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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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

1125568 Views

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...

Last post

great job how can i help the fourms
45 Replies

358313 Views

Last post by quinn whitsitt
Fri Mar 01, 2024 10:52 am

Topics

Oh no! A leaky propane meter

Last post by zeigs spud
Replies: 14
by noname » Sat Mar 10, 2007 3:00 pm

First post

Just a couple pics of my propane meter on fire. I need some more teflon tape on there. :?
The meter is a 3 foot long piece of 3/4 galvanized.

Last post

that looks VERY safe. lol yea i say tape that thing up.

14 Replies

4978 Views

Last post by zeigs spud
Sun Mar 11, 2007 5:48 pm
Mini Spud Gun Chambers

Last post by LGM
Replies: 18
by JDSpud » Tue Jan 16, 2007 9:27 pm
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My Friend and I just built a mini spud gun. We were wondering if a plastic peanut butter jar is a good thing to use for a chamber.

~JDSpud

Last post

What are you talking about?
18 Replies

6679 Views

Last post by LGM
Sun Mar 11, 2007 5:40 pm
a barel that goes inside the chamber

Last post by LosBuenos
Replies: 30
by LosBuenos » Sat Mar 10, 2007 7:22 pm
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how do you do that thing where the barrel comes down to the bottom of the chamber where you put the fuel in?!? it looks cool and useful. please help...

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ok it took me a while but i figured something out, i found what size of both the barrel and chamber i wanted to be, then what i wanted the length of...
30 Replies

10498 Views

Last post by LosBuenos
Sun Apr 29, 2007 8:51 pm
Simple Combustion Cannon

Last post by lukemc
Replies: 4
by Redcoat » Sun Mar 11, 2007 2:09 am

First post

This is my first post of a completed project although its my third ever.
I built this when i couldnt be bothered to go to the local bunnings and get...

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you should get a more perminate combustion chamber

4 Replies

2096 Views

Last post by lukemc
Sun Mar 11, 2007 8:38 am
mapp

Last post by fom
Replies: 20
by fom » Wed Feb 21, 2007 8:05 pm
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m

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I'll probably never make one this good...props man, props.

All you need is a friend who is willing to guide you through everything, starting from...
20 Replies

6470 Views

Last post by fom
Sat Mar 10, 2007 1:32 pm
my first simple spud gun

Last post by lukemc
Replies: 2
by lukemc » Sat Mar 10, 2007 8:50 am

First post

im made this gun a week back and just got around to building my chamber fan. it is the simplest design (and cheapest) i could find. it shoots...

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you have to cut a hole on the bottem of the can slightly under size it scraches the paint but it fun

2 Replies

1684 Views

Last post by lukemc
Sat Mar 10, 2007 10:14 am
Quad Cannon anti-aircraft style

Last post by schmanman
Replies: 4
by x9851338 » Fri Mar 09, 2007 8:20 pm

First post

I found this video on youtube. Interesting design but it appears to have a few problems. I think some practice with the air mixture or maybe a...

Last post

and can do more damage.

just get a big barrel, and shoot buckshot if you want multiple shots.

I like shooting 4-5 apples at the same time. :P

4 Replies

2080 Views

Last post by schmanman
Fri Mar 09, 2007 9:28 pm
Fan+stun circuit

Last post by sjog
Replies: 9
by sjog » Thu Feb 22, 2007 10:42 pm

First post

Is there any reason why I can't run my fan and stun circuit on the same battery pack ? Was thinking of using 8 AA bats. to run both. Will it affect...

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risto i bent clips out of lead coated copper
soldered wires
they slide over bat posts
figure + -
a spring clip that would hold a broom handle...

9 Replies

3183 Views

Last post by sjog
Thu Mar 08, 2007 11:07 pm
2nd cannon Duel Chamber

Last post by SpudBlaster15
Replies: 19
by itwentboom » Wed Mar 07, 2007 1:19 pm
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This is my second cannon I have built. There are a couple of things i am waiting for, Camlocks for barrel, another valve,and regulators. This cannon...

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

5784 Views

Last post by SpudBlaster15
Thu Mar 08, 2007 10:14 pm
"Dead" ingiters

Last post by Fnord
Replies: 5
by risto » Mon Mar 05, 2007 8:46 pm

First post

I've been reading thru a few of the threads on here and i notice how a lot of people tend to say their replacement BBQ igniters are dead or broken ....

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They just don't make things as good as they did 30 years ago...
I've also had a grill ignitor that has lasted many years and never gotten any weaker....

5 Replies

2122 Views

Last post by Fnord
Tue Mar 06, 2007 10:07 am
Ian's First

Last post by marlfox
Replies: 21
by PCGUY » Sat Feb 12, 2005 6:02 pm
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First post

IAN FIRST

Provided By - Ian

Last post

And when it is burnt it seperates into oxygen and nitrogen which makes a hotter and more powerful burn but also extra fuel is needed to be added to...
21 Replies

15944 Views

Last post by marlfox
Mon Mar 05, 2007 11:05 pm
Idea for an Oxidiser

Last post by BC Pneumatics
Replies: 15
by TwitchTheAussie » Sat Feb 24, 2007 9:36 pm
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I've been reading about nitrous being an oxidiser, as such I've been Nitrous has to be used with another gas so will these small tanks
(sorry crap...

Last post

Oh, what stupid things I do at 5:30 in the morning!
I calculated enthalpy of the reaction, then stuck my unit of KJ/mol back one there. (Though my...
15 Replies

4614 Views

Last post by BC Pneumatics
Mon Mar 05, 2007 9:08 am
7ft long, metered MAPP injected combustion gun

Last post by noname
Replies: 16
by SpudBlaster15 » Wed Jan 31, 2007 12:54 am
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Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras nec placerat erat. Vivamus dapibus egestas nunc, at eleifend neque. Suspendisse...

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That's what I thought, my friend thinks it's too dangerous or something. I keep telling him, It's not gonna blow, it's a friggin' half inch thick!
16 Replies

9561 Views

Last post by noname
Sun Mar 04, 2007 11:46 am
my first real cannon

Last post by TwitchTheAussie
Replies: 6
by isban » Sat Mar 03, 2007 12:30 am

First post

This is the first cannon I made where I actually knew what I was doing. My real first cannon was a piece of junk. Its pretty basic. I mounted a bbq...

Last post

Nice cannon. Madness idea for the handle too. Madness :P

6 Replies

3267 Views

Last post by TwitchTheAussie
Sat Mar 03, 2007 8:41 pm
Need some help with metal cannon

Last post by willarddaniels
Replies: 12
by SPUDKILLER » Fri Mar 02, 2007 3:02 pm

First post

I was in the junkyard and came across a tank that used to be used for a fire extinguishing system. the tank is about 3ft with a 9in diam. i was...

Last post

Use a spark plug and make it a hybrid.
Weld a reinforcing plate on the bottom, drill and tap a hole for the spark plug and fuel/oxy/air supplies...

12 Replies

4705 Views

Last post by willarddaniels
Sat Mar 03, 2007 12:41 pm
Clear PVC question

Last post by Pete Zaria
Replies: 28
by risto » Tue Feb 27, 2007 9:51 pm
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I'm about to start construction on my new cannon and it features a clear chamber.

I need to know:

Should I drill into clear PVC?

I got into an...

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ive cut tees in half and hose clamped. 1 and 3/4 but i like 1 the best

I cut two 1.5 T's in half the long way (to make a saddle T) for the handles...
28 Replies

9281 Views

Last post by Pete Zaria
Fri Mar 02, 2007 4:06 pm
I need your advice

Last post by TwitchTheAussie
Replies: 8
by itwentboom » Thu Mar 01, 2007 6:23 pm

First post

Recently i was asking for info on building a twin chamber combustion cannon. I am stuck again on the ignition part. I have a 100,000 volt stun gun...

Last post

Dude that is a spark strip? In no way shape or form does that show you duel chamber spark ignition. I only asked this because i wasn't sure how far...

8 Replies

3698 Views

Last post by TwitchTheAussie
Thu Mar 01, 2007 9:11 pm
A Simple Beginner's Cannon

Last post by spudthug
Replies: 5
by paragod » Sun Oct 01, 2006 4:32 am

First post

These are some pictures of the first type of spud gun we came up with. I don't know if one like it has already been posted. If so, I apologize.

I...

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yea very simple kinda like *oldskool* i like it how far you think it shoots and wat propellent do you use??

5 Replies

6984 Views

Last post by spudthug
Thu Mar 01, 2007 6:50 am
Propane metered comnustion

Last post by frankrede
Replies: 19
by Dan003400 » Sat Jan 20, 2007 10:29 pm
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This was an idea of gorts handle.

Last post

Its legal if its only the guts of a stungun
19 Replies

6714 Views

Last post by frankrede
Wed Feb 28, 2007 11:55 pm
my 1st combustion cannon

Last post by spudthug
Replies: 5
by spudthug » Wed Feb 28, 2007 4:37 pm

First post

ok guys here is my first combustion cannon and i am in love with it already i just shot it today for the first time and it shoots really far...i am...

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uhh sorry guys im new yes it is lantern sparker and i use right guard spray deo. and my chamber is 4 x 12 and my barrel is 2 x 24 and i used a 4 x 2...

5 Replies

2115 Views

Last post by spudthug
Wed Feb 28, 2007 9:39 pm
Sick Muzzle Break

Last post by noname
Replies: 13
by PVC Arsenal 17 » Tue Nov 14, 2006 5:32 pm

First post

Imagine the effect this would make firing at night? Four jets of fire shooting out of the top of your barrel.

That would look like a compensated...

Last post

Or a six barreled small bore gun. :twisted:

13 Replies

4102 Views

Last post by noname
Wed Feb 28, 2007 5:42 pm
Two Combustion Chambers?

Last post by LGM
Replies: 11
by itwentboom » Mon Feb 26, 2007 10:08 pm

First post

I've been building a duel chamber cannon and I'm not sure if I'M wasting my time? I started with two 36 4 chambers and elbow up to a tee. I am going...

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There is a double chambered golfball cannon on here that I saw, but it is a very old thread and I am having some trouble finding it. He had one...

11 Replies

3271 Views

Last post by LGM
Wed Feb 28, 2007 5:20 pm
new electronic ignition

Last post by Hotwired
Replies: 2
by robbo@robbo » Wed Feb 28, 2007 9:14 am

First post

hi all, this is not my own idea but i saw it on metacafe for something else but i think it should work in this field, im trying it soon and ill let...

Last post

Mmm...

Bulbs are used for electronic ignition for things like model rocket motors.

A small bulb is smashed to leave the filament exposed and...

2 Replies

1624 Views

Last post by Hotwired
Wed Feb 28, 2007 11:12 am
Help with stun gun ignition?

Last post by Bobbyd
Replies: 4
by Bobbyd » Tue Feb 27, 2007 10:07 pm

First post

i was able to obtain a stun gun and the parts needed for a ignition box. I've basically wired it like it was in the stun gun except I added two 4 AAA...

Last post

Well, In its original case it called for 3 CR123A Lithium batteries. The batteries I have are new and fully charged.

My spark gaps are very small....

4 Replies

1996 Views

Last post by Bobbyd
Wed Feb 28, 2007 7:19 am
Need HELP with metered propane!

Last post by BC Pneumatics
Replies: 10
by Punstype » Mon Feb 12, 2007 6:25 pm

First post

could someone please help me? i need plans on how to build a propane metered injection sys for my latest cannon.
CHAMBER 10

Last post

If he used transition cement, he should be fine with a combustion. A few screws through the transition joints wouldn't hurt though.

10 Replies

3996 Views

Last post by BC Pneumatics
Mon Feb 26, 2007 7:50 am

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