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...

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

1331150 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

409212 Views

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

Topics

Why the heck ain't it workin'?

Last post by zeigs spud
Replies: 4
by redclay92 » Sun Sep 24, 2006 7:10 pm

First post

This baby won't ignite the combustion chamber is 2in 40sch about 16in long the barrel is a 25 in long 1.5 inch tube. I'm using a peizo elec. from a...

Last post

The whole... hole in the pipe ignition system is a BAD idea.

yea for a technical explosion somthing has to be pressureized by a book definition but...

4 Replies

3155 Views

Last post by zeigs spud
Mon Oct 09, 2006 3:01 pm
Wont fire...

Last post by Torch
Replies: 7
by Pyro_Boy » Sat Oct 07, 2006 5:41 pm

First post

Ok so i build my first cannon combustion tryed it and it worked=]

Shot twice then when i tryed third it wouldnt light the propellant (yes spark is...

Last post

Expermenting is the best thing to do really.
You need to just find the right fuel mixture methinks. But im not really sure..

7 Replies

3558 Views

Last post by Torch
Mon Oct 09, 2006 1:48 pm
spark strip

Last post by Extrusion
Replies: 2
by brumby » Sun Oct 08, 2006 1:40 am

First post

What is the easiest type of spark strip to construct?

Where is it possible to get some copper clad curcuit board?

Last post

Lol really you can just get some curcuit board and put a few solder beads about 1cm apart or so then connect one wire from your ignition source to...

2 Replies

2185 Views

Last post by Extrusion
Sun Oct 08, 2006 7:34 pm
Trinity

Last post by zeigs spud
Replies: 10
by .:: :TomDom: ::. » Sat Sep 02, 2006 11:14 pm

First post

This here is my 2nd spud gun made and it's a combustion.
It's chamber is made out of pressure class 12 PVC and various fittings that help put it...

Last post

nice second gun

no ofence but i dont like the paint job but all in all a nice little gun

how far dose it shoot

lol well i like the paint job....

10 Replies

7346 Views

Last post by zeigs spud
Sun Oct 08, 2006 5:51 pm
Small holes good?

Last post by benstern
Replies: 2
by Pyro_Boy » Sat Oct 07, 2006 11:40 pm

First post

Hey i was wondering a way to sorta cool down the chamber without using a chamber fan.

Could u make like a few really small holes to air it out or...

Last post

Yeah. It would not fire. Holes totally defeate the purpose of using combustion to launch objects.

2 Replies

2029 Views

Last post by benstern
Sun Oct 08, 2006 12:12 am
DWV Safe?

Last post by frankrede
Replies: 10
by Extrusion » Fri Oct 06, 2006 11:18 pm

First post

Hi i have built my cannon and fired it 15 times already and just now stupidly relized it is PVC DWV nothing bad has happened so far is it safe to...

Last post

My pipe says DWV and is pressure rated but for the most part ignore the DWV label and look for a pressure rating.

10 Replies

3919 Views

Last post by frankrede
Sat Oct 07, 2006 11:20 pm
Mini AK47

Last post by fesoj_92
Replies: 21
by Urban Ninja » Tue Jan 24, 2006 5:29 am
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First post

This is like the mini Uzi with the tic tacs but hast 4 chambers and the stock is removable to make it ultra mini. I could not make the clip/chamber...

Last post

where do you put the gas in?
nice
21 Replies

10074 Views

Last post by fesoj_92
Sat Oct 07, 2006 7:53 pm
igniter placement

Last post by boilingleadbath
Replies: 3
by brumby » Fri Oct 06, 2006 10:10 pm

First post

Where is the best place to place the sparking part of an igniter? Towards the end the the chamber, in the middle or towards the front.

Thanks

Last post

Generaly, we suggest putting a single igntion point about 1/3rd of the way from the rear chamber wall .
In reality, I suspect the ideal location is...

3 Replies

2356 Views

Last post by boilingleadbath
Sat Oct 07, 2006 5:45 pm
Seal up a hole?

Last post by Extrusion
Replies: 6
by Pyro_Boy » Fri Oct 06, 2006 6:11 pm

First post

Hi im building a combustion spud gun and my retard brother drilled a hole in theh top anyway to seal it safely or do i have to buy more tube?

Last post

MrCrowley stole my idea :P lol i have just used to rubber boat repair kits for small holes and if its a bigger one use a bolt/screw with some Epoxy...

6 Replies

3126 Views

Last post by Extrusion
Sat Oct 07, 2006 9:53 am
Spark Placement

Last post by brumby
Replies: 6
by demilus » Mon Sep 25, 2006 7:19 pm

First post

I'm working on a combustion right now and am using a BBQ ignitor for the spark. The chamber is about 16 x 4 so it is decently sized. Where should the...

Last post

Ok so ill place my spark about 1/3 at the back

6 Replies

4477 Views

Last post by brumby
Fri Oct 06, 2006 11:49 pm
My igniter keeps breaking...

Last post by brian Casey
Replies: 3
by Pyro_Boy » Thu Oct 05, 2006 2:30 am

First post

Hi I bought a bbq igniter(sparks when you push the button) it works fine but when we put it in and bolt it it stops sparking except for odd one (1 in...

Last post

or you can go to a car ignitio coil, this will caost you around $12 and if you have someone to go step by step with you it can be a great ignitor. i...

3 Replies

2549 Views

Last post by brian Casey
Thu Oct 05, 2006 8:12 pm
ABS Cell Core

Last post by MrCrowley
Replies: 16
by Extrusion » Tue Oct 03, 2006 3:45 pm
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First post

Is ABS cell core safe to use in a basic hairspray powered combustion because i dont wanna go and blow myself up lol

it says ABS CELLCORE DWV on the...

Last post

ya but 1000yards the gun must be massive
16 Replies

7687 Views

Last post by MrCrowley
Thu Oct 05, 2006 5:25 pm
Camera Flash Trigger

Last post by Extrusion
Replies: 3
by pumpkin2themax » Sun Oct 01, 2006 10:00 pm

First post

I'm in the process of modyifying an old camera to make my self a camera flash ignitor. First off... am i wasting my time? is this method too complex...

Last post

Well you can check my topic about my camera flash ignition system its nothing fancy and works perfectly its pretty easy to understand you basicly...

3 Replies

2680 Views

Last post by Extrusion
Mon Oct 02, 2006 11:35 am
Hooking up a stun gun

Last post by experament_u2
Replies: 1
by Gnobbes » Mon Oct 02, 2006 7:17 am

First post

I've got a couple pnu guns under my belt, but this is the first combustion gun I've made.
I want to do it up nice. I've built and installed the...

Last post

ok well i know nothing about stun guns because i live in Australia but iv seen people open them up and put them in project boxes and customize...

1 Replies

1872 Views

Last post by experament_u2
Mon Oct 02, 2006 8:22 am
spud gun

Last post by spudmonkey
Replies: 5
by deadbeatlemon » Sun Oct 01, 2006 6:37 pm

First post

what is the right size and amount of fuel to achive the maximum amount of distance

Last post

one you look up yourself, if you actually searched it you might find somthin, and on top of that most people dont like people asking for plans

5 Replies

3303 Views

Last post by spudmonkey
Sun Oct 01, 2006 7:18 pm
My first cannon

Last post by jrrdw
Replies: 4
by BadDNA » Thu Sep 28, 2006 10:09 am

First post

My first cannon, the combustion chamber is short 5 long, 4 dia. with a 5' long 2 barrel. I'm already planning a bigger gun, but this one has proven...

Last post

His ignighter is not mounted in the chamber, he has screws in the end cap. I'm guessing that where you got the ignition located just rite.

4 Replies

3087 Views

Last post by jrrdw
Sat Sep 30, 2006 4:30 pm
New Fuel (I think)

Last post by ammosmoke
Replies: 5
by ammosmoke » Thu Sep 28, 2006 8:07 pm

First post

Hey, have any of you guys ever tried using HFC green gas for airsoft guns? It seems to have more power that butane. (the lighter refill cans)
I did a...

Last post

green gas is propane, and nearly all good guns runs on propane, green gas is not called propane because they want to sell more lol

prove that to me...

5 Replies

3370 Views

Last post by ammosmoke
Fri Sep 29, 2006 6:35 pm
Flametrower

Last post by Brian the brain
Replies: 9
by NL_bjorn » Fri Sep 29, 2006 3:01 am

First post

hey, I wanna make a flametrower but i dont now how. sombady got a ID ore a plan?
Thanx,NL_bjorn

Last post

Tip: pneumatics are legal to own, and transport in Holland.
They forgot to add rules about maximum velocity, range, power and even caliber.

The only...

9 Replies

4351 Views

Last post by Brian the brain
Wed Nov 15, 2006 4:21 pm
water bottle combustion chamber airsoft gun

Last post by ammosmoke
Replies: 8
by ammosmoke » Wed Sep 27, 2006 11:17 pm

First post

Hi, I'm new here, but anyways, I was wondering, would it be feasible to make a combustion airsoft gun? I would use a Bic pentube for a barrel...

Last post

Yea, fine......................I was trying to be different and not use a boring old pill bottle.

8 Replies

4262 Views

Last post by ammosmoke
Thu Sep 28, 2006 9:25 pm
would this work as an ignitore?

Last post by ProfessorAmadeus
Replies: 14
by zeigs spud » Sun Sep 24, 2006 7:47 pm

First post

would this work? if not would 2 AA bateries work instead?

Last post

HAHAHA! That last sentence is funny. I also hate them because some will work 1000000000 times while some will last only 10.

14 Replies

6182 Views

Last post by ProfessorAmadeus
Mon Sep 25, 2006 9:45 pm
Perfect Fuel

Last post by demilus
Replies: 4
by demilus » Sun Sep 24, 2006 7:23 pm

First post

I'm currently making a combustion cannon (pretty basic, its my first combustion aside from a mini with a pill bottle, which got taken away on a...

Last post

No, I'm trying to make a back to basics simple cannon, so no fans. I'll definately try the starter fluid though. Thanks lots

4 Replies

3404 Views

Last post by demilus
Sun Sep 24, 2006 8:46 pm
Cherry's Mini

Last post by sv490665
Replies: 8
by PCGUY » Sat Feb 12, 2005 9:37 pm

First post

CHERRY MINI

Provided By Devin - www.cherryspotatoguns2.150m.com

Last post

Very creative idea to use a bb gun to trigger that stungun, if i'm seeing that picture correctly. but is it the trigger of the bb gun that is...

8 Replies

14460 Views

Last post by sv490665
Sun Sep 24, 2006 6:29 pm
Help with fuel on my mini

Last post by Pope

by Pope » Sun Sep 24, 2006 4:56 pm

Edit: Changed the fuel but still need help with the amount.

See: Click Me

0 Replies

2425 Views

Last post by Pope
Sun Sep 24, 2006 4:56 pm
How can I make an igniter out of a camera flash?

Last post by ryguy
Replies: 2
by ryguy » Fri Sep 22, 2006 2:14 pm

First post

Well i heard some people suggest this and I have an unused old film camera with a good flash, how could i make that into an igniter?

Btw, does...

Last post

yea i had a feeling the camera flash was a little too complicated considering i couldnt even get the camera open ;) thanks for the tip

2 Replies

8503 Views

Last post by ryguy
Fri Sep 22, 2006 5:01 pm
No spark problem

Last post by Pete Zaria
Replies: 3
by Yankee » Thu Sep 21, 2006 4:33 pm

First post

:!: Hey i just made a combustion cannon and umkay... I use hairspray but after like 4 shots it will stop sparking... actually it has stopped sparking...

Last post

1. Spark wires are shorting somewhere. Make sure they're well insulated, and try to keep them from touching eachother wherever possible.
2. Wires...

3 Replies

2148 Views

Last post by Pete Zaria
Thu Sep 21, 2006 5:59 pm

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