concrete ships

  1. A

    British WW1 concrete build sailing merchant ships

    Dear Readers, I am well aware this ship isn't naval.. anyway I hope you don't mind me posting it here. Doing research and checking around some stuff over at the internet I accidentally across this vessel in some PDF file. Does anyone know more about this vessel or this project in general...
    • ALVAMA
    • Thread
    • admiralty tugs concrete ships ferro-concrete ferrocement royal navy world war i
    • Replies: 5
    • Forum: Secret Naval Projects
  2. cluttonfred

    Concrete submarines

    I am sure that many remember this Popular Mechanics article or one of the many like it back then on a rumoured type of Russian concrete sub with 200 mph Shkval rocket torpedoes: Concrete Submarines Cheap and deadly, these stealthy boats could shift the balance of naval power. December 1998...
    • cluttonfred
    • Thread
    • 20th century 21st century cold war concrete ships ferro-concrete ferrocement interwar period post-cold war
    • Replies: 31
    • Forum: Secret Naval Projects
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