imperial japanese navy

  1. Grey Havoc

    Japanese 1944 Differential analyser

    Built by Osaka Imperial University and Syowa Kookuu-keiki Co.Ltd., likely on a Imperial Japanese Navy contract. Note that postwar the Japanese use the American spelling for analyser, i.e. analyzer. There are a couple of pictures at the original article. It had an older (completed in 1942)...
  2. Stargazer

    Hiro Type 95 Land-based Medium Attack, Twin Engine (G2H1)

    In 1932, the Imperial Japanese Navy issued a specification for its 7-Shi Land-based Attack. The only known contender (and winner) of that competition was the Hiro G2H1, or Type 95 Land-based Medium Attack, Twin Engine, also commonly known as the "Dai-ko" or "Big Attack." It was a remarkably...
  3. 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.
  4. blackkite

    IJN Specification 12-Shi (E12/E13, Reconnaissance Seaplane, 1937)

    Hi! Kawanishi E13K. http://www.airwar.ru/enc/sww2/e13k.html Auto translation. In 1937, the Imperial Japanese Navy decided to change the old Scout Kawanishi E7K seaplanes (Navy Type 94 Reconnaissance Seaplane) to more advanced aircraft. For this purpose, contracts were signed with companies...
  5. blackkite

    Aichi 16-Shi Navy Reconnaissance Seaplane (E16A Zuiun) (AM-22)

    Hi! Aichi E16A1 Zuiun.
  6. Grey Havoc

    Kaiten (Oga base memorial park)

    I thought we already had a thread on these, but I must have been wrong. http://ajw.asahi.com/article/behind_news/social_affairs/AJ201404060014 IMAGE CREDIT: THE ASAHI SHIMBUN
  7. sublight_

    I-400 Aircraft Carrying Subs

    Giant World War II aircraft-carrying submarine discovered off Oahu coast A World War II-era Imperial Japanese Navy mega-submarine, the I-400, lost since 1946 when it was intentionally scuttled by U.S. forces after its capture, has been discovered in more than 2,300 feet of water off the...
  8. Grey Havoc

    Disaster Relief Operations by the Imperial Japanese Navy and the US Navy in...

    ...the 1923 Great Kanto Earthquake. http://www.mod.go.jp/msdf/navcol/SSG/review/1-2/eng_1-2-4.pdf
  9. Stargazer

    Some mysterious Japanese projects...

    While going through some Japanese sources I came across these seemingly undocumented projects: 7-Shi Special Bomber (one Nakajima prototype built — program cancelled) 7-Shi Reconnaissance Seaplane [E7N] (unbuilt Nakajima contender of the E7K "Alf" and E7A) 8-Shi Fighter (Nakajima proposal —...
  10. J

    Yokosuka (Kugisho) MXY6 motor glider (proof-of-concept for Kyushu Shinden)

    Hi! :)
  11. blackkite

    Kawanishi 9-Shi Night Recce Seaplane > Type 94 Transport Seaplane (E10K)

    Hi! Kawanishi E10K. It was the furst Kawanishi designed flying boat as 9-shi night reconnaissance seaplane. But not selected by the IJN. One prototype was converted into transport version as 94-shiki transport flying boat which had the gear for land transportation. Source:ENCYCLOPEDIA OF...
  12. Stargazer

    Japanese Navy competition programs

    7試 7-Shi Twin-Engined Carrier Aircraft (1932) Mitsubishi 3MT5 and 3MT5A > Type 93 Land-Based Attack [first G1M] 7試 艦上戦闘機 7-Shi Carrier Fighter (1932) Mitsubishi 1MF10 Nakajima NC? NK1F? 7試 艦上攻撃機 7-Shi Carrier Attack (1932) Aichi AB-8 Mitsubishi 3MT10 / Ka-5 Nakajima [B3N]...
  13. redstar72

    Mitsubishi 1MT1 - help request

    Hi all! Maybe somebody can help with better, or at least bigger, drawing of this triplane monster? The only one which I could find is this (see attachment). I found it here: http://www.straggleresearch.com/2010/10/navy-type-10-carrier-torpedo-aircraft.html.
  14. Jemiba

    Aichi M6A1 « Seiran »

    Reading the chapter about the Aichi M6A1 Seiran/I-400 submarine in "Strike From Beneath The Sea" by Terry C. Treadwell, I wondered, why this aircraft actually were fitted with floats ? In the mentioned book and in other sources, too, it's said, that they should be catapulted from the submarine...
  15. Pelzig

    Kawanishi KX-03 giant 500-ton flying boat

    New one to me. 500 tons? What a monster that would have been. The H11K Soku was the KX-8 internally to the company. If the designators went in order, then one can surmise that the KX-3 was a proposal which pre-dated the H11K. Still, I bet no sane military official would have given such a...
  16. blackkite

    Aichi Navy Experimental Night Reconnaissance Seaplane (AM-16)

    Hi! Aichi AM-16 experimental night reconnaissance seaplane. This flying boat was not completed. Only fuselage was completed. Engine:aircooling in-line inverse 6 cylinder Menasco Super Buccaneer, max power 300HP Wing span:15m, Overall length:11.8m. Height:4m, Wing Area:38.6m2, MTOW:3,300kg, Self...
  17. hesham

    Hiro Kosho H1H, H2H, H3H and H4H Flying Boats

    Hi, has anyone a drawing to Hiro H10H1 medium flying boat for 14-Shi Specification ?,and it was never completed.
  18. blackkite

    RENZAN first flight movie

    Hi! Renzan first flight movie. Enjoy. http://www.ne.jp/asahi/airplane/museum/cl-pln6/RENZAN.html http://www.ne.jp/asahi/take/pr/museum-a/AVIFILE/RENZANavi.html I recommend you to install GOM player in your PC when you can't see this movie.
  19. blackkite

    Various Nakajima projects and prototypes

    Hi hesham enjoy! I will report specification of these aircrafts near future. http://www.ne.jp/asahi/airplane/museum/nakajima/91sen/91SEN.html You can see many interesting topics when you click bottom parts of this site.
  20. windswords

    Yokosuka 12-Shi Special Flying Boat (H7Y)

    Does anyone have any info or pics or drawings of this airplane? I just discovered the existence of this plane while visiting Dave's Warbirds - http://www.daveswarbirds.com/Nippon/aircraft/Tillie.htm I did a google search and found no other info on this project except for a Czech site -...
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