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Thread: Mortar platforms

  1. #1

    Mortar platforms

    What are specs. for mortar pltform

  2. #2
    Des is offline
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    Re: Mortar platforms

    12 pounder

    28 1/2 long, 14 1/4 wide, 9 1/4 tall
    Front of bed to center of trunion 13 1/2

    24 pounder

    30 3/4 long, 15 wide. 9 1/2 tall
    Front of bed to center of trunion 15 1/2
    Des Donnelly
    1st Regiment Virginia Volunteers
    12385

  3. #3
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    Re: Mortar platforms

    Mortar bed or mortar platform? The bed of the mortar in which the tube sits has the dimensions already described. However,there was also a prescribed oak platform for the 24 pound coehorn that the bed would sit on for leveling purposes. This consisted of 18 three and one half by five inch deck planks 105 inches long held together by 3/4 inch wooden dowels 4 to each plank. These rested on 6 sleepers same dimension 96 inches long with a 15 inch space between. Iron eye bolts held the thing together and kept the deck from shifting. Don't know how many were utilized as the size and weight would have been a logistical nightmare.
    Michael Moore, 10261

  4. #4
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    Re: Mortar platforms

    The platform that you describe would more likely have been used for the 8 or 10 inch mortars, but would have been used by the 24 pdr if practicable.
    Norm Gibson
    Charter member of the 1st South Carolina Vol. Inf. ACWSA

  5. #5
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    Re: Mortar platforms

    I made an exact 1/4 scale seige mortar platform to arsenal specs that we used in N-SSA and Grayling competition for several years. We used a 24-pdr coehorn mortar on it. The full scale seige platform is huge and would make a good foundation for a small house!! (Well, hunting cabin, maybe) We did the whole deal with fox wedges retaining the locating dowels, eye bolts to hold it together and all. But I finally decided it took too much time to set up and level properly, so now we use a 1' sheet of particleboard, painted OD green and place a rubber sheet between it and the mortar bed to limit recoil. Morter shoots about the same. But the platform definitely has the "cool" factor!

  6. #6
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    Re: Mortar platforms

    how about using such a platform for shooting a mountain rifle on for cannon match.??

    rick bryan
    3rd va co B
    ODD
    11434

  7. #7
    MR. GADGET's Avatar
    MR. GADGET is offline Moderator
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    Re: Mortar platforms

    Got me thinking, has anyone used a fixed mount for a cannon. Or maybe a wheeled deck gun type.
    Thinking it would be harder to move but should shoot good. Maybe cheeper.

    The bases that were used on some navy cannons look real cool.
    MR. GADGET
    NRA LIFE BENEFACTOR MEMBER
    Rowan Artillery


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