early 1900s

  1. Grey Havoc

    Aeronautical Syndicate Ltd (ASL) Valkyrie

    https://elpoderdelasgalaxias.wordpress.com/2021/03/31/asl-valkyrie-illuminating-duck/
  2. A

    Two Peculiar British Designs

    These projects date back to the beginning of the 20th century when many warship experiences and design concepts were developed. Neither proved to be viable. There is little information about these projects and in one case it is only possible to speculate on certain specifications. The first...
    • Akaloso Dudu
    • Thread
    • admiralty british empire early 1900s early 1910s early 20th century great britain pre-world war i royal navy
    • Replies: 12
    • Forum: Secret Naval Projects
  3. blackkite

    Japanese aircraft pioneer Chuhachi Ninomiya

    Hi! http://en.wikipedia.org/wiki/Ch%C5%ABhachi_Ninomiya http://www.youtube.com/watch?v=5WsPnusghwc
  4. T

    GW Hovgaards Submarine

    I found this rather interesting PDF on what could have been Denmark's first submarine. It's in Danish, so here's the Google translate translation. "Description of Captain V. Hovgaard Project for a submarine. 1900 " Or what could have been Navy's first submarine ... By Søren Nørby, cand. mag...
    • Thiel
    • Thread
    • early 1900s kingdom of denmark pre-world war i royal danish navy
    • Replies: 0
    • Forum: Secret Naval Projects
  5. E

    Ricci Bros Projects: between the aerial motorcycle and the flying transatlantic

    Something about the ricci brothers: Umberto Ricci, born in Verona on November 26, 1886 Ettore Ricci, born in Verona on November 30, 1888: they started their aeronautical career in 1905, building little hot air rigid airship models. After some free flight gliders, they built a triple-tandem...
    • ermeio
    • Thread
    • early 1900s interwar period kingdom of italy pre-world war i regia aeronautica regia marina world war i
    • Replies: 45
    • Forum: Secret Early Aircraft Projects
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