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

640682 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

214916 Views

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

Topics

The Big One

Last post by MaxuS the 2nd
Replies: 9
by nick753159 » Sun Feb 24, 2008 8:30 pm

First post

For my second gun, I decided to go bigger, a lot bigger. However, due to my relatively little experience and funds, I decided to keep it a basic...

Last post

Yeah, or run a bar down it, just to stop it from flexing.

9 Replies

3832 Views

Last post by MaxuS the 2nd
Mon Feb 25, 2008 6:15 pm
first advance combustion

Last post by homedepotpro
Replies: 12
by homedepotpro » Mon Aug 13, 2007 6:45 pm

First post

Recently i have been straying away from combustions and more twords the more reliable pneumatics. After working several landscaping jobs, i found...

Last post

i got the pipe at a place called fergusons.

12 Replies

8887 Views

Last post by homedepotpro
Mon Feb 25, 2008 9:34 am
Micro fan

Last post by Jared Haehnel
Replies: 29
by elitesniper » Tue Feb 05, 2008 8:12 pm
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First post

Hey guys would this fan fit 2'' sch 40 pvc,

Product Length 1.57
Product Height 0.39
Product Width 1.57

and the pipe I.D for 2'' says 2
2.375...

Last post

I have found CPUs fans work well in small 2 or three inch chambers. You'll have file down the corners. With the type of plastic the use for the case...
29 Replies

6675 Views

Last post by Jared Haehnel
Mon Feb 25, 2008 8:33 am
breech loading?

Last post by jook13
Replies: 7
by sssssbooom » Sun Feb 24, 2008 7:46 pm

First post

Hi I am kind of new to combustion cannons and I was wondering if breech loading was possible or if its not a very good idea
thanks
,sssssbooom

Last post

just make sure your ammo fits through it... my barrel was 1/2 inch but the ball valve was 3/4. when you buy the ball valve take the ammo you want to...

7 Replies

2499 Views

Last post by jook13
Mon Feb 25, 2008 1:08 am
Pimpin' advanced combustion.

Last post by bigbob12345
Replies: 6
by chartreusesnot » Sat Feb 23, 2008 10:35 pm

First post

This is my second real cannon, and my first combustion. It is an advanced combustion with all the works including a chamber fan, and metered propane....

Last post

Nice job im planning to make one similar after I save up some money.

6 Replies

2123 Views

Last post by bigbob12345
Sun Feb 24, 2008 8:23 pm
Reverse Optimization

Last post by jimmy101
Replies: 27
by singularity » Fri Feb 22, 2008 8:01 pm
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First post

Thats right, I want to decrease preformance. Let me start form the beginning...

I met a guy a little while ago who had a big dog who loved to play...

Last post

Singularity

Give the metal screen a try before you chop the gun up.
27 Replies

9159 Views

Last post by jimmy101
Sun Feb 24, 2008 6:02 pm
Running 12v Fan + Lamp at 18v

Last post by singularity
Replies: 4
by revans » Sat Feb 23, 2008 10:13 pm

First post

I am making a circuit which you can see here:

The circuit uses two 9v battery in series (18v total) to power two 12v lamps (the voltmeters)...

Last post

by lamp do you mean LEDs? if they are LEDs your going to need a resistor if you plan on using them at any voltage. well if you plan on keeping them...

4 Replies

2766 Views

Last post by singularity
Sun Feb 24, 2008 10:30 am
Meter pipe pressures

Last post by DYI
Replies: 3
by ralphd » Mon Feb 18, 2008 12:52 pm

First post

Has anyone experimented with meter pipe pressures? I use 90psi because that is what was recomended to me. The reason I brought this up is that I want...

Last post

Crowley, you took the words right out of my mouth. It's a shame you can't be banned for shear stupidity...

3 Replies

1250 Views

Last post by DYI
Sat Feb 23, 2008 10:44 pm
How Long Do Propane Bottles Last?

Last post by jimmy101
Replies: 11
by elitesniper » Sat Feb 23, 2008 12:21 am

First post

Hey guys, do you know how long a 14oz propane bottle would last on a meter that is 4inches of 1/4 steel pipe and the pressure is 45psi?

Grammar...

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Like others have said, for a standard sized combustion, it is unlikely you'll ever use up a 400g (14oz) propane bottle.

I'm on my second propane...

11 Replies

2822 Views

Last post by jimmy101
Sat Feb 23, 2008 6:59 pm
combustion paintball?

Last post by Jared Haehnel
Replies: 16
by newkidspudster » Mon Jan 01, 2007 1:11 pm
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First post

I need to know if its possible to make a combustion paintball gun,? or will the paintball pop?

Last post

I've done it too. Using 3/4 inch pvc sch40. Works well but the barrel was too long and it wasn't very good. I scrapped it. Also long as you keep the...
16 Replies

5291 Views

Last post by Jared Haehnel
Sat Feb 23, 2008 1:37 pm
Spud pistol !!

Last post by ghostman01
Replies: 8
by ghostman01 » Sat Feb 02, 2008 4:30 am

First post

heres my spud pistol

Go to my site for pictures and stuff

Last post

no actually that was from holding it when spraying lol

8 Replies

6433 Views

Last post by ghostman01
Sat Feb 23, 2008 8:01 am
Hello, new here, first "spud" gun

Last post by nickdunnhill
Replies: 31
by Mike4192 » Mon Jan 22, 2007 10:33 pm
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Hello everyone, Im 15, new here, just came off of a PSP hacking forum so if any of you have a psp, Im the guy to ask, trust me, I know a lot, you can...

Last post

Hey hows it going my name is nick and i was just wondering if you could give me the names of the parts u used cause i have never made one before...
31 Replies

14126 Views

Last post by nickdunnhill
Sat Feb 23, 2008 7:42 am
Its been a while...

Last post by Pete Zaria
Replies: 5
by fastcannonman » Wed Feb 20, 2008 4:22 pm

First post

ok, so most of the members her dont know me, truse me ive been here for a while. I try to get on these fourms when i can, but im always working on...

Last post

I tried to fix his link but the page doesn't exist.

I'm locking this thread because:

A) Horrible spelling and grammar resulted in a hardly readable...

5 Replies

2218 Views

Last post by Pete Zaria
Sat Feb 23, 2008 1:10 am
Plastic Propane Injection System...Safe?

Last post by MrCrowley
Replies: 19
by revans » Tue Feb 19, 2008 1:17 am
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First post

Would it be possible to make a propane injection system out of plastic bsp fittings such as those here:

(Scroll down to Plastic BSP Fittings)
Is it...

Last post

I meant you start revolving around pneumatics, like I said i'm going back for a Hybrid and Advanced Combustion, but my life still revolves around...
19 Replies

4131 Views

Last post by MrCrowley
Wed Feb 20, 2008 1:53 am
Pete Zaria's Almost Done "Advanced" Combustion

Last post by Pete Zaria
Replies: 28
by Pete Zaria » Tue Oct 09, 2007 5:03 pm
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First post

This is actually a rebuilt, repainted, updated version of my Complete Advanced Combustion plans here - .

Stats:

~250ci chamber, shown with a 4' 1.5...

Last post

Pete, I have a question about that ball valve at the end of the chamber. I plan on making a gun very similar to yours, but I'm uneasy about doing the...
28 Replies

12590 Views

Last post by Pete Zaria
Mon Feb 18, 2008 1:01 am
Simple Combustion

Last post by Sergeant Dotson
Replies: 5
by Sergeant Dotson » Sun Feb 17, 2008 4:33 pm

First post

This is one of the most simple combustions you can make (minus the paint :laughing7: .) This is one of the best performing combustions I've made. It...

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Oh and also replying to you jrrdw , I use propane. :blob6:

5 Replies

1674 Views

Last post by Sergeant Dotson
Sun Feb 17, 2008 6:18 pm
New Mini Combustion

Last post by STHORNE
Replies: 6
by Sergeant Dotson » Sun Feb 17, 2008 4:20 pm

First post

I made this for kicks in my spare time. I just felt like going back to those days when all you had was a medicine bottle, a pen tube, and a small...

Last post

yeah, i guess, but even then, you could just use a q-tip.

6 Replies

1949 Views

Last post by STHORNE
Sun Feb 17, 2008 4:50 pm
First Combustion Cannon\Gun (Some Questions)

Last post by stavcas
Replies: 10
by stavcas » Fri Feb 15, 2008 3:59 pm

First post

So hi,my name is Stav and i'm from Israel...
First of all i'm sorry for my bad english.
I have few questions to ask you guys:
1. I all the stuff you...

Last post

ok so after all i decided to buy some pipe and i built my first good spud cannon :)

please give your opinion :)
damage pics soon...

10 Replies

4174 Views

Last post by stavcas
Sun Feb 17, 2008 8:24 am
combustion competition

Last post by DYI
Replies: 13
by xXunderXcoverXx » Thu Feb 14, 2008 10:20 pm

First post

So at the beginning of the year I posted something about the combustion competition. and Hear it is.

Chamber:
42 x4
120,000 volt taser
2 spark...

Last post

With a perfect mix, you'd need a 4 chamber at least 35' long to achieve DDT without fans/HE ignition/Schelkin spirals, so you probably don't have to...

13 Replies

4712 Views

Last post by DYI
Sat Feb 16, 2008 10:56 pm
My Bazooka, Help.

Last post by Spitfire
Replies: 39
by STHORNE » Tue Feb 12, 2008 7:15 pm
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Ok, here i have my assembled bazooka body. I was originally going to make it a combustion cannon but decided to go with air powa!! problem is, i...

Last post

@spuddy buddy. Use it when there are no parentials arround.
39 Replies

14753 Views

Last post by Spitfire
Thu Feb 14, 2008 8:19 am
sweet!

Last post by OuchProgramme
Replies: 20
by jackssmirkingrevenge » Fri Feb 08, 2008 2:25 am
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would this count as solid propellant?

Last post

Well if 6 people had died and the fire is still raging on...

I'd think it would be perfect. Stay behind bullet proof windowssss
20 Replies

4600 Views

Last post by OuchProgramme
Mon Feb 11, 2008 8:42 pm
Upgrades?

Last post by jr
Replies: 11
by SpudChucker24 » Sun Feb 10, 2008 8:49 pm

First post

Ive just built my first cannon and i think i did a alright job with it.

I have to admit it does get a little boring shooting it though because its...

Last post

You could add a multi spark system and that will increase the burn rate of the fuel....in turn creating a faster explosion

11 Replies

4886 Views

Last post by jr
Mon Feb 11, 2008 9:38 am
Barrel to Chamber Ratio?

Last post by SpudChucker24
Replies: 19
by SpudChucker24 » Sat Feb 09, 2008 8:26 pm
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First post

I dont really get all this math and calculators say my ratio is ridiculous. I have a 10inch long 4inch diameter chamber and a 4 foot barrel 1.5...

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Ok thanks for all the help guys. I think im going to make a civil war cannon like miskaman did. That thing looks sweet!
19 Replies

5331 Views

Last post by SpudChucker24
Sun Feb 10, 2008 3:09 pm
Ignition - Can anyone suggest any ideas.

Last post by BigGrib
Replies: 7
by SPG » Sat Feb 09, 2008 6:12 am

First post

I've been reading up on ignition ideas, and haven't found one that will suit my ideas. So perhaps someone can suggest something.

It needs to:

Be...

Last post

I've been reading up on ignition ideas, and haven't found one that will suit my ideas. So perhaps someone can suggest something.

It needs to:

Be...

7 Replies

2489 Views

Last post by BigGrib
Sat Feb 09, 2008 4:10 pm
my gun

Last post by McFear
Replies: 40
by McFear » Sun Feb 03, 2008 7:21 am
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First post

Hey,

I just joined SpudFiles.com and would like to share my story.

I just made an AWESOME gun. fairly bulky though.

As can be seen in the...

Last post

hey all

i got a video of the spud gun shooting. i also have readouts of its velocity and acceleration. i was using one of my schools sensors. i had...
40 Replies

11415 Views

Last post by McFear
Fri Feb 08, 2008 8:20 pm

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