Combustion Cannons

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SpudFiles Potato Gun Commercial

Last post by quinn whitsitt
Replies: 15
by PCGUY » Tue Oct 29, 2013 10:54 pm
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First post

I've been wanting to get in some spud shooting action this fall before the weather got cold. I know it's been a while since I filmed anything for...

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thank you for creating this website is there anything i can do to help
15 Replies

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Last post by quinn whitsitt
Fri Feb 09, 2024 2:38 pm
Sparker Reference Guide

Last post by quinn whitsitt
Replies: 45
by rcman50166 » Tue Feb 05, 2008 4:19 pm
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First post

OK. Everyone always seems to know more than me in almost every topic on this site. But this is my domain! High voltage electricity is what i know...

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great job how can i help the fourms
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Last post by quinn whitsitt
Fri Mar 01, 2024 10:52 am

Topics

MPS Gas?

Last post by LGM
Replies: 3
by jjjd » Tue Jan 16, 2007 1:50 pm

First post

I was at canadian tire a while ago and i was wondering if MPS gas could be used in a cannon? Does anybody know the fuel to air mixture and if it...

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MAPP is a great fuel for minis, has more muzzle speed than butane.

3 Replies

2354 Views

Last post by LGM
Mon Feb 12, 2007 7:49 pm
cheap ignition

Last post by Mic Whitey
Replies: 14
by BIKER180360 » Wed Feb 07, 2007 6:25 am

First post

I've built all of my spud guns with bbq igniters. What is the cheapest way of ignition that can be used over and over because i plan on making a...

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I use lateran lighters the most. cheap, easy to use and effective.
I also use a car ignition coil. I hooked up my strobe light to it and I can
get a...

14 Replies

6851 Views

Last post by Mic Whitey
Mon Feb 12, 2007 5:27 pm
safe?

Last post by muddyspudman
Replies: 55
by crsaz » Thu Dec 28, 2006 5:32 am
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Ok, so I am in the process of building my first cannon the chamber is 4 x2'
abs pipe, said rated to 425 psi but I don't beleive it. All I have left...

Last post

that doesn't look good to me, wouldn't want to dig Shrapnel out of your leg. did you pre drill your holes??
55 Replies

20406 Views

Last post by muddyspudman
Mon Feb 12, 2007 4:21 pm
Transformer

Last post by FiveseveN
Replies: 4
by coolboarder58 » Sun Feb 11, 2007 12:02 pm

First post

so i'm making an ignitor for my spud gun, my mom wont let me buy a stun gun so im building one :D . i got the whole thing built but my transformer...

Last post

I'm guessing the end with 2 leads is the primary and the others are secondaries. As long as they're wound with the same kind of wire, you can measure...

4 Replies

2114 Views

Last post by FiveseveN
Mon Feb 12, 2007 5:26 am
How do i calculate a c:b ratio?

Last post by SpudBlaster15
Replies: 6
by spudkilla » Sun Feb 11, 2007 6:00 pm

First post

I am building a combustion cannon (hopefully fairly large 7-10 feet long)and I was wondering how long should the chamber be( 3 inch in diameter),and...

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Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras nec placerat erat. Vivamus dapibus egestas nunc, at eleifend neque. Suspendisse...

6 Replies

2568 Views

Last post by SpudBlaster15
Sun Feb 11, 2007 10:19 pm
My first cannon(minis dont count)

Last post by jjjd
Replies: 17
by jjjd » Sat Dec 02, 2006 10:15 pm
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This is my very first cannon, it only cost me $30 canadian to build and i will ge making it propane over the weekend, the fan is from a hairdryer you...

Last post

Im not really shure, either way the casing on it broke so it has no way to stay on place, i dont use it anymore i have my bigger cannon with almost...
17 Replies

7784 Views

Last post by jjjd
Sun Feb 11, 2007 8:29 pm
The cheapest fuel

Last post by VH_man
Replies: 41
by thedub88 » Sun Dec 10, 2006 3:09 pm
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I'm new to this site, and been reading alot of the posts. I haven't heared of anyone using gasoline. Me and a friend made a couple of tater guns and...

Last post

Ha Ha i used AXE for my mini...... it goes from AXE to Ass...... Phewww
41 Replies

15858 Views

Last post by VH_man
Sun Feb 11, 2007 6:31 pm
I'm not getting Combustions

Last post by SpudBlaster15
Replies: 22
by The_Crackerjack_Man » Sat Feb 03, 2007 10:43 pm
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Please dont yell at me but none of my searchs found this. I just want to know how the whole combustion cannon ends up fireing? I thank anyone who...

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Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras nec placerat erat. Vivamus dapibus egestas nunc, at eleifend neque. Suspendisse...
22 Replies

9443 Views

Last post by SpudBlaster15
Sat Feb 10, 2007 12:54 am
First cannon

Last post by SpudBlaster15
Replies: 7
by paaiyan » Fri Feb 09, 2007 12:22 am

First post

OK granted, it's extremely simple and a beginner design, but it's my first try at this. No I haven't tested it yet, working on finding a remote...

Last post

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras nec placerat erat. Vivamus dapibus egestas nunc, at eleifend neque. Suspendisse...

7 Replies

3553 Views

Last post by SpudBlaster15
Fri Feb 09, 2007 10:15 pm
Big Hose Clamps

Last post by chaos
Replies: 11
by igotoneforya » Thu Feb 08, 2007 10:30 pm

First post

I always see large HOSE CLAMPS holding propane tanks to 4 inch chambers. I have looked everywhere and can't seem to find any large ones any help...

Last post

i believe these are more reliable and can be made to size they are called t-bolt hose clamps they just tend to be a bit stiffer to manipulate the...

11 Replies

3947 Views

Last post by chaos
Fri Feb 09, 2007 10:27 am
Second Cannon Ever

Last post by igotoneforya
Replies: 19
by igotoneforya » Wed Feb 07, 2007 1:52 pm
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This is my second cannon I ever built. Its all SCH 40 Propane metered with dual spark ignition. I will be upgraded to Stun gun ignition. Its hard to...

Last post

Yes i am using two sparks. This ignitor works great.
19 Replies

10008 Views

Last post by igotoneforya
Thu Feb 08, 2007 10:32 pm
Mini Spud Gun Silencer

Last post by A-98
Replies: 3
by JDSpud » Thu Jan 18, 2007 9:12 am

First post

I was just wondering about how you build a silencer for a mini spud gun?

Last post

indeed

but what do you meanby mini ? like under 5 inches?

3 Replies

1965 Views

Last post by A-98
Thu Feb 08, 2007 9:31 pm
semi-auto spud gun

Last post by Pete Zaria
Replies: 10
by BIKER180360 » Wed Feb 07, 2007 6:51 am

First post

is it possible to make a semi auto spud gun. well i'm trying. it will be done in a couple months. does anyone have any suggestions. it will be a...

Last post

Guys, get off Biker's nuts.

I PM'ed him and explained that he needs to read the Wiki and research spudguns more before he starts any threads or asks...

10 Replies

4316 Views

Last post by Pete Zaria
Wed Feb 07, 2007 10:24 pm
new gun design! help!

Last post by Karatedude13
Replies: 16
by nightmare » Tue Jan 30, 2007 3:52 am
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Hello everyone, if you have not noticed already I am new to this site and I was wondering if anyone could give me some advise.

One day my buddy came...

Last post

Um... That's a good question. I did a project for school earlier this year involving chamber to barrel volume ratios, and with a single chamber and a...
16 Replies

6994 Views

Last post by Karatedude13
Wed Feb 07, 2007 7:47 am
Help with igniter?

Last post by BIKER180360
Replies: 10
by Bobbyd » Sat Feb 03, 2007 2:31 pm

First post

I've tried a bbq liter with no luck. So now I'm trying this Power-Mite Prod that I got from my father.

This thing will not arc. Its kinda old...

Last post

Nope. Even with it opened up and the bare wires very close it won't spark.

What if I removed some resistors? lol... try taking apart one of those...

10 Replies

3707 Views

Last post by BIKER180360
Wed Feb 07, 2007 6:39 am
gotta take the good with the bad

Last post by 85Dave
Replies: 6
by LOSTEXAN » Tue Jan 30, 2007 1:27 am

First post

As the title says...I finally got around to upgrading to the piez triple ignition system on sunday, and got a chamber fan today. Well I got back from...

Last post

wow thats no fun...looked like a great spud gun as well

its things like this that let us build bigger and better spud guns though lol

6 Replies

2427 Views

Last post by 85Dave
Tue Feb 06, 2007 7:27 am
My New Sniper with dry fit

Last post by mark.f
Replies: 9
by jjjd » Sun Feb 04, 2007 10:12 pm

First post

This is my new sniper combustion all dry fit, i just need to figure out how long to make the combustion chamber, glue it, and add fuel injection(i...

Last post

It was just a joke, really. I was saying to make a pneumatic auto-loader with the propane pressure to move it, basically.

9 Replies

4686 Views

Last post by mark.f
Tue Feb 06, 2007 6:37 am
ALL S/S GUN (updated w/ Picz)

Last post by 85Dave
Replies: 6
by chaos » Thu Jan 18, 2007 8:13 am

First post

hey evry 1 im new here just looking for ways to improve my gun. i use frozen oranges and wadding for ammo. pure butane lighter gas as fuel and a...

Last post

ne1 no where there are plans for a stun gun circuit?

Case-G

6 Replies

4397 Views

Last post by 85Dave
Mon Feb 05, 2007 11:27 am
Big Red Cannon

Last post by zeigs spud
Replies: 13
by PCGUY » Sat Feb 12, 2005 5:31 pm

First post

BIG RED CANNON

Provided By Luckythirteen -

This is my newest combustion gun. It uses a 100,000 volt stun gun to ignite the propane. It has 5...

Last post

How you make the rifled barrel you have a lathe that big?

most people just go and buy there barrels pre-rifled

13 Replies

15392 Views

Last post by zeigs spud
Sun Feb 04, 2007 7:24 pm
Spark Plugs???!?

Last post by SpudBlaster15
Replies: 8
by akaddis » Wed Jan 24, 2007 5:07 pm

First post

Im a Pneumatic person....and just got started on combustion. Can I use Car Spark Plugs for the ignition of the fuel. And if so, How?

Last post

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras nec placerat erat. Vivamus dapibus egestas nunc, at eleifend neque. Suspendisse...

8 Replies

4493 Views

Last post by SpudBlaster15
Sun Feb 04, 2007 3:40 pm
Revolver X

Last post by nicholai
Replies: 41
by PCGUY » Mon Feb 07, 2005 7:40 pm
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REVOLVER X

Provided by Boogieman -

Click HERE For More Info.

Last post

ive never seen a video of this thing in action, i wonder if it actually works...
41 Replies

34160 Views

Last post by nicholai
Sun Feb 04, 2007 6:24 am
new gun plans, bolt action golf ball sniper

Last post by jjjd
Replies: 2
by jjjd » Wed Jan 31, 2007 10:46 pm

First post

This is my new gun design, I want to evetualy make it semi auto. It will have a 3-way solenoid valve for fuel injection(anyone know a site i can...

Last post

I didnt really get that, you mean it will loose power? The tees conecting the combustion and the barrel are right next to both, it is just like an...

2 Replies

3200 Views

Last post by jjjd
Thu Feb 01, 2007 12:34 am
propane amount question

Last post by isban
Replies: 6
by isban » Wed Jan 31, 2007 4:44 pm

First post

Hey all this is my first post here. I have a propane gun and I was wondering if there an optimum psi or ratio that the propane should be at in the...

Last post

wow thanks pete those links are really helpful

6 Replies

2461 Views

Last post by isban
Wed Jan 31, 2007 9:04 pm
i'm new here..

Last post by jjjd
Replies: 4
by revrand65 » Wed Jan 31, 2007 3:47 am

First post

ok i built my first cannon...and damn this thing is awsome...piezo ignition..propane metered at 35 psi through a 3 inch pipe with a 3/4 id..
21x3 in...

Last post

considering you can get shc. 80 i would make a hybrid, i would but i live in a small town and its hard to get anything

4 Replies

1828 Views

Last post by jjjd
Wed Jan 31, 2007 6:31 pm

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