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  1. #1
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    87mm identification

    Hi,

    i need detailed information about this cartridge.
    Only what i know is the diameter 87mm.

    Thanks

  2. #2
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    Re:87mm identification

    picture 2

  3. #3
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    Re:87mm identification

    Hello Rigby couldnt find much on this round ,so had to resort to wikipedia.
    What you have is a 3.45 inch practice wallbuster round for the british 3.45in recoilless rifle.Hope this helps yoo a bit

    The 3.45 inch RCL was built by the Broadway Trust Company, a company formed by Sir Dennis himself. Sir Dennis was privy to the design of the 20mm m/42, a recoilless rifle designed by the Swedish Carl Gustav company during World War 2, but it had little bearing on his work as the Carl Gustav was a large bore rifle design intended to remove the recoil experienced with anti-tank rifles such as the Boyes ATR or similar large calibre bolt-action rifles which required large cartridges to deliver high velocity rounds. The usefulness of anti-tank rifles was lost as tanks were built with much thicker armour during the war. Although Burney's designs did not have high muzzle velocities, this was negated by the shell being used which used explosive instead of speed and weight to defeat the armour.


    Design
    This was a weapon that could be fired from the shoulder, giving unrestricted traverse or elevation within the limits of the human frame, or mounted on a simple tripod. A portion of the propelling charge bled through holes in the cartridge wall and into a space around the breech and then backwards through four venturis. This counter blast backwards cancelled out the recoil.


    [edit] Specification
    Ordnance, RCL, 3.45in Mk 1

    Weight: 75lb
    Length: 68.55in
    Barrel: 14.75 calibres
    Muzzle velocity: 600 ft / minute
    Range: 1,000 yards
    Ammunition: Cartridge RCL, 3.45 inch WB (\"Wallbuster\&quot
    Type: HESH
    Propellant: 1 lb 2 oz cordite
    Filling : plastic explosive
    Weight: 16 lb 4 oz

    The complete fixed round consists of a cartridge case pierced with holes in the walls,and a thin brass liner to protect the propellant,and a wallbuster shell..It used Base percussion fuze No299

    Suggested reading
    British & American Artillery of World War Two, by Ian V. Hogg


    Post edited by: spotter, at: 2007/06/13 19:08
    Last edited by spotter; 11th February 2009 at 04:19 PM.

    Any Live or Dug ordnance shown by me has been disposed of by military EOD personnel .



    BOCN HELPING TO PROMOTE SAFE RESPONSIBLE ORDNANCE COLLECTING


  4. #4
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    Re:87mm identification

    Many thanks Spotter. This are great information. Data about this cartridge is very hard to find. Thanks a lot.

  5. #5
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    Re:87mm identification

    Anytime ,glad to have been able to help,

    Any Live or Dug ordnance shown by me has been disposed of by military EOD personnel .



    BOCN HELPING TO PROMOTE SAFE RESPONSIBLE ORDNANCE COLLECTING


  6. #6
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    Hello

    i can't see the pictures

    .

 

 

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