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

755688 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

238173 Views

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

Topics

Super Duper Ghetto Mini Spud Gun

Last post by nosebleedXD
Replies: 10
by nosebleedXD » Sun Aug 17, 2008 6:27 pm

First post

Specs :
Barrel - random papermate pen tube
Chamber - Chubby Drink Bottle
Ignition - long nose lighter
Handel - Crayola FTW

Here is my 2nd mini...

Last post

oh no this is a bottle, a chubby bottle drink, if you never heard of it

it has a cap don't worry and i installed a sparker anyways

10 Replies

4610 Views

Last post by nosebleedXD
Tue Aug 19, 2008 10:59 pm
Mapp Gas Percentage

Last post by jimmy101
Replies: 10
by Pibster » Mon Aug 18, 2008 10:32 am

First post

I currently use propane on my gun and may switch to mapp gas. I use a meter and a fan. Is the Mapp going to have a noticeable difference. 2nd...

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MAPP fueling is not as clear cut as is propane fueling. The problem is figuring out exactly what is in a MAPP bottle. MAPP gas is a proprietary...

10 Replies

3275 Views

Last post by jimmy101
Tue Aug 19, 2008 10:22 am
Problem with propane potato gun

Last post by psycix
Replies: 8
by Kennymester » Fri Aug 15, 2008 11:01 pm

First post

I just built my first spudgun today with mixed results. My measurements are as follows.

Combustion chamber - 4in PVC 24in long
Projectile barrel -...

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I had problems with a regulate to max 15 millibar thing on my butane tank. Which basically only lets flow trough, but no pressure.
I couldn't find...

8 Replies

2897 Views

Last post by psycix
Sun Aug 17, 2008 4:39 am
CpTn_lAw's combustion

Last post by TwitchTheAussie
Replies: 19
by CpTn_lAw » Tue Aug 12, 2008 5:15 pm
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Hello everybody!!
It's been a while since i posted a cannon ! i wanted to build a nice combustion cannon, without any other features. So here it is,...

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Woo! Gotta love slo-mo demolition of potatos :twisted: . Quality work mate.
19 Replies

5577 Views

Last post by TwitchTheAussie
Sat Aug 16, 2008 11:56 pm
144" barrel combustion

Last post by Mr.Sandman
Replies: 13
by jagerbond » Thu Aug 14, 2008 5:55 pm

First post

Recently assembled, giant coaxial breech loader. 144 barrel, 2 , 450 cubic inches and 700 cubic inch 6 chamber. 18 long x 1 diameter metering tube (2...

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or maybe the cannons at punkin chunkin those are collassol

13 Replies

4511 Views

Last post by Mr.Sandman
Sat Aug 16, 2008 9:02 am
distence problems

Last post by psycix
Replies: 15
by redalpha11 » Fri Aug 08, 2008 10:08 pm
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so i am done sleeving my cannon. i have redisged the sparker position and where the sparker arks and everything all i have to do now is just touch it...

Last post

:shock:
Funny how dumb people can be when they come home from work. :roll:
15 Replies

5291 Views

Last post by psycix
Wed Aug 13, 2008 7:15 am
my spud gun wont work

Last post by McFear
Replies: 15
by stemargia » Sun Aug 10, 2008 4:00 pm
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i have a spud gun of pvc the combution chamber is about 25 centimeters and my barrel is about 45-50 centimeters
But the question is if i put...

Last post

he said 40-50cm but didnt say diameters for either chamber or barrel.
15 Replies

5644 Views

Last post by McFear
Wed Aug 13, 2008 6:38 am
Tippmann C3 Ignition Module

Last post by spencetron
Replies: 17
by sirspuddest » Sat Aug 09, 2008 11:44 am
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So I broke out my gun and played paintball for the first time ina few years yesterday, and I saw some guy using a gun by Tippmann called the C3. For...

Last post

And for people who can't buy stun guns

Anyone , regardless of country or age, can buy a stungun. Ever heard of BCARMS?

Not everyone like to...
17 Replies

7139 Views

Last post by spencetron
Tue Aug 12, 2008 3:42 pm
stainless combustion

Last post by SpudFarm
Replies: 8
by SpudFarm » Sun Aug 10, 2008 9:45 am

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so i decided to make a pretty decent sized combustion out of stainless steel but my chamber is a bit wobbly it does not have much thicker walls than...

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small bore guns are fun aswell, it is so good to just run in and charge some air from a hose and run out and drop a marble in the barrel and shoot....

8 Replies

2335 Views

Last post by SpudFarm
Mon Aug 11, 2008 7:27 am
Another nembie Q:

Last post by jimmy101
Replies: 21
by Ballistica7 » Mon Aug 04, 2008 7:12 am
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Hey gang,
Newbie here. Have been playing around with spray n prays for a while, sick of the smack, its gas injection time.
My question though is;...

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i just started to think about ignition.. a wire from the tungsten electrode on a tig welder to the spark gap and then the other (don't know name in...
21 Replies

6026 Views

Last post by jimmy101
Sat Aug 09, 2008 11:51 am
closed chambers

Last post by jimmy101
Replies: 9
by Sticky_Tape » Wed Aug 06, 2008 7:54 pm

First post

In a closed chamber combustion when ignited is there just a flash of pressure or is there a constant pressure? I am asking this because I am...

Last post

Ah yes, forgot about the nitrogen. Yet another of the many points in the whole optimal percentage of buffer gas conundrum that I'll soon be looking...

9 Replies

1598 Views

Last post by jimmy101
Sat Aug 09, 2008 11:46 am
Question about Sparker placement

Last post by squirrelfiend227
Replies: 20
by SatansEvilTwin » Tue Jul 22, 2008 8:11 pm
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Is it safe to drill a hole for the BBQ clicker to go inside the chamber if certain precautions were taken? For example using tons of superglue on...

Last post

Remember that anything inside the combustion chamber does not last forever. If you have anything with paint, or thin plastic, it will deteriorate...
20 Replies

7068 Views

Last post by squirrelfiend227
Thu Aug 07, 2008 8:16 pm
Fan size

Last post by jimmy101
Replies: 8
by Phenom671 » Tue Aug 05, 2008 2:00 am

First post

I'm thinking of getting a chamber fan for my gun, but I need to know how big would my chamber have to be to support a chamber fan. Or do the fans...

Last post

what if you added another fan to the top right hand corner of the chamber in the diagram above?

The two fans would blow towards each creating more...

8 Replies

3003 Views

Last post by jimmy101
Thu Aug 07, 2008 1:01 pm
My first S&P (NEW VIDEO)

Last post by Darkside 6ix
Replies: 20
by Darkside 6ix » Tue Aug 05, 2008 8:13 pm
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My friend is the one really into combustion cannons, so I said Hey why not give it a shot. I kind of sprang on the idea while I was in the middle of...

Last post

WOOT Got a answer to my question?!
20 Replies

7783 Views

Last post by Darkside 6ix
Wed Aug 06, 2008 5:28 pm
My cannon, revisited.

Last post by starman
Replies: 6
by McFear » Mon Jul 28, 2008 7:58 am

First post

hey all

as some might possibly remember, a few months ago i posted up saying about my cannons,

for all of those that havent looked through the...

Last post

so would i put that just before the barrel. at the union of the two chambers.

This is how I implemented it with a golfball barrel...

6 Replies

2063 Views

Last post by starman
Tue Aug 05, 2008 11:37 pm
Cellular core

Last post by starman
Replies: 19
by redalpha11 » Mon Aug 04, 2008 10:40 pm
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i have a cellular core chamber that is 3 inch in diam. an i am just wondering if i have to worry about it blowing me to space and back or not. the...

Last post

so i just sleved it wiht 4 inch schedule 40 and it fits perfectly. i am going to but a bolt or something on the hole then epoxy it. then i am going...
19 Replies

6279 Views

Last post by starman
Tue Aug 05, 2008 9:57 pm
Spud Cannon Suppressor (CHEAP 'n EASY)

Last post by jackssmirkingrevenge
Replies: 25
by spud can » Sun Aug 03, 2008 8:19 pm
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Spud Cannon Suppressor
Ok, I know this sounds counterintuitive but when i built my cannon; i did not want the thunderous BOOM of an internal propane...

Last post

With combustions, the same logic of cooling down propelling gasses to reduce pressure and therefore sound applies, meaning use should be made of...
25 Replies

12337 Views

Last post by jackssmirkingrevenge
Tue Aug 05, 2008 5:44 am
Propane Interchangeable Combustion!!!!!

Last post by blindbatjosh121
Replies: 6
by blindbatjosh121 » Fri Aug 01, 2008 8:06 am

First post

This is my first canon post ever. Please no negative comments but constructive criticism is excepted. I no it’s not perfect but I gave it my all. I...

Last post

You need to put a stengun on that puppy!

O ya I plan on putting a stun gun on it. I wont get a stengun (lol) because they are a little to expensive...

6 Replies

2963 Views

Last post by blindbatjosh121
Mon Aug 04, 2008 9:15 pm
Blow-dart combustion gun **updated slight mod.

Last post by starman
Replies: 21
by Radiation » Sun Jul 20, 2008 1:10 am
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First post

**please see my comments on the second page for updated pics and info.
Thanks!

Hello everyone,

This is my first post to this site! I've been...

Last post

The metered propane has the tendency to push the dart out of the barrel if the system is completely sealed. It actually shoots the dart a good 10-15...
21 Replies

13706 Views

Last post by starman
Mon Aug 04, 2008 6:41 pm
6' barrel combustion

Last post by jagerbond
Replies: 8
by jagerbond » Fri Aug 01, 2008 5:54 am

First post

Hey fellow spuders,
figured I'd share my latest incarnation. 6' barrel and 30 chamber with the usual fuel and igniter goodies. Shoots far!

Last post

Thanks for your responses. Yes there are some DWV pieces on it in an attempt to have a more fluid curve for expanding gasses. The DWV parts seem as...

8 Replies

2602 Views

Last post by jagerbond
Mon Aug 04, 2008 4:53 pm
1st combutstion cannon firing problems

Last post by redalpha11
Replies: 16
by redalpha11 » Mon Jul 28, 2008 10:47 pm
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so this is my first cannon ever. i am following guidelines from . i have been researching spud guns for the past month. so i finally decided to build...

Last post

it finally works i used a cheap generic body spray for a dollar. it works really nice. thank for all your help and also i know that my ignnitor is un...
16 Replies

4831 Views

Last post by redalpha11
Sun Aug 03, 2008 7:31 pm
New Combution Cannon!

Last post by stevenarroyo
Replies: 13
by brplatz » Thu Apr 17, 2008 4:44 pm

First post

here is my new cannon. took about 2-3 days and multiple Lowe's runs to get er' done. Paint coming soon. 70 by 2 barrel and about a 20 Chamber. spark...

Last post

damn i have to see what that cannon can do!!

show us some more pic's plz

13 Replies

6057 Views

Last post by stevenarroyo
Fri Aug 01, 2008 4:08 pm
Over-Under Propane 1st Timer - Updated!!!

Last post by stevenarroyo
Replies: 16
by sruggles » Sun Mar 11, 2007 12:40 am
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This is my first serious attempt at a propane injected cannon.

It has a 80mm chamber fan which is actuated by a small switch just above and in front...

Last post

wow now thats a nice cannon i wish i had the money to make something like that
16 Replies

8262 Views

Last post by stevenarroyo
Fri Aug 01, 2008 4:06 pm
Is there overkill on chamber size? What is more powerful?

Last post by Coodude26
Replies: 3
by squirrelfiend227 » Fri Aug 01, 2008 1:48 pm

First post

Hi, this is my first post on a question about my potato cannon. Upon building my potato gun, tests showed that it was very effective, however, I was...

Last post

Yea I'm very confused as well, jimmy.

3 Replies

1778 Views

Last post by Coodude26
Fri Aug 01, 2008 3:01 pm
Inline vs Over-Under

Last post by BigGrib
Replies: 5
by Hubb » Wed Jul 30, 2008 8:17 am

First post

I'm currently designing another combustion which will have a chamber of 3 Sch40 chamber 18 long, over/under. My current launcher has a 3 Sch40 x 12...

Last post

It all depends on how compact you want your cannon. That's a question that only you can answer.

5 Replies

1764 Views

Last post by BigGrib
Fri Aug 01, 2008 12:52 am

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