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...

Last post

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

626805 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

212171 Views

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

Topics

New guy from PA, first spud gun.

Last post by PAweaponTech
Replies: 9
by PAweaponTech » Tue Sep 01, 2015 10:17 pm

First post

So I'm building my first gun. I need some technical advice. The guns barrel is 16 in long, 1/2 bore. How long would a 3/4 combustion chamber need to...

Last post

I have yet to find out myself. I was performing testing last night and my igniter began to fail. Less than 40% of my trigger pulls actually generate...

9 Replies

8111 Views

Last post by PAweaponTech
Sun Sep 06, 2015 6:30 pm
Newb with a few questions for the more experienced!

Last post by Ragnarok
Replies: 2
by Jakerz » Mon Jan 12, 2015 12:46 am

First post

I've been lurking around the site for a few days now and have found an insane amount of great info, thanks for that! But I do have a few questions...

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I can't make up my mind on the ABS vs PVC debate (or war, lol), I like the test results I see from ABS over PVC as it splits instead of exploding....

2 Replies

3856 Views

Last post by Ragnarok
Wed Aug 19, 2015 2:25 pm
Version 2 of the H2 O2 cannon

Last post by burning_water
Replies: 5
by burning_water » Mon Jul 20, 2015 10:27 pm

First post

Here is my other combustion cannon, mainly for bird scaring.
I have had this shooting 25 mm steel balls at 240 m/s

Last post

Hi,
That video is awesome, I never thought the simple slingshot was so powerful.
For measuring the speed I used a Go Pro hero 3 black, on wvga...

5 Replies

6186 Views

Last post by burning_water
Tue Jul 21, 2015 8:22 pm
H2 + O2 burning cannon

Last post by burning_water
Replies: 9
by burning_water » Mon Feb 16, 2015 9:27 pm

First post

G'day everyone,
I am new to Spud files and I thought I would share my Hydroxy spud gun.
I am posting this to show everyone that water burns !!...

Last post

Thanks for the info mate, I will look into it.

9 Replies

11763 Views

Last post by burning_water
Mon Jul 20, 2015 10:18 pm
Building the BL-520

Last post by thejackal
Replies: 2
by thejackal » Tue Jul 14, 2015 9:02 pm

First post

I'm interested in building a BL-520 or near facsimile. But, as the parts from Ultimate Spud Gun are very expensive I thought I would do a little...

Last post

The reason I'm wanting to go offset is that is the whole basis for the internal design of this model and the Modular Ring Set's that affix everything...

2 Replies

5709 Views

Last post by thejackal
Thu Jul 16, 2015 8:29 pm
latest combi cannon

Last post by jrrdw
Replies: 3
by sw5amped » Tue Apr 21, 2015 3:52 pm

First post

20150415_155425.jpg

Last post

Check this vid out. My girl loves these things

Sorry, video is private.

3 Replies

5355 Views

Last post by jrrdw
Mon Jun 08, 2015 6:48 pm
Gatling #1

Last post by voi9viper
Replies: 124
by ijahman » Thu Apr 29, 2010 4:03 pm
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First post

it's not finished. it will be a combustion gatling gun, with butane and it will firing reball paintball ammo.
it's french touch'

Last post

Just wanted to say very nice work, Any design that simple takes a genius to develop!! I may to build an air version. If I can get each cylinder to...
124 Replies

99941 Views

Last post by voi9viper
Mon Jun 08, 2015 5:33 pm
*NEW* My M-55 Mk. V , the "Badgirl Special"

Last post by sw5amped
Replies: 4
by Tombstone » Tue Aug 19, 2014 4:52 pm

First post

Fifth version of my M-55 cannon, and the second model of my metered propane guns, i made it for a girlfriend, improved my latest design and created a...

Last post

I saw the project box but that could have just been a kill switch for ignition. I saw the pics of the cannon in photo bucket and there was a pic of...

4 Replies

6527 Views

Last post by sw5amped
Mon Jun 08, 2015 4:10 pm
propane gun

Last post by Gleedaniel13
Replies: 3
by darthvader » Sun Apr 19, 2015 1:32 pm

First post

new and improved

Last post

Wow! It looks good!

3 Replies

5057 Views

Last post by Gleedaniel13
Tue Apr 21, 2015 5:55 am
AR spud gun

Last post by mark.f
Replies: 1
by darthvader » Sun Apr 19, 2015 1:31 pm

First post

this is my first propane cannon

My best spud gun story was in 8th grade going into high school as a freshman on freshman Friday Senors would trow...

Last post

That spiral porting on the muzzle though... :D

Looks very good. Any more details on construction, like for the front sight, etc?

1 Replies

3872 Views

Last post by mark.f
Mon Apr 20, 2015 12:18 pm
100mm Copper combustion cannon

Last post by jackssmirkingrevenge
Replies: 2
by Erl » Sat Jan 24, 2015 2:47 am

First post

Hello Spudfiles. Ive been a lurker here for a long time, thought I would contribute something.

For the last few weeks I've been putting this cannon...

Last post

Fascinating configuration, make sure it's nice and polished on the inside :)

2 Replies

4683 Views

Last post by jackssmirkingrevenge
Tue Feb 03, 2015 10:39 pm
help!!

Last post by jackssmirkingrevenge
Replies: 3
by pyrojon » Sun Feb 01, 2015 5:24 pm

First post

Hello I just made my first potato cannon out of PVC.. Anyway it shot the first couple times fine I use a grill ignitor and aquanet hairspray. Just...

Last post

Stop mucking around with hairspray.

3 Replies

3695 Views

Last post by jackssmirkingrevenge
Tue Feb 03, 2015 10:29 pm
the most cheap ingnition system

Last post by spud slayer05
Replies: 3
by spud slayer05 » Fri Jan 30, 2015 5:16 pm

First post

i have been makink spud guns for a while an i discovered that a bug killer racket is the best option you just search in youtube a video about how to...

Last post

yes a piezo is cheap but the buz zapper gives a continous spark i think that it is for a little big cannon system

3 Replies

3883 Views

Last post by spud slayer05
Mon Feb 02, 2015 4:14 pm
neat little launcher H2 + O2

Last post by Cronodas
Replies: 2
by Anatine Duo » Tue Jul 29, 2014 4:24 am

First post

not mine

Haven't seen this one here yet, love the muzzle blast

Last post

Hopefully there will be some winter. I'll keep my eyes open for a post. Sounds like fun.

2 Replies

3260 Views

Last post by Cronodas
Mon Jan 05, 2015 7:20 am
Christmas Lights and Potato Gun

Last post by jrrdw
Replies: 5
by cormad » Tue Dec 23, 2014 9:27 am

First post

Hey All,
Newbie here and just thought I'd post my funny video. I also challenge anyone to beat me by launching a set of Christmas lights over a...

Last post

If you used a heavier plug, and shoved it to the bottom of the barrel, and with the right launch angle, you probably could have shot the strand on to...

5 Replies

5535 Views

Last post by jrrdw
Fri Dec 26, 2014 5:28 pm
Goin BIG!

Last post by BowerR64
Replies: 47
by BowerR64 » Wed Mar 12, 2014 5:29 am
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First post

EDIT:

I finally finished it! I call it The Slice, The Wilson Slice

1/2 teaspoon calcium carbide powder grade for cannons, about 1-1/2 cups of...

Last post

Just wanted to stop in and say im still alive, no mishaps.

I havnt shot mine much since the forth of july, the KC Royals won a few games in october...
47 Replies

27613 Views

Last post by BowerR64
Thu Dec 25, 2014 6:35 am
Ideas for a simple recoil system?

Last post by jimmy101
Replies: 15
by BowerR64 » Sun May 11, 2014 7:18 pm
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Im building a small noise cannon for the neighbor for the 4th of july.

I wanted to make it a little cooler then just a bunch of painted PVC that...

Last post

The fact that the part is Sch 40 means nothing (except that all Sch 40 parts fit together). The problem with most PVC screw caps is that they are...
15 Replies

10969 Views

Last post by jimmy101
Wed Dec 17, 2014 5:25 pm
A few questions..

Last post by BowerR64
Replies: 2
by Mailbox12 » Sat Nov 08, 2014 4:50 pm

First post

I am going to attempt to make a calcium carbide cannon, and have a few various questions.

1. Fuel - Air ratio
I have heard that Calcium carbide +...

Last post

I started little, a friend of mine had one of those older pot metal cannons you can buy from amazon called big bang cannons. I just inspected its...

2 Replies

3814 Views

Last post by BowerR64
Mon Nov 10, 2014 5:48 am
A fairly simple method for combustion cartridges

Last post by dart guy
Replies: 5
by Justin Sane » Sun Aug 31, 2014 7:50 pm

First post

Wouldn't it be possible to make cartridges using a fill station ( couple of valves and a barbed fitting) to fill a balloon or preferable a section of...

Last post

I do like pictures about what you are thinking, I may be able to help you with crazy ideas XD

5 Replies

4741 Views

Last post by dart guy
Wed Oct 29, 2014 4:14 pm
Semi-automatic marble shooter.

Last post by dart guy
Replies: 1
by Xielothan » Tue Sep 16, 2014 4:37 pm

First post

I am working on the somewhat ambitious project of a semi-automatic combustion cannon. I've looked around on the internet a little bit and haven't...

Last post

No, just gonna say that tubing will melt after 1-2 fires, and that is just risky even with pneumatics, it would be interesting for pneumatics though....

1 Replies

2966 Views

Last post by dart guy
Tue Oct 28, 2014 6:32 pm
Cheap fuel system

Last post by jimmy101
Replies: 3
by fatcat6 » Thu Sep 25, 2014 1:40 am

First post

I've seen the basic hairspray design and i wanted to build something that would put the right amount of gas in the chamber. I don't have the time to...

Last post

The syringe fills with gaseous butane. The syringe is then burped (vented to the atmosphere) for a second or so to set the gas's pressure to be the...

3 Replies

3606 Views

Last post by jimmy101
Thu Oct 02, 2014 5:09 pm
Spark plug ignition problem

Last post by Juggernaut12121
Replies: 4
by thunderskunk » Sun Jun 08, 2014 10:16 pm

First post

Ok fellas, I've got an odd one for you.

So I've been working on this howitzer. It's supposed to use shells instead of being muzzle loaded, so the...

Last post

I can't see the rest of the pictures for some reason, pretty cool though!
I like the concept of being able to have shells, it makes it more realistic...

4 Replies

4668 Views

Last post by Juggernaut12121
Tue Sep 30, 2014 6:51 pm
computer fan

Last post by Chris spud
Replies: 1
by culvers28 » Tue May 20, 2014 3:17 pm

First post

I am building a propane potato gun with a 4in chamber which size computer fan is best?

Last post

I am building a propane potato gun with a 4in chamber which size computer fan is best?

Don't think it's a big issue, get a small one. I've fitted...

1 Replies

2525 Views

Last post by Chris spud
Mon Sep 15, 2014 12:05 pm
"Tommy Gun"style spud gun.

Last post by Tombstone

by Tombstone » Tue Aug 19, 2014 5:03 pm

Wanted to make a smaller model of cannon.
This is my first one this small, it's butane fueled, has a nice recoil and with a less thundering bang, is...

0 Replies

7186 Views

Last post by Tombstone
Tue Aug 19, 2014 5:03 pm
Planning stages for my combustion coaxial.

Last post by Bernie_McGee
Replies: 1
by Tango71 » Mon Aug 04, 2014 10:22 pm

First post

Well gentlemen, in reference to my previous post:
I have decided that a combustion cannon is the way to go. The only issue now is the type of ammo I...

Last post

Have you considered marbles? They may be a little cheaper than resin projectiles. I have found that 3/4 marbles are a little loose in 3/4 SCH 40, but...

1 Replies

2658 Views

Last post by Bernie_McGee
Sun Aug 17, 2014 6:43 pm

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