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Thread: British WW2 ?

  1. #11
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    Quote Originally Posted by Bellifortis View Post
    Hi N.,
    really interesting. Do you know if there were any results, the "user" achieved, with the items delivered to him ? While I'm at it, I have a question regarding your speciality of Handgrenades. Who was the inventor of the "Bouchon"-Handgrenade-Fuze ? Meanwhile this fuze is near to universal on most new handgrenades.
    regards,
    Bellifortis.
    I don't know if the devices were actually deployed. I have not seen anything in The National Archives on the subject but I could easily have missed it.

    As for grenade mechanisms there were so many devised during WW1. I suppose if it is the 'rat trap' (rotary striker) mechanism that you seek an inventor for then I would suggest that Leblanc is a good candidate. His UK Patent is GB127293 25th August 1916. I expect there are several other mechanisms and inventors worthy of consideration.
    N.


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    Bellifortis (31st July 2018)

  3. #12
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    The "users" were most likely the SOE team (Force 133 SOE) committed to Operation Locksmith, January to March 1943. The operation did not go to plan with the charges failing to go off, and ultimately the whole team betrayed, captured and executed.

    The National Archives has ADM 1/28910 if anyone is interested in extracting the file on a visit - not currently digitised.

    Summaries of the operation here:

    https://codenames.info/operation/locksmith/

    https://en.wikipedia.org/wiki/Mike_Cumberlege




    Tom.

  4. The Following 5 Users Say Thank You to Snufkin For This Useful Post:

    AE501 (1st August 2018), Bellifortis (31st July 2018), Bonnex (31st July 2018), switch (31st July 2018), TimG (1st August 2018)

  5. #13
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    Strange, that the devices used, did not work. We know, from other operations, that the countermining pistol worked. The "Magnetic Firing Unit M Type B"(Is there any more detailed info on the construction of this device available ?) which had been developed for another project (Do you know which other project is meant ?), sounds like it was tested and that it worked. Thank you N. and Tom for your interesting input.
    Regards,
    Bellifortis.
    Last edited by Bellifortis; 31st July 2018 at 11:58 PM.

  6. #14
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    Quote Originally Posted by Bellifortis View Post
    Strange, that the devices used, did not work. We know, from other operations, that the countermining pistol worked. The "Magnetic Firing Unit M Type B"(Is there any more detailed info on the construction of this device available ?) which had been developed for another project (Do you know which other project is meant ?), sounds like it was tested and that it worked. Thank you N. and Tom for your interesting input.
    Regards,
    Bellifortis.
    The M Unit Type B was developed for use with moored mines and it was a component in the Mine M Type R. I have handled an M Unit (see below) but I don't know what is in it. The case is Bakelite and about 12 cms long.


    M Unitv4.jpg
    N.


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    Bellifortis (1st August 2018)

  8. #15
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    Hi N.,
    I have been searching the net for additional info on the british mine M type R you mentioned. I did not find anything. I'm technically intrigued about the small size (12cm !) for a inductive, magnetic system. The only example of a german WW2 system, that I have seen, was much, much larger. Does anyone here know of any publication that sheds some more light on the subject of british inductive mine-fuzes ? The post WW2 US OP also has no info on any moored inductive system.
    regards,
    Bellifortis.

 

 
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