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...

Last post

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

1124146 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

358092 Views

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

Topics

Coke bottle shotgun

Last post by RamboNucke
Replies: 6
by RamboNucke » Fri May 24, 2013 6:27 am

First post

That's may be one of the easiest to make spudguns, but it doesn't lack of power. It's in action here:

you check the steps of making it here:

Last post

When I get HD cam and good pc for editing, I'll post 2x more powerful and cool design, still almost as cheap.

6 Replies

6342 Views

Last post by RamboNucke
Sat May 25, 2013 2:42 pm
Coke bottle rifle

Last post by RamboNucke
Replies: 7
by RamboNucke » Fri May 24, 2013 6:20 am

First post

Many of you are already familiar with coke bottle guns, but here's an easy to make one.
You can see how well it works here:

or

Last post

In the tutorial video, I recommend warping some rag around the bottle. Anyway, that bottle is pressure tested by the fuzzy drink. It's way more safe...

7 Replies

7609 Views

Last post by RamboNucke
Sat May 25, 2013 12:38 pm
need help

Last post by sw5amped
Replies: 4
by sw5amped » Sun Apr 28, 2013 6:32 pm

First post

This is my first time on this forum. I want to post a pic of my spud gun so I can get feed back

Last post

Hey guys. Sorry took me so long to get back on line to spud files. Thanks for the help with everything. I'm going to post my latest few cannons. This...

4 Replies

3557 Views

Last post by sw5amped
Sat May 25, 2013 11:24 am
Combustion shotgun video tutorial

Last post by cowscankill
Replies: 3
by RamboNucke » Tue Apr 16, 2013 4:09 pm

First post

Hi guys, this shotgun can be looked as the cheapest generic combustion spudgun, or a pvc shot gun. It's unbelievable how easy it's made. My designs...

Last post

Made my own version. Good tutorial and great performance! The small chamber is great for using syringe metering with butane. Worked first try, but...

3 Replies

2538 Views

Last post by cowscankill
Fri May 24, 2013 12:11 am
Newbie combustion cannon problem(s)

Last post by jackssmirkingrevenge
Replies: 9
by Quantumbit » Sat May 18, 2013 2:58 am

First post

Hi

So... This is my third combustion cannon, because the first one wasn't very powerful, and the second one was made of too thin metal, so it became...

Last post

Remember that an automotive spark plug is designed to ignite a compressed mixture of fuel and air, something like 5 times atmospheric pressure is a...

9 Replies

3566 Views

Last post by jackssmirkingrevenge
Mon May 20, 2013 1:01 pm
District 9 Gas Projector (video added)

Last post by meadow_warrior91
Replies: 15
by marcin411 » Thu Dec 15, 2011 11:30 pm
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First post

Latest triumph of PVC and sleepless nights. Somewhat replica of the District 9 gas projector gun.
Basics are:
1 barrel
2 x 9 chamber
tazer...

Last post

Nice design. I really enjoyed the vid. You have given me inspiration to build beyond my normal shoulder fired design, and to have more creativity....
15 Replies

13420 Views

Last post by meadow_warrior91
Sun May 05, 2013 8:56 pm
Could Use Some help With My Gun's Ratios

Last post by jimmy101
Replies: 4
by stevenmw » Sun Apr 28, 2013 4:23 pm

First post

I am going to build my first potato gun.

Obviously the idea is to have the projectile leave the barrel just as combustion ends.

I'm using the 1.5:1...

Last post

1. barrel 96.36 (8.03') - combustion chamber 18
2. barrel 107.04 (8.92') - combustion chamber 20
3. barrel 64.2 (5.35') - combustion chamber 12...

4 Replies

3645 Views

Last post by jimmy101
Mon Apr 29, 2013 3:01 pm
Combustion sniper video tutorial

Last post by wyz2285
Replies: 9
by RamboNucke » Wed Apr 10, 2013 12:38 pm

First post

Here's a design that I loved trough the years. In my country you can't buy materials for a generic spud gun, even if you had the money so I make only...

Last post

one shot and done .
For that I have my hybrid :lol: anyway, job well done

9 Replies

3762 Views

Last post by wyz2285
Wed Apr 10, 2013 4:30 pm
The Spudchucker II - A propane-powered ABS cannon

Last post by sudpuzzer
Replies: 6
by sudpuzzer » Tue Oct 02, 2012 6:30 pm

First post

Hey all, I'd like to show you guys my second potato cannon (first attempt at propane), the Spudchucker II.

Features:
- Combustion type
- Propane...

Last post

Bit of a necropost, but I wanted to show you guys a little bit of an update on the Spudchucker,
First off, you will notice a nice new paint job. Was...

6 Replies

11737 Views

Last post by sudpuzzer
Tue Apr 09, 2013 1:54 pm
Oxyhydrogen as a 'exhaust-less' fuel

Last post by cammyd32
Replies: 4
by cammyd32 » Wed Mar 27, 2013 4:37 pm

First post

I have recently been reading up on ' Oxyhydrogen and it's effectiveness as a combustion fuel.
Oxyhydrogen is a mixture of gasses and can be created...

Last post

Okay then, the addition of a buffer gas to get 'usable' power will probably complicate things to an extent where the benefits of using oxyhydrogen...

4 Replies

3096 Views

Last post by cammyd32
Fri Mar 29, 2013 11:53 am
help on combustion chamber

Last post by jsefcik
Replies: 4
by sean.gale13 » Wed Mar 27, 2013 1:43 am

First post

hi i have just built a spud gun with a combustion chamber made of 50mm PVC and barrel 16mm aluminium, i have completely seal the end cap and...

Last post

I can control the time between injection and ignition( pull trigger half way to inject gas, pull trigger all the way to ignite) this system allows me...

4 Replies

3066 Views

Last post by jsefcik
Wed Mar 27, 2013 9:46 pm
how to clean the inside chamber

Last post by spudzooka98
Replies: 7
by spudzooka98 » Sat Mar 23, 2013 3:28 pm

First post

I was wondering how to clean the inside of the chamber of a combustion gun. I have a very simple gun with a sparker in the end cap no fan or nothing....

Last post

cool thanks my buddie told me if i use starter fluid make sure i have the pieces to fix it

7 Replies

3155 Views

Last post by spudzooka98
Mon Mar 25, 2013 7:33 am
How to define the best mix??

Last post by Labtecpower
Replies: 5
by Hugeapnic » Fri Mar 15, 2013 12:30 pm

First post

I operate my spudgun with deodorant.
I can inject the gas with a microcontroller, so I get very reliable results.

But how to define the best mix??
I...

Last post

I would suggest that you download HGDT and fiddle with some different sizes until you're happy. It'll also give you the amount of fuel to inject.

5 Replies

3596 Views

Last post by Labtecpower
Mon Mar 25, 2013 3:34 am
Side by side doubble barrel combustion.

Last post by Zeus
Replies: 9
by natas » Tue Feb 05, 2013 7:33 pm

First post

Hi peeps...

Its winter, and i am planning a new spud build, and i want a double spud gun with two shots, like a side by side shotgun.
The thing is,...

Last post

PS, she might have a great personality though...

Seriously, I'd take a chick who's still attractive, but a bit less so over a 10/10 who's a complete...

9 Replies

7742 Views

Last post by Zeus
Sun Mar 24, 2013 7:14 pm
pvc combustion chamber reinforcement

Last post by Zeus
Replies: 1
by BigGun » Mon Mar 18, 2013 1:14 pm

First post

I got a ton of pipe laying around but its dwv. So what I did was made my gun evcet for very end. I took 4inch connector and with my dremel took out...

Last post

DWV should be fine for a spray & pray launcher, which I'm certain that you're building. Install the ignition in a double layer of PVC, and not in the...

1 Replies

1507 Views

Last post by Zeus
Tue Mar 19, 2013 6:47 am
Full Automatic Single Barrel Spud Gun -F-A-K-K-

Last post by jackssmirkingrevenge
Replies: 22
by Hugeapnic » Mon Mar 11, 2013 2:14 pm
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First post

Hi,

i just wanted to share with you my first spudgun i have build.

I tried to do it First Time Right , and not go with a simple kiddie-spudgun......

Last post

I was only trying to point out that IF it was ignited accidentally, it could be a bad day.

That's a fair assessment, however my contention would be...
22 Replies

13201 Views

Last post by jackssmirkingrevenge
Thu Mar 14, 2013 2:47 pm
Manual crank chamber fan?

Last post by Brian the brain
Replies: 8
by Cy4ka » Wed Mar 06, 2013 10:21 am

First post

I am liking the idea of an entire cannon having absolutely no electronic components like batteries, etc.... just a piezo igniter and wondered also if...

Last post

or a checkvalve-less small bikepump...

Best would be to add a tube to the chamber and run a rod with an O-ringed piston inside it.
It doesn't need...

8 Replies

3956 Views

Last post by Brian the brain
Thu Mar 07, 2013 1:17 pm
Eliminating a regulator/meter ?

Last post by Cy4ka
Replies: 2
by Essohbe » Thu Jan 17, 2013 11:39 pm

First post

Alright, as far as I know everyone using metered propane has always regulated it but my idea was to design a cannon you don't even need to really...

Last post

Mount your propane cylinder upright!

2 Replies

2173 Views

Last post by Cy4ka
Thu Mar 07, 2013 11:36 am
X-425 Tennis Ball Cannon

Last post by mark.f
Replies: 6
by Binder17 » Thu Sep 06, 2012 12:42 pm

First post

Hopefully soon to be LRC-425

Chamber: 4 X21
Barrel: 2.5 X66

Flanged Chamber
Dual Ignition
Metered Propane

It has been awhile since I have built...

Last post

Awesome job on the video! I can tell you used your external mic for those shots. :D

6 Replies

5814 Views

Last post by mark.f
Sat Feb 16, 2013 9:42 pm
My first combustion cannon....and what not to do with it.

Last post by jackssmirkingrevenge
Replies: 3
by SweatNTeflon » Thu Feb 14, 2013 10:40 am

First post

So, I built this about a year and a half ago. It's not anything too special and I am posting it more as a warning than to Showcase it :roll:...

Last post

Wow, glad you're ok.

So after that explicit warning, you still want to mess with oxygen?

Don't mess with oxygen.

Hybrids aren't as complex as you...

3 Replies

3007 Views

Last post by jackssmirkingrevenge
Thu Feb 14, 2013 2:30 pm
Inline air regulator or pressure gauge?

Last post by GK
Replies: 3
by GK » Mon Feb 04, 2013 8:54 pm

First post

Hello fellow spudders.

Just been researching various different propane meter setups and had a couple of questions.

1. Using an inline regulator vs...

Last post

Thanks for the advice guys..

3 Replies

4396 Views

Last post by GK
Fri Feb 08, 2013 9:57 am
Would this meter work?

Last post by wyz2285
Replies: 11
by spudn00bie » Wed Jan 30, 2013 6:20 am

First post

Would this meter work? I'm going for something like the meter from Ultimate Spud Gun

Last post

I decided to make myself a portable propane tank that I can refill when connected with a domestic use propane tank. The liquidating pressure is...

11 Replies

4927 Views

Last post by wyz2285
Thu Jan 31, 2013 1:02 pm
- FD1 -

Last post by ijahman
Replies: 20
by ijahman » Wed Aug 15, 2012 3:20 pm
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First post

Hi all,

Look at my new spud,

Last post

What is a faucet ?

In french i said a robinet , when i ask google to translate robinet , google said a faucet.
it's a valve like this :
20 Replies

13579 Views

Last post by ijahman
Sun Jan 27, 2013 1:27 pm
Spool valve for fuel metering?

Last post by AaronSpuds
Replies: 5
by AaronSpuds » Thu Jan 24, 2013 1:33 pm

First post

Hi all, let me just first say I've been lurking ( :P ) these forums for a few weeks, and I fell in love with some of the creations posted here.

Now...

Last post

@Technician1002: That makes a lot of sense. Thanks!

@jackssmirkingrevenge: I was actually referring to the fuel meters on his BL series launchers......

5 Replies

3622 Views

Last post by AaronSpuds
Fri Jan 25, 2013 7:32 pm
new to spudding and first cannon build

Last post by mark.f
Replies: 8
by ECV3Spudder » Wed Jan 23, 2013 12:11 am

First post

first off i would like to say that this site is way kool :)

I'm new to spud launchers and to spudfiles

so this is my very first cannon that i...

Last post

do you guys think that i can run 2 12 volt pc fans on one 9 volt batt?

Your average case fan doesn't draw a whole lot of current at just 9 volts...

8 Replies

4119 Views

Last post by mark.f
Fri Jan 25, 2013 3:31 am

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