Technical Data Required for possible Former Soviet Union B1 Depth Charge/Mine

Dear all,

I am currently sat on about 12 tonnes NEQ of this type of mine/depth charge in Yemen. Physical stockpile and security management is a big issue and these items need to be disposed of safely. I’m keen to know as much about them, with limited resource available here, before I issue the safe-to-move. My guess is that they are the Former Soviet Union B1 Depth Charge, and unlikely to be stored with fuze, but any positive identification or technical data would be much appreciated.

9 answers

  1. Answered by Malc Ingry

    I have made comments on LinkedIn to the above

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  2. Answered by Adrian Wilkinson

    Gareth, sent you some data on Russian mines.

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  3. Answered by Raymond Ollier

    B1 Characteristics:

    Made 1928
    165kg – TNT
    Sinking Rate – 2.5m per second
    Maximum Depth Setting 100m
    Fuze Type – Time or Hydrostatic (Later Models)

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  4. Answered by Paul Clark

    I’ve posted your request on the Bomb Disposal group on Facebook. Will forward any replies…

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  5. Answered by Adam Wheeler

    Hello Gareth,

    I have some technical information on the USSR B1 Depth charge, which may be of some use to you. I would prefer to send it direct to you rather than an open format. Please provide an email address, if you still require the information.

    Regards

    Adam

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  6. Answered by Stuart Taylor

    The size you sent matches the BB1. The only real issue I see without the pistol installed is explosive instability. This was supposedly discontinued after or around 1950s’.

    I know the fuse was tetryl but idk main charge.

    BB1, Total weight, 363.7 lbs (165kg)
    Explosive weight 300 lbs (135kg) TN

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  7. Answered by Mark Rogers

    Hi Gareth,
    I have data and drawings on the B1, contact me via Linkedin with your email address if you still need the information.

    Buck Rogers

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