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

1947042 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

532833 Views

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

Topics

Wiring a 12v fan

Last post by Thrilla
Replies: 19
by flamerz14 » Fri Jun 01, 2007 11:57 pm
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First post

I want to wire my computer fan but its a 12v.What sorta batteries can I use and whats the best way to join iwres? I gotb these insulator closure...

Last post

Starting voltage for many computer fans is 7v, below that it won't even start My fan used to run off a 6v battery and pretty fast too. Maybe some...
19 Replies

7247 Views

Last post by Thrilla
Thu Jul 19, 2007 6:35 am
Quicker way to make muzzle knife?

Last post by Thrilla
Replies: 17
by Spedy » Mon Jul 16, 2007 8:06 pm
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First post

Ugh. All I have to do is make that stinking muzzle knife and cement my gun together..... and my only file is basically a tubular cheese-grater.......

Last post

My dremel cost $11 before tax hahahahaha
try using a torch to soften the tip, then just cut it with a knife.
17 Replies

5234 Views

Last post by Thrilla
Thu Jul 19, 2007 12:21 am
Combustion Fan Malfunction

Last post by Thrilla
Replies: 6
by The Doktor » Tue Jul 17, 2007 12:00 pm

First post

Gah, I build my combustion with the standard 80mm computer fan. After only a handful of shots working beautifully, the fan just stopped working. When...

Last post

The electronic driver is broken.

How brushless fan works without spark is because of its driver.

The blade piece has a ring of magnet inside, it...

6 Replies

2869 Views

Last post by Thrilla
Thu Jul 19, 2007 12:08 am
Design before manufacture

Last post by Thrilla
Replies: 12
by Thrilla » Wed Jul 18, 2007 10:04 am

First post

I've been lurking around the forums for about 2 hours straight now lol, couldn't resist but to design my 1st spud gun. (there was a first, but it was...

Last post

I got a bit carried away and made some designs lol

Internal

rocket luncher style backfire to counter the kick

Hydraulics tray, bottom part...

12 Replies

4455 Views

Last post by Thrilla
Wed Jul 18, 2007 11:46 pm
SFCL-101

Last post by NewB
Replies: 42
by frocksie » Sun Apr 08, 2007 6:21 pm
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First post

Just built this thing on Wednesday, and put the finishing touches on today.
It wasn't built for performance, but rather for looks, as there aren't...

Last post

Nice.
I love the rocket launcher look. It would look cooler with a dark green paint job :)
42 Replies

17266 Views

Last post by NewB
Wed Jul 18, 2007 12:08 pm
30% Propane, 70% Butane Mix, Any good?

Last post by jimmy101
Replies: 5
by athoul » Sun Jul 15, 2007 12:14 pm

First post

Taymar

A woman i do gardening for has a can of this in her shed for a small flamethrower thing that is meant to burn small path weeds.

Its mix is...

Last post

If the can really only contains propane and butane then the stoichiometry is pretty simple.

Method 1: Just take the weighted average of the fuel...

5 Replies

2801 Views

Last post by jimmy101
Tue Jul 17, 2007 3:48 pm
New 12V ignition idea

Last post by Insomniac
Replies: 11
by Insomniac » Sun Jul 15, 2007 11:00 pm

First post

I thought of this a while ago, and finally decided to post it.
I have figured a way to make lots of sparks continuously with a 12V motor. Basically...

Last post

I might try lighting a butane torch with it if I get the time. I think that it would ignite, but it may be a bit hit-and-miss.

11 Replies

4103 Views

Last post by Insomniac
Tue Jul 17, 2007 1:07 am
will this gas work

Last post by Myles3132
Replies: 6
by Myles3132 » Mon Jul 16, 2007 12:19 pm

First post

ok i have like 50 of thies bottles layin round half full from airsofting

would the green gas work its mostly propain i think

Last post

well its made of a 32oz gatoraid bottle and 3 highlighters glued together lol

6 Replies

2706 Views

Last post by Myles3132
Mon Jul 16, 2007 1:45 pm
marble combustion (first)

Last post by f.c
Replies: 10
by f.c » Sun Jul 08, 2007 7:09 am

First post

well its just a combustion powered marble gun not much to say.

Last post

wow duct_tape its you. its like a rotteneggs meet here.

10 Replies

5135 Views

Last post by f.c
Mon Jul 16, 2007 2:44 am
useable gas ? sounds kick ass =p

Last post by acoop101
Replies: 9
by jeraldcyc » Sat Jul 14, 2007 8:50 pm

First post

hi guys in found a gas that looks like it could really project some stuff real far, but it looks like it could explode in my hand too..
its a...

Last post

He shakes up the cannon with a little bit of flour in the chamber to get the proper air flour combination.

9 Replies

3388 Views

Last post by acoop101
Sun Jul 15, 2007 7:56 pm
PPC-700 Mini

Last post by Insomniac
Replies: 11
by Binder17 » Sat Jul 14, 2007 6:43 pm

First post

2 X 6 chamber and .75 X 48 barrel. .8:1 ratio. Primary ammunition is paintballs, jawbreakers, and wax candles. Has detachable barrel and uses metered...

Last post

That is one really really really nice gun! I like the little fan you have, does it increase performance on this gun significantly? Also nice and...

11 Replies

6491 Views

Last post by Insomniac
Sun Jul 15, 2007 5:01 pm
Where to get Electric BBQ ignitors?

Last post by PVC Arsenal 17
Replies: 8
by Kufive » Fri Jul 13, 2007 1:38 pm

First post

Im in the process of building/planning out a propane powered spud gun and wanted a repeating spark. Stun guns are an option but i have seen some guns...

Last post

Some info on the GM12;
* Designed exclusively for igniting gas appliances.
* No butane to refill.
* Continuous ignition piezo electric sparker...

8 Replies

4490 Views

Last post by PVC Arsenal 17
Sun Jul 15, 2007 3:20 pm
New Toy

Last post by mtronic
Replies: 27
by sruggles » Sun Mar 11, 2007 1:07 am
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This is a gun I'm building for my daughter. It's a simple design meant for use with static guard.

The screws used to hold the handle in place...

Last post

booyah nice cannon mate! I'm lovin' the handle!!!
Good work on teaching your daughter about the good things in life :lol:
27 Replies

11769 Views

Last post by mtronic
Sun Jul 15, 2007 3:07 am
mini or not you decide

Last post by f.c
Replies: 5
by f.c » Sat Jul 14, 2007 6:03 pm

First post

this gun was a prototype it is small yet extremely powerful. i made it for a bit of fun it about the size of the average keyboard. it cost about $20...

Last post

im lachlan from rotteneggs.

5 Replies

2072 Views

Last post by f.c
Sun Jul 15, 2007 12:39 am
Combined propane adapter and regulator

Last post by Jumpin Jehosaphat
Replies: 18
by Jumpin Jehosaphat » Fri Jul 06, 2007 8:13 pm
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I just bought this at wal-mart. It serves both as an adjustable regulator, and it attaches directly to disposable propane bottles. It's outlet is 1/8...

Last post

I've got a gauge on the meter as well, the meter is very easy to adjust and is very consistent. I'm also positive that I get no liquid propane into...
18 Replies

5137 Views

Last post by Jumpin Jehosaphat
Sat Jul 14, 2007 10:13 pm
My new ghetto gun!

Last post by paaiyan
Replies: 7
by athoul » Sat Jul 14, 2007 4:41 am

First post

Here is my new ghetto gun which i made yesterday, the materials are a sprite bottle, a fanta bottle and some pvc tube which fits very tightly into...

Last post

Reinforcing it with tape isn't going to do much of anything except keep down the shrapnel if it does rupture. But as long as you're using some sort...

7 Replies

3464 Views

Last post by paaiyan
Sat Jul 14, 2007 6:55 pm
frickin ignitor isnt combusting

Last post by MrCrowley
Replies: 10
by bob-a-lu » Sat Jul 14, 2007 12:22 pm

First post

how do i wire a igniter to make a spark? and yes ive searched

Last post

bob-a-lu What the hell? :? You made a second topic. I've PM'd you about this before you don't even provide much information in these topics, like...

10 Replies

3118 Views

Last post by MrCrowley
Sat Jul 14, 2007 5:03 pm
Dual ignition troubles

Last post by FiveseveN
Replies: 8
by niglch » Mon Jul 09, 2007 9:34 pm

First post

The chamber for my combustion cannon is nearly complete. I am attempting to set up a dual ignition system. I was able to use a drill press to be very...

Last post

Here's another trick: sharpen the ends of the screws (mind the threads). It will act like a funnel for the electrons, accelerating them. Should allow...

8 Replies

4602 Views

Last post by FiveseveN
Sat Jul 14, 2007 9:46 am
Axe refuses to ignite

Last post by niglch
Replies: 8
by niglch » Fri Jul 13, 2007 5:59 pm

First post

My friend and I tried using Axe KILO as a propellant for our new PVC potato gun. We tried a huge range of amounts, but it would not ignite. The...

Last post

W00T ignition!!! And I'm not pulling PVC shrapnel out of myself! Anyway, about 2-3 seconds of AXE got me that quite satisfying BOOM! Too bad I was...

8 Replies

7496 Views

Last post by niglch
Fri Jul 13, 2007 9:31 pm
how do i wire an ignitor?

Last post by bob-a-lu
Replies: 2
by bob-a-lu » Fri Jul 13, 2007 5:03 pm

First post

read the title and yes ive searched

Last post

thank you jrrdw

2 Replies

3416 Views

Last post by bob-a-lu
Fri Jul 13, 2007 5:37 pm
Would like info on Combustion cannon (pic)

Last post by iturnrocks
Replies: 3
by iturnrocks » Fri Jul 13, 2007 2:48 pm

First post

This cannon is famous enough to be on this site many times, but Im curious about its features and how it works. Is there a post that explains this...

Last post

i believe it is called the Locutus so try searching that

Yes it is the Locutus. Thank you.

3 Replies

1683 Views

Last post by iturnrocks
Fri Jul 13, 2007 3:22 pm
First Propane Spud Accelerator

Last post by jimmy101
Replies: 3
by Kufive » Thu Jul 12, 2007 4:41 pm

First post

Hi, I have built a few combustion Spud Guns in the past (all hairspray) and wanted to experience the power of Propane. I have been reading up, a lot,...

Last post

I agree with Pete's suggestion of increasing the diameter of the chamber to 3 instead of 2 . The chamber will burn quicker and will be a lot shorter...

3 Replies

3013 Views

Last post by jimmy101
Fri Jul 13, 2007 12:39 pm
In need of help

Last post by KlugeBoy
Replies: 18
by Spedy » Tue Jul 10, 2007 3:47 pm
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First post

Currently I can't build a spud gun, due to the fact that my Lowes doesn't carry 3 pvc and all the abs it has is foam-core..... Where do all you...

Last post

My Well and Pump (and pool) supply place has the SDR-21 and the 2.5 tennis ball stuff. Local Plumbing supply had the rest... Some of the larger SCH...
18 Replies

5669 Views

Last post by KlugeBoy
Fri Jul 13, 2007 10:17 am
Brobdingnagian Bertha (Giant Fiberglass cannon)

Last post by Zorrowannabe9
Replies: 21
by Zorrowannabe9 » Mon Jan 08, 2007 1:49 am
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This cannon is constructed of appox 8 feet of 6 Fiberglass steam pipe, rated to 280 PSI. I got the stuff from my grandfather when I was visiting him...

Last post

yea theres videos somewhere. Think they're on the old spudtech forums. This thread seems to get bumped on a monthly basis. I don't plan to make any...
21 Replies

12397 Views

Last post by Zorrowannabe9
Wed Jul 11, 2007 11:47 pm
ghetto can cannon

Last post by 666lucky693
Replies: 13
by 666lucky693 » Mon Jul 09, 2007 8:00 am

First post

its built from 3 cans that have the bottom drilled out of the top 2 and a touch hole in the bottom can it dosent shoot any thing it just makes a bang...

Last post

sweet thats sounds awesome

13 Replies

5204 Views

Last post by 666lucky693
Wed Jul 11, 2007 4:01 pm

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