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My first spud gun

Built a combustion cannon? Then post it here! This section is for completed, finished cannons that you have built. Please include pictures and information.
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My first spud gun

Unread postAuthor: inlimbo » Tue Dec 19, 2006 7:39 pm

Image
Here is my first spud gun.
It is made of 3 inch abs reduced down to 1.5 abs.
I see alot of pvc spud guns but trust me I work with abs and pvc everyday.I yet have seen abs break.If you do use pvc make sure its shedule 80 as shed 40 is too brittle.[/img]
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Unread postAuthor: Insomniac » Tue Dec 19, 2006 7:49 pm

Can anyone else see the picture????? I can't :cry:
Is it the way he uploaded the pic or is it just my pc????
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Here let me try again

Unread postAuthor: inlimbo » Tue Dec 19, 2006 8:04 pm

Try this again , if it doesnt work I have added it to the album
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Unread postAuthor: PVC Arsenal 17 » Tue Dec 19, 2006 8:05 pm

negative.



.
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Unread postAuthor: Insomniac » Tue Dec 19, 2006 8:17 pm

hehehe I see it now. Looks good, but are they DWV fittings?? Take some more pics, I love the paintjob
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Unread postAuthor: noname » Tue Dec 19, 2006 10:40 pm

Nice gun, I like the paintjob.
Sch 40 PVC is fine, Sch 80 is too expensive and hard to get.
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Unread postAuthor: Insomniac » Tue Dec 19, 2006 10:50 pm

I agree with noname, sch 40 is fine, the only problem is its more likely to go KABOOM if you drop it while pressurised....But then sch 80 shrapnel probably hurts more than sch 40..... but this is a combustion so it won't go off if you drop it.
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Unread postAuthor: noname » Tue Dec 19, 2006 11:07 pm

Dude, any shrapnel is going to hurt like hell anyway, Sch 40 or 80. Just don't drop it. Plus, a normal combustion can't produce enough pressure to blow the PVC apart.
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Unread postAuthor: Insomniac » Tue Dec 19, 2006 11:20 pm

Yeah I know I was joking. Still, sch 80 is heavier and I suppose it would cut you deeper.
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Unread postAuthor: inlimbo » Tue Dec 19, 2006 11:29 pm

The are dwv fittings what I have done though is used 3" couplings and glued them togerther at the combustion chamber,that way everything is double walled making it stronger. on the back i used a 3by 2 reducer and a 2"fitting clean out.Lose less propane filling and easier to use than a 3 in ch.The handle on the 3 by 1.5 has been filled to stop any combustion from entering it protecting the trigger.
As for pvc I use it when plumbing ground services and when i just moving pipe around It tends to break. Abs I can through around the job site with no worries.
Shed 80 is exspensive but is found at most irrigation shops.
Will add more pics soon.
Thanks for the comps
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Unread postAuthor: inlimbo » Wed Dec 20, 2006 12:21 am

Sorry for the mistake it is solid wall abs!Not cell core.
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Unread postAuthor: experament_u2 » Wed Dec 20, 2006 12:39 am

nice first gun beter than mine was
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Unread postAuthor: SpudBlaster15 » Wed Dec 20, 2006 12:45 am

Good to see more people catching on with the ABS fad. Few realize that it is a far superior combustion cannon building material. Nice gun!
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Unread postAuthor: noname » Wed Dec 20, 2006 5:42 pm

It's also a little cheaper, which is nice when you get into 3" and 4" pipe.
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Unread postAuthor: spit_spud » Mon Dec 25, 2006 2:55 am

2"is enough, its a big boom already, abs can also be used for combustion, much cheaper.... :P :P
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