Boom! The classic potato gun harnesses the combustion of flammable vapor. Show us your combustion spud gun and discuss fuels, ratios, safety, ignition systems, tools, and more.
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Carlman
- Staff Sergeant 2

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- Location: Western Australia
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Sun Aug 24, 2008 8:43 pm
Wow mate bloody beautiful!!
loving every bit!
keep it up


Aussie spudders unite!!
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starman
- Sergeant Major


- Posts: 3027
- Joined: Wed Dec 12, 2007 12:45 am
- Location: Simpsonville, SC
Sun Aug 24, 2008 10:41 pm
Beautiful Piece!! Aren't dads great sometimes... 8)
This reminds me of something that would have come out of tv show and even the Will Smith movie
"The Wild Wild West". Based in the late 1800s, they were coming up with all kinds of cool mechanical contraptions to save the day.
If you have the inclination, I would love to see this thing in operation on video.
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Hailfire753
- Specialist 3

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- Location: Near Philadelphia, PA
Mon Aug 25, 2008 7:22 am
Wow, that is awesome! It looks like its from.... I don't know what, but it looks amazing!
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critical_al
- Private

- Posts: 7
- Joined: Fri Sep 29, 2006 7:20 am
Tue Aug 26, 2008 4:06 pm
The chamber is made from a Naval shell casing, WW1, along with most of the other brass work, all picked up off car boot sales for not very much money at all.
The only major parts bought new were the barrels, 28mm copper as brass would have been ridiculously expensive. Some other small bits, like gas fittings were also bought but the majority was custom machined from
stock. In total about £70 spent, but a lot of the material came from 'stock' so hard to tell what it would cost to make if you bought everything.
I've been modifying the ignition recently as there was some scorching on the wiring inside the chamber, but a couple of weeks ago when we last fired it we could get about 7 seconds repeat time, for as long as you want to keep going. I expect with a bit more fiddling and a well drilled team for reloading that will come down to about 5 secs or less. Not exactly gatling speed, but that was never really the point of this project.
As soon as I get it re-assembled (when work stops getting in the way of my free time) I'll have a go at some video clips, might be a week or so though as work taking most of my attention at the moment
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ALIHISGREAT
- Staff Sergeant 3

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- Joined: Sat Aug 25, 2007 6:47 pm
- Location: UK
Tue Aug 26, 2008 4:28 pm
would you mind telling me where these car boot sales are?

and i'm going to watch this thread like a hawk waiting for the video

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jor2daje
- Specialist 4

- Posts: 418
- Joined: Sun Oct 05, 2008 9:41 pm
- Location: Southern California
Wed Nov 05, 2008 10:12 pm
My god this thing is gorgeous lol, sorry if you already said but whats do you ignite it with.
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cowkiller
- Private 2

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- Joined: Sun Oct 19, 2008 10:05 pm
- Location: kansas
Wed Nov 05, 2008 10:28 pm
do you think you could post diagrams or anything i would love to build one like it i can understand if you don't want to but i think this could be my winter project
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jackssmirkingrevenge
- Five Star General

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Thu Nov 06, 2008 12:32 am
cowkiller wrote:do you think you could post diagrams or anything i would love to build one like it i can understand if you don't want to but i think this could be my winter project
If you want to embark on such an ambitious project and need diagrams, three months is probably a bit unrealstic - it's more likely to be your puberty project

hectmarr wrote:You have to make many weapons, because this field is long and short life
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cowkiller
- Private 2

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- Location: kansas
Fri Nov 14, 2008 12:48 am
If you want to embark on such an ambitious project and need diagrams, three months is probably a bit unrealstic - it's more likely to be your puberty project

well i have a lot of connections to either get parts or machine parts. and for the record i am married and have 3 kids i think i am past the puberty stage.
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jackssmirkingrevenge
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Fri Nov 14, 2008 1:37 am
My apologies, I took the complete lack of punctuation and tone of your post to be an indication that you were a lot younger, ah well.
hectmarr wrote:You have to make many weapons, because this field is long and short life
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psycix
- Sergeant Major 4

- Posts: 3684
- Joined: Mon Jun 25, 2007 7:12 am
- Location: The Netherlands
Fri Sep 25, 2009 9:14 am
I seem to have missed this one. It's a very nice piece of work indeed.
Thanks for bumping

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Reactor4
- Private 3

- Posts: 58
- Joined: Fri Oct 02, 2009 9:56 pm
Fri Oct 02, 2009 10:16 pm
I do not feel worthy letting my eyes bask in the glorious amalgamation of brass, wood and copper you have here to create a cannon. (haha nice clip iknowmy3tables).