we know, Dedalo was a German merchant ship confiscated during WW1 and converted by the Spanish into a seaplane tender in 1922. Dedalo well demonstrated the utility of an aircraft capable ship by supporting the Spanish-French landings at Alhucemas during the Rif War in Morrocco in 1925. In...
  18. U

    Question about Bonfiglietti's Carrier Project.

    https://naval-encyclopedia.com/ww2/italy/aircraft-carrier-aquila.php?amp=1 According to the site above, there are several aircraft carrier plans planned by Regia Marina's Lieutenant General Bonfiglietti, does anyone know more about this?
  19. J

    CLW Curlew

    SPF contributor Motocar posted to his website this cutaway of the CLW Curlew. The post referenced his source, an archival version of the German magazine Flugsport for 1937. I couldn't find a thread for CLW here at SPF, so I started this one as this airplane contains some structural details...
  20. hesham

    Villiers Aircraft

    Hi, as I promised to talk about this company,in 1924, the French aircraft manufacturer Ateliers d'Aviation François Villiers was formed at Meudon near Paris,later I will mention its list. Vil.I ? was unknown,but may it was a single seat carrier based fighter project of 1924 competition Vil.II...
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