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

1125061 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

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

Topics

SACG - Somewhat Advanced Combustion Gun

Last post by psycix
Replies: 5
by psycix » Tue May 13, 2008 7:19 am

First post

SACG - Somewhat Advanced Combustion Gun

This is my first combustion cannon I built. Nothing really special, just a bunch of advanced ghettoness....

Last post

Thanks for the replies :D

@tom and sniper hero
Hahah yeah I like hardcore music :D
And DJ korsakoff is one of my favorite artists. Also, she looks...

5 Replies

3529 Views

Last post by psycix
Tue May 13, 2008 9:10 am
H2 and O2 cannon?

Last post by LynyrdSkynyrd
Replies: 28
by Deli » Sun Apr 27, 2008 2:54 pm
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Has anyone ever made a cannon using H2 and O2 as fuel?

If you don't know, you run electricity (I think it has to be DC, but I may be wrong) through...

Last post

I've tried messing w/ electrolysis to get a combustible fuel... had a leak in the chamber which ignited, couldn't see it burning b/c h2 burns clear...
28 Replies

7110 Views

Last post by LynyrdSkynyrd
Mon May 12, 2008 3:57 pm
One week passed, and the cannon was still fueled...

Last post by psycix
Replies: 16
by psycix » Wed Apr 23, 2008 9:33 am
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Today, I got scared the hell out of me by an unexpected surprise...
It all started last week when I was spudding with my combustion cannon (50mm...

Last post

I do have a fan in this gun, I did even mix before the last misfired shot before I went home.
I even toke it for a ride on a bicycle before I got...
16 Replies

6599 Views

Last post by psycix
Mon May 12, 2008 3:07 pm
Next project and more questions.

Last post by jimmy101
Replies: 4
by wngovr » Sun May 11, 2008 11:26 pm

First post

I finished my pneumatic cannon. It ain't too purdy but that thing rocks. Now Im collecting parts for an advanced combustion spud chucker. Combustion...

Last post

If I use a chamber fan, does it matter wich end of the chamber the propane meter feeds into?
If your chamber fan actually does what it is supposed...

4 Replies

1897 Views

Last post by jimmy101
Mon May 12, 2008 10:17 am
hydrogen help

Last post by dongfang
Replies: 8
by steel spuds » Sun May 11, 2008 4:50 am

First post

hi all my spud guns are steel (mild steel) and i was considering making a h2 generator and running them off h2 to get a bit of extra power but i...

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Hi,

I am surprised that propane can cost so much down there ... how about a cigarette lighter refill aerosol thing?

And yes OK, for high-speed...

8 Replies

3777 Views

Last post by dongfang
Mon May 12, 2008 1:54 am
Other cannon, simple and plain

Last post by spudmatic
Replies: 21
by gwoloshyn » Thu Jul 05, 2007 3:01 pm
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Here is a nice solid cannon I made, its quite powerful. Its a basic peizo ignition with hairspray propellent. Chamber is 4 diameter with a 1 1/2...

Last post

A very nice adaption for the igniter most people who try to mount one do a poor job and it ends up looking terrible but nice placement and a great...
21 Replies

9852 Views

Last post by spudmatic
Sun May 11, 2008 4:55 pm
Chamber fan broken

Last post by dongfang
Replies: 16
by Deterrent » Fri Feb 01, 2008 11:47 am
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Have you guys ever had trouble with chamber fans breaking? After a few shots a corner segment of my fan broke off.

Is this normal? Do you guys...

Last post

Hi,

I once had a big, heavy all-metal fan in a combustion supergun. It worked perfectly through many fuel-air shots. Then, I enriched the oxygen to...
16 Replies

5631 Views

Last post by dongfang
Sun May 11, 2008 4:48 pm
UPCL-505CI

Last post by MrCrowley
Replies: 16
by SpudBlaster15 » Sun Feb 24, 2008 8:29 pm
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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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Hmm Apparently MAPP gas is 10x more powerful and he's never seen it before :roll:

Source - PM.
16 Replies

9870 Views

Last post by MrCrowley
Sat May 10, 2008 10:02 pm
Optimal CB for a fixed gun length

Last post by mark.f
Replies: 9
by jimmy101 » Thu May 08, 2008 6:25 pm

First post

I've been fiddling with the three combustion spud gun models seeing what interesting things can be learned.

Most spudders know of Latke's...

Last post

Very interesting jimmy.

I've wondered since a while back if 0.8 C:B ratios weren't for optimizing a fixed chamber volume ONLY. The decrease in...

9 Replies

2675 Views

Last post by mark.f
Sat May 10, 2008 7:08 am
simple spud cannon plans please?

Last post by MrCrowley
Replies: 2
by king edward » Sat May 10, 2008 1:53 am

First post

Hi guys,
Dont suppose anyone has any good plans I can have on how to build a decent spud gin? Just a simple design would be cool, without all the...

Last post

Argh....

Search, do some bloody research, we are not going to spoonfeed you plans.

We provide the info, all you have to do is read it and make one...

2 Replies

2145 Views

Last post by MrCrowley
Sat May 10, 2008 2:03 am
semi-technical question

Last post by JDP12
Replies: 17
by KINGFISH » Tue May 06, 2008 10:09 am
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My question may sound silly to some and I'm sure there has been many a discussion about it but I've not figured out how to enter a topic and actually...

Last post

yea propane IMHO is safer because you can determine how much you are putting into your gun.

plus it burns better and cleaner- no crud on the...
17 Replies

6045 Views

Last post by JDP12
Fri May 09, 2008 7:24 am
our potato guns

Last post by starman
Replies: 12
by tjespo22 » Wed May 07, 2008 11:31 pm

First post

well me and my friends built a couple.. the newest additions are the black one and one all the way too the right. all have a regular bbq sparker and...

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You've built five cannons but you're not really into it that much ......HMMMM.

...

And don't feel intimidated by that first reply, some of US...

12 Replies

4092 Views

Last post by starman
Thu May 08, 2008 9:26 am
Will a 9V Battery work for Ignition

Last post by CpTn_lAw
Replies: 15
by Hydra » Wed May 07, 2008 1:23 am
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YAY ANOTHER NOOB QUESTION

Title says it all. I know i could use a BBQ Lighter but I have heaps of 9V batteries and only like 1 BBQ Lighter.
By the...

Last post

There's another way. You certainly have two battery chargers, the ones that charge 9.6v batteries using the wall plug.They use a AC/DC transformer...
15 Replies

9676 Views

Last post by CpTn_lAw
Thu May 08, 2008 5:40 am
Better Turbulence Induction Methods

Last post by FLONE
Replies: 13
by biggsauce » Mon Apr 28, 2008 1:19 pm

First post

In my combustion I'm working on, I am using a chamber fan. Big whoop. Its mounted pretty standard, right at my cleanout cap, great with venting. To...

Last post

I Approaching DDT?
Also, (as if I hadn't already typed enough) what about a Schelkin Spiral ? They don't appear to be hard to make. C'mon its a...

13 Replies

5677 Views

Last post by FLONE
Wed May 07, 2008 4:13 pm
Ignition and Fan Control Box

Last post by TurboSuper
Replies: 8
by mark.f » Sun May 04, 2008 10:29 pm

First post

Well, this certainly isn't the best. Nothing real fancy like 100 kV output or remote ignition, but I figured for a guy like me who didn't know the...

Last post

Lol, I remember when my battery holders comprised of film canisters and tin foil.

Good times :D

8 Replies

4006 Views

Last post by TurboSuper
Tue May 06, 2008 9:32 pm
Chamber fans and metric units....

Last post by Carlman
Replies: 5
by D_Hall » Mon May 05, 2008 8:26 pm

First post

OK, so here in the States fans are rated in cfm (cubic feet per minute).

What are they rated in overseas?

Last post

Yes.

(stuff added to make msg longer)

spacebar is your friend...

5 Replies

1668 Views

Last post by Carlman
Tue May 06, 2008 12:56 am
Basketball Cannon

Last post by Darkside 6ix
Replies: 37
by PCGUY » Sun Feb 13, 2005 12:10 am
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BASKETBALL CANNON

Provided By - DR

For ease of handling, the Chamber portion of the 10 C-900 pipe on this one is only 34 long. The Barrel...

Last post

lol well by the looks of it, its not dead anymore
37 Replies

30560 Views

Last post by Darkside 6ix
Mon May 05, 2008 10:49 pm
WOOD combustion v.2 yeah, you heard me...again

Last post by Eddbot
Replies: 21
by Eddbot » Fri May 02, 2008 12:26 am
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ok, a while ago i made a wood combustion that, well...didn't work, it's here

anyway, on to the working one!
everything (almost) is made out of...

Last post

it's a combination of wood and static gaurd, so it's quite an interesting smell

Could you define interesting ?

probably not too well, but it's...
21 Replies

10403 Views

Last post by Eddbot
Sun May 04, 2008 11:21 pm
Butane Lighter Fill Valves

Last post by F.E.A.R._Sniper
Replies: 5
by Eddbot » Mon Apr 21, 2008 9:18 pm

First post

i'm planning on making a fill and pray mini...plinker...thing...of doom,
anyway, i was wondering if anyone knew where to get butane fill valves or if...

Last post

tubing used in paintball guns such as ions and autocockers works as well

5 Replies

19415 Views

Last post by F.E.A.R._Sniper
Sun May 04, 2008 1:07 am
Double action Propane Combustion Airsoft gun Design

Last post by Lentamentalisk
Replies: 1
by auxiliary » Fri May 02, 2008 11:46 pm

First post

I have come up with a design for an airsoft gun that uses propane combustion to load and shoot a BB all in one pull of a trigger (on shot per trigger...

Last post

well it wont burn if you use a 1:5 propane ratio, you need a ~1:20 ratio for good combustion.

1 Replies

1953 Views

Last post by Lentamentalisk
Sat May 03, 2008 12:39 am
Double action trigger Propane Combustion Airsoft Design

Last post by judgment_arms
Replies: 1
by auxiliary » Fri May 02, 2008 8:52 pm

First post

Moved to forum

Last post

I’d just like to point out that it’s not an automatic, not even a half-auto, it’s just got a double acting trigger. :wink:
Sorry I can’t be of any...

1 Replies

1297 Views

Last post by judgment_arms
Fri May 02, 2008 8:56 pm
10" basketball cannon

Last post by iknowmy3tables
Replies: 30
by isban » Tue Apr 22, 2008 5:14 pm
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Here's the skinny on my latest cannon.
Its about 40 of 10 pipe with really thick walls(weighs 60 pounds) rated for 150 psi.
Right now it just has a...

Last post

OMG thats amazing,

spitfire your're one lucky mofo to have that pipe and know how to use it, or at least I hope you know how to use it for the sake...
30 Replies

11328 Views

Last post by iknowmy3tables
Fri May 02, 2008 5:07 pm
Aerosol Combustion

Last post by the enforcer
Replies: 12
by the enforcer » Sat Mar 17, 2007 5:07 am

First post

Below are pictures of my aerosol combustion spud cannon. (Dutch)

Last post

well i had nothing else to make him with so and the second gun i bought evert part in the home depo
:D

12 Replies

5899 Views

Last post by the enforcer
Tue Apr 29, 2008 9:53 pm
Control Box Circuit Diagram - Proofreading

Last post by mark.f
Replies: 6
by mark.f » Sun Apr 27, 2008 11:13 pm

First post

Well, so far, high school physics and a little googling has taken me this far, but I'd like somebody who knows a little bit more about electronics...

Last post

Okay, thanks Jimmy. I'm using two 9v's so I'll probably use the capacitor.

EDIT: alright, better yet. I went to look for my friend Nick who started...

6 Replies

1689 Views

Last post by mark.f
Tue Apr 29, 2008 7:01 pm
CPCII Revised, with action video

Last post by bigbob12345
Replies: 11
by Boom_erang » Mon Apr 28, 2008 9:44 am

First post

Based on some cool info found on the forums, I shortened my chamber to make a .8:1 C:B and increased the size of the suppressor. It still has a bang,...

Last post

Thats one puurty cannon
I really like the paint job, makes my painting look bad

11 Replies

8426 Views

Last post by bigbob12345
Tue Apr 29, 2008 5:40 pm

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