ministry of the navy (japan)

  1. D

    IJN Mogami 10" Gun Alternative and Maru-3 10" Gun Super-A Cruiser Project

    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...
    • donnyjie
    • Thread
    • 1930s early 1940s empire of japan heavy cruiser hunter-killer cruiser imperial japanese navy imperial japanese navy technical department interwar period ministry of the navy (japan) super-a world war ii
    • Replies: 3
    • Forum: Secret Naval Projects
  2. Tzoli

    Cruiser Projects and Designs of the IJN

    Here I gathered all the various cruiser designs and projects proposed for the Imperial Japanese Navy Protected Cruisers: Not found any so far except the cancelled sister ships of the Unebi and Tone classes Light Cruisers: Design C-19 (1912) - A primary mine-layer cruiser design offered before...
    • Tzoli
    • Thread
    • anti-aircraft cruiser cruiser empire of japan heavy cruiser imperial japanese navy imperial japanese navy technical department interwar period light cruiser ministry of the navy (japan) pre-world war ii world war ii
    • Replies: 84
    • Forum: Secret Naval Projects
  3. T

    IJN experimental foreign aircraft

    Hi. From the Research Topics - Designations Systems Forum part: Are there any further data/infos/pics in japanese service available on these IJN experimental aircraft? Yours tom! ;)
    • tom!
    • Thread
    • empire of japan imperial japanese navy imperial japanese navy air service ministry of the navy (japan)
    • Replies: 22
    • Forum: Secret Early Aircraft Projects
  4. C

    IJN AA cruisers

    Japanese Wikipedia entry on Akizuki class DD stated that IJN started in 1936 to study dedicated AA vessels following the example of Dido class. They contemplated anything from a 1000 ton torpedo boat armed with a single 10 cm or 12.7 cm AA gun to a quite large cruiser equipped with 12 double...
    • ceccherini
    • Thread
    • aa gun anti-aircraft anti-aircraft cruiser cruiser destroyer early 1940s empire of japan imperial japanese navy imperial japanese navy technical department late 1930s ministry of the navy (japan) pre-world war ii world war ii
    • Replies: 27
    • Forum: Secret Naval Projects
  5. blackkite

    IJN Specification 10-Shi (F1, Reconnaissance Seaplane, 1934)

    Hi Aichi F1A. Competitor of Mitsubishi F1M. There was a sea plane version and a land base plane version of F1A.
    • blackkite
    • Thread
    • 1930s 1934 empire of japan imperial japanese navy imperial japanese navy air service interwar period ministry of the navy (japan)
    • Replies: 20
    • Forum: Secret Early Aircraft Projects
  6. OM

    The Zero - Self-Sealing tanks?

    ...According to comments from someone on another forum, the Jap Zero's main weakness was that its fuel tanks were not "self-sealing", and that once hit they leaked profusely. Was this actually the case, and can anyone provide info on just exactly how the self-sealing tanks on Allied planes...
    • OM
    • Thread
    • commonwealth of australia empire of japan fighter fighters imperial japanese navy ministry of the navy (japan) mitsubishi pacific ocean theater self-sealing fuel tanks world war ii
    • Replies: 7
    • Forum: Aviation & Space
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