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Thread: How to make a 250mm mortar

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    How to make a 250mm mortar

    The old fashioned way, like when all men had crazy mustaches.
    http://www.liveleak.com/view?i=ba4_1460474795
    "And how we burned in the camps later thinking, what would things have been like, if every security operative, when he went out at night to make an arrest, had been uncertain, whether he would return alive and had to say good-bye to his family?"

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    Site Admin & **Team Gunsnet Silver 12/2012** Richard Simmons's Avatar

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    Amazing! Thank you for posting this.
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    Team GunsNetwork PLATINUM 10/2012 rci2950's Avatar

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    gives a better perspective on how much goes into these. Really interesting.
    Gunsnet member since 2002
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    Administrator Krupski's Avatar

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    Quote Originally Posted by 5.56NATO View Post
    The old fashioned way, like when all men had crazy mustaches.
    http://www.liveleak.com/view?i=ba4_1460474795


    Here's what the text screens said:

    Quote Originally Posted by Cool Old Movie
    Mortar Instructional Film Number 2, part 2.
    A School of Mortars Production


    The cast block is preheated in a forge.
    The block weight is 1650 kilograms.


    The heated block is forged under a steam hammer
    The block weight is 6000 kilograms.


    The unusable end is cut off.


    The front of the forged block is finished forging under a
    2000 ton forging press (The lower "pipe edge" is reforged).


    Drilling of the "tube" (bore).

    The core at the center of the 470 kilogram pipe is broken out
    by wedges. The weight of the core is 240 kilograms.


    Cutting the rifling.
    Some of the weights don't seem to make sense... but that's what they said, so....

    An awful lot of ass-busting goes into making that little "pipe"...
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