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  • Bowling ball mortar

    Here's a project I recently finished:
    Its a functioning replica of a 1844 Costal Defense mortar built mostly with about 450 lbs. of 1/4" plate,
    a 300 cu.ft. gas cylinder, and a 7" section of 6" roundstock for the breech plug/powder chamber.
    Using a 1/4 pound charge of Black Powder, these will shoot a bowling ball about 500 yards.


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    Last edited by Winger Ed.; 05-04-2011, 01:24 AM.
    "Gone are the days of wooden ships, and Iron men.
    I doubt we'll see either of their likes again".

    Circa 1920.
    Author:
    Unknown US Coast Guard unit Commander.

  • #2
    ****!!!!! 500 yards is a heck of a range with an 18 Lb bowling ball. You have way too much spare time on your hands, but I like it anyway. Any concern of splitting the barrel with a 1/4 pound charge? Thats a pretty good bit of powder, must be a heck of a show when you light it off.
    Bob

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    • #3
      That's Cool. I saw the one on Pawn Stars shoot...Bob
      Bob Wright

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      • #4
        Great Job, I built a blackpowder cannon out of a high pressure hydraulic cylinder almost 20 years ago. It would shoot 1 lb coffee cans filled with cement about 1/4 mile. I can't find coffee "cans" anymore but it also will use large block chevy pistons for projectiles. Charge was 3 oz of ffg blackpowder.

        Thurmond
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        • #5
          Originally posted by aametalmaster View Post
          That's Cool. I saw the one on Pawn Stars shoot...Bob
          Yep - that is cool - I too saw that Pawn Stars episode - can't remember what they paid for it but it was quite a bit if I remember right....

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          • #6
            [QUOTE=Rbeckett;264778 Any concern of splitting the barrel with a 1/4 pound charge? Bob[/QUOTE]No, 4 oz. by weight is pretty much the standard for these.
            Youtube has lots of videos of folks firing them, and many are just the top section of a tank with a fuse hole drilled in it. The serious Black Powder cannon guys refer to those as 'Darwin Mortars'.

            There's recomendations as to which type & what stamped numbers to look for on a potential tank-- mine checks out.
            The 60 lb, 6" round stock firing/powder chamber with a 2" dia., and 2" deep hole actually takes most of the pressure when its fired.
            The outside band on the mid-section is really just for looks, its also made from the same gas cylinder.
            The breech plug/firing chamber goes into that doubled section a inch or so, and the front band is 3/16" flat bar. I don't think the barrel will split..
            Attached Files
            Last edited by Winger Ed.; 05-04-2011, 11:33 PM.
            "Gone are the days of wooden ships, and Iron men.
            I doubt we'll see either of their likes again".

            Circa 1920.
            Author:
            Unknown US Coast Guard unit Commander.

            Comment


            • #7
              Originally posted by willy View Post
              Pawn Stars episode - can't remember what they paid for it but it was quite a bit if I remember right....
              Thanks everybody..
              I saw that episode too. The one they bought was a Coehorn type.
              They are smaller, lighter, and traveled with mobile Infantry & Artillery forces.
              They have a big block of wood for a base instead of a cast Iron sided sled.
              The coastal defense ones were the big, fixed position, several thousand pound monsters
              that shot Iron balls weighing up & over 200 pounds.
              As I recall, the Pawn Stars paid about $3,500 for it, which is pretty high unless its a cast Iron barrel.
              A season or so later, I saw it sitting on the floor in their warehouse area. So, it probably hasn't been resold yet.
              Last edited by Winger Ed.; 05-04-2011, 11:32 PM.
              "Gone are the days of wooden ships, and Iron men.
              I doubt we'll see either of their likes again".

              Circa 1920.
              Author:
              Unknown US Coast Guard unit Commander.

              Comment


              • #8
                About time it is finished Ed. Glad to see you have been productive while I have been gone
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                • #9
                  I was in Vegas a few weeks back..........the Cannon was still in the showroom..Jim
                  Originally posted by Winger Ed. View Post
                  Thanks everybody..
                  I saw that episode too. The one they bought was a Coehorn type.
                  They are smaller, lighter, and traveled with mobile Infantry & Artillery forces.
                  They have a big block of wood for a base instead of a cast Iron sided sled.
                  The coastal defense ones were the big, fixed position, several thousand pound monsters
                  that shot Iron balls weighing up & over 200 pounds.
                  As I recall, the Pawn Stars paid about $3,500 for it, which is pretty high unless its a cast Iron barrel.
                  A season or so later, I saw it sitting on the floor in their warehouse area. So, it probably hasn't been resold yet.
                  Welding in Crete
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                  • #10
                    Originally posted by STRENGTH AND POWER View Post
                    About time it is finished Ed. Glad to see you have been productive while I have been gone
                    Yeah, yeah,yeah,,,,, You snot nosed, young a##-^(, so & so,,,,,,,:
                    I got socks & underwear older than you are.

                    Productive?
                    What do ya know about that %#*@?.......
                    Heck, I've been slaving over a hot Paint gun, Antique MIG, a pair of worn out Vice-grips,
                    and a cheap Cresent wrench:
                    While you've been cruising around in that luxury edition, Company truck---
                    Probably soaking up the sun,, laying on the beach,, working on your 'Tan',
                    entertaing 'Ladies of the night', and just generally having a grand ole' time.
                    Last edited by Winger Ed.; 05-07-2011, 01:42 AM.
                    "Gone are the days of wooden ships, and Iron men.
                    I doubt we'll see either of their likes again".

                    Circa 1920.
                    Author:
                    Unknown US Coast Guard unit Commander.

                    Comment


                    • #11
                      Ever seen the cannons on YouTube??? Some of them are impressive...especially when the wind blows over the finger holes...Makes a erie sound!!
                      Jonesy

                      Comment


                      • #12
                        Originally posted by Winger Ed. View Post
                        Yeah, yeah,yeah,,,,, You snot nosed, young a##-^(, so & so,,,,,,,:
                        I got socks & underwear older than you are.

                        Productive?
                        What do ya know about that %#*@?.......
                        Heck, I've been slaving over a hot Paint gun, Antique MIG, a pair of worn out Vice-grips,
                        and a cheap Cresent wrench:
                        While you've been cruising around in that luxury edition, Company truck---
                        Probably soaking up the sun,, laying on the beach,, working on your 'Tan',
                        entertaing 'Ladies of the night', and just generally having a grand ole' time.

                        I need to start looking over my shoulder more, you are spot on
                        Miller 350P
                        Miller Econotig
                        Milwaukee Dry saw
                        Evolution Dry saw (for sale)
                        Scotchman 350 cold saw
                        7x12 bandsaw
                        1910 ATW 14 x 72 lathe
                        fridge full of adult beverages
                        Sirius radio

                        www.snpequipment.com
                        callouses and burns a plentysigpic

                        Comment

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