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

643047 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

215435 Views

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

Topics

Blue Blaster

Last post by BigGrib
Replies: 12
by BigGrib » Wed Oct 31, 2007 6:22 pm

First post

Here is my newest incarnation of spudding mayhem. Used my same formula of 4 x 24 ABS down to a 2 fitting. I got an aluminum camlock deal for the...

Last post

Umm let me think for a second, The ignitor I got for free but would cost $30, the camlocks and GB Barrel purchased all together was $20, the Chamber...

12 Replies

6812 Views

Last post by BigGrib
Sat Nov 10, 2007 8:36 pm
Starting my advanced combustion tomorrow

Last post by Rogue
Replies: 17
by Rogue » Tue Nov 06, 2007 11:23 pm
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i was going to build it out of all sch 40 pressure rated pvc. for the propane meter i was wondering if i coud just use pvc to build the meter.would...

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could i build it out of black dvw pipe?

dont flame me :)
17 Replies

6201 Views

Last post by Rogue
Sat Nov 10, 2007 9:59 am
Super Time

Last post by WOW!!
Replies: 6
by WOW!! » Mon Apr 30, 2007 7:03 pm

First post

Here it is, my super time cannon. Made it in 27 minutes with the parts in my garage.
Chamber
163.199ci, 2674ml

Barrel
64'' of 2'' Sch...

Last post

What size is your meter and how much volume is in it? I have the same chamber volume and i have a regulator. I'm going with 3/8 pipe size because...

6 Replies

4045 Views

Last post by WOW!!
Fri Nov 09, 2007 11:36 pm
interior fuel pipe

Last post by jimmy101
Replies: 20
by bluerussetboy » Tue Nov 06, 2007 12:09 pm
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i'm currently building a combustion tater rifle. my chamber is out of 2 sch40. i'm trying to keep the weight as low as possible, so i don't want to...

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bluerussetboy , you should post the value of FD. I realize that the actual value of FD is very dependent on shooting conditions, mass of the spud,...
20 Replies

5671 Views

Last post by jimmy101
Fri Nov 09, 2007 3:32 pm
Mini Spud Sniper

Last post by The_Kangsta
Replies: 7
by The_Kangsta » Tue Nov 06, 2007 10:46 pm

First post

My butane powered mini spud gun. It is breech loaded and has a scope. I shot Airsoft bbs through a can from 5 meters.

:lol:

It has a big pill...

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Edit- Oh and a full body pic wouldn't hurt. -Bobblehead Doll

Lol I used my webcam to take pictures so it wouldn't allow me to post them.

I am going...

7 Replies

3017 Views

Last post by The_Kangsta
Wed Nov 07, 2007 10:57 am
POWDER-propellant gun Discussions Prohibited?

Last post by Killjoy
Replies: 26
by Tsukiten » Wed Oct 17, 2007 2:30 pm
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Hey I would like to make a topic about fast-combusting powder (a.k.a. gunpowder ofcourse but I wouldn't use such 'hard/agressive-ish' word) but I...

Last post

I'm just saying its not illegal, and it is definantly not a spudgun.
26 Replies

8250 Views

Last post by Killjoy
Thu Nov 08, 2007 2:22 am
New pics of my almost done gun.

Last post by wangpushups
Replies: 12
by wangpushups » Tue Nov 06, 2007 4:58 pm

First post

What do you guys think about the support block and the gun so far?

Last post

Sure thing...so i'm kinda scared about my 1 1/2 elbos now. Is there gonna be a problem if i have it this way, like my performance, or the gun blowing...

12 Replies

2702 Views

Last post by wangpushups
Wed Nov 07, 2007 8:53 am
First Gun...The Messenger

Last post by Flamex
Replies: 13
by flamerz14 » Sun Nov 04, 2007 3:30 am

First post

This is my first gun I FINALLY got about building :D Constructed out of 2'' pipe and fittings. Ignition is a bunsen burner lighter borrowed...

Last post

Does anyone know where I could purchase a bunsen burner lighter like this?

13 Replies

4770 Views

Last post by Flamex
Tue Nov 06, 2007 1:58 pm
Iqnitor

Last post by jimmy101
Replies: 19
by iknowmy3tables » Wed Oct 31, 2007 10:10 pm
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First post

I've been looking for electric bbq ignitors and I find a lot of things like this

I don't know if, or how they can be used on spudguns any ideas on...

Last post

Spudblaster15:

$4.95 is a fantastic price. I've never seen them for less than $15, and usually they are more like $25. The local hardware stores...
19 Replies

5399 Views

Last post by jimmy101
Tue Nov 06, 2007 10:06 am
The Redeemer

Last post by MikeNice
Replies: 13
by Killjoy » Sat Oct 13, 2007 3:35 pm

First post

This was second combustion cannons I ever built, way back around last thanksgiving or so. It use to have one of my triggered spark gaps using a...

Last post

I have a straight cannon I fire 'zooka style all the time. Actually it's about the only way to do it without moving the trigger. No problems. Unless...

13 Replies

5501 Views

Last post by MikeNice
Tue Nov 06, 2007 9:48 am
Meter volume on combustion.

Last post by cwazy1
Replies: 3
by wangpushups » Mon Nov 05, 2007 9:25 pm

First post

What size should my meter be and how much volume should be in it? I have a chamber volume of 2675 ml. and a regulator. I'm going with 3/8 pipe size...

Last post

use the calculators on burntlakte, they helped me alot when i was first setting up a propane system

3 Replies

1235 Views

Last post by cwazy1
Mon Nov 05, 2007 10:12 pm
PVC Meter - Just an idea that might work really well.

Last post by Novacastrian
Replies: 10
by wangpushups » Sun Nov 04, 2007 7:04 pm

First post

How much PSI do you think this might hold? I personally only need around 30 - 50 psi. This might be a great idea if you dont want any extra weight...

Last post

I like the design. Metal would be stronger but also heavier.
Defiantly a good idea for spudders that have no access to metal tube.
What i would do is...

10 Replies

2655 Views

Last post by Novacastrian
Mon Nov 05, 2007 7:24 pm
My First Spud-gun. Failsafe question?

Last post by jimmy101
Replies: 27
by MikeB » Fri Nov 02, 2007 5:47 am
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First post

Hello everyone

Built my first spud gun last week. I've been between jobs so I thought I best make good use of my free time. It was a sort of rush...

Last post

Ragnarok , well though out reply.

Lets take an extreme case. A zero friction round versus a 30 pounds static, 15 pounds dynamic friction round.

For...
27 Replies

7153 Views

Last post by jimmy101
Mon Nov 05, 2007 12:05 pm
Math not working out

Last post by sandman
Replies: 8
by sandman » Sat Nov 03, 2007 8:34 pm

First post

Ok, im learning Visual Basic.NET now with the help of an awesome teacher :)
So i thought i would start out small with something like a fuel tool, it...

Last post

yes so i will take out the -1 that is in there now

Edit: with those changes they come within 1 PSI of each other so im happy :)

thanks to everyone...

8 Replies

1908 Views

Last post by sandman
Sun Nov 04, 2007 12:44 pm
Propane Regulator

Last post by Sonicboom101
Replies: 11
by Sonicboom101 » Wed Oct 31, 2007 8:49 pm

First post

hey i need some help on choosing a regulator for my gun it requires 125 PSI of propane pressure. My last regulator was a piece of crap. So I want to...

Last post

Thanks for the help I dont really care if it leaks just a little bit because im using my guns outside. I think I will go with the one from Lowes if...

11 Replies

3275 Views

Last post by Sonicboom101
Sun Nov 04, 2007 11:57 am
propane pressure question

Last post by bluerussetboy
Replies: 5
by bluerussetboy » Fri Nov 02, 2007 1:02 pm

First post

nice website.

i hope someone can help with my question.

this summer i built an advanced combustion launcher. it's been working well up until it...

Last post

i'll probably go with the triple shot at 40-ish psi. i've got a small regulator laying around that i can probably use for consistency. i was just...

5 Replies

1828 Views

Last post by bluerussetboy
Fri Nov 02, 2007 7:24 pm
1.5"/17 (40mm) Spud Gun

Last post by BigGrib
Replies: 7
by Flamex » Mon Oct 15, 2007 1:39 pm

First post

Here is my first attempt at a spud gun. It uses a 3 Y pipe, 3 to 1.5 bushings and a 1.5 barrel. The barrel is suppressed, with a 2 pipe for the...

Last post

definatley a handle or shoulder strap would be nice. also don't like the ignitor in the endcap, but that is personal prefence.

7 Replies

3231 Views

Last post by BigGrib
Mon Oct 29, 2007 11:10 pm
New over-under 1.5" Combustion Gun

Last post by Flamex
Replies: 2
by Flamex » Mon Oct 29, 2007 12:27 pm

First post

Here is a new combustion gun I designed and built a few days ago. The barrel is a duplicate of my previous gun's barrel. I used a 2 section of pipe...

Last post

Thanks for the correction. I've dissassembled the guns and packed them up as I'm moving to a new house in a few days, but I'll try to explain how...

2 Replies

1713 Views

Last post by Flamex
Mon Oct 29, 2007 1:11 pm
Keith’s Propane Injected ECL 1400

Last post by spudgunnerwryyyyy
Replies: 33
by sv490665 » Wed Sep 20, 2006 3:01 am
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Hey everybody, check out my new combustion launcher. Here's the specs, tell me what you all think, and please rate this gun if you get a chance,...

Last post

Looks a lot like spudblaster15's

now don't go turning into tylerthetatertosser on me

jk, man,

great job looks really clean and the propane is...
33 Replies

17204 Views

Last post by spudgunnerwryyyyy
Sun Oct 28, 2007 11:54 pm
Propane Injection Math - An Exception to Like Terms?

Last post by mark.f
Replies: 12
by mark.f » Sat Oct 27, 2007 6:50 am

For a while, it has bugged me that propane injection math supposedly did not follow a very important rule in math and science: the units were not in...

12 Replies

4073 Views

Last post by mark.f
Sun Oct 28, 2007 11:32 am
Measurements for my combustion cannon.

Last post by mark.f
Replies: 9
by wangpushups » Sat Oct 27, 2007 4:59 pm

First post

I have a chamber thats 4 X 14 sch 40 with (2) 90 degree elbos that has a volume of 3950 ml. and a 1.5 barrel. I have 10 feet of the 1.5 and i needed...

Last post

Start of by using a proportion of the form a/b=k, where a is one variable, b is another, and k is a constant.

In this context, k would equal your...

9 Replies

2967 Views

Last post by mark.f
Sun Oct 28, 2007 8:57 am
Large metal clamps and a regulator?

Last post by clide
Replies: 8
by wangpushups » Tue Oct 23, 2007 1:42 pm

First post

How large are the metal bands that wrap around the gun and where could i find them, i looked at a menards hardware store and they only had like 6...

Last post

If you want to make them look a little better then you can slide a rubber hose over them. That's what i did for my GB Semi (the gun on the homepage)....

8 Replies

2527 Views

Last post by clide
Fri Oct 26, 2007 4:07 pm
Flash Circuit Problems

Last post by strangers
Replies: 31
by CannonCreator » Sun Oct 21, 2007 4:30 pm
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K so last monday I went to albertsons to get a kodak flash camera (disposable). I dissasembled the camera and extracted the flash circuit. I was I...

Last post

Ok, i use this EXACT method for my Ghetto Combustion Gun and it works great. Using more than one or two AA batteries will fry the transformer but one...
31 Replies

9944 Views

Last post by strangers
Fri Oct 26, 2007 2:17 pm
Ball valve on endcap question?

Last post by sjog
Replies: 13
by wangpushups » Tue Oct 09, 2007 12:17 am

First post

Ok so i've looked everywhere trying to figure out how you get the ball valve on the endcap...what's the trick to doing so? Thats the only thing I...

Last post

L7 gbl

13 Replies

4144 Views

Last post by sjog
Thu Oct 25, 2007 11:00 pm
bbq spark igniter prices?

Last post by TurboSuper
Replies: 5
by blind909 » Wed Oct 24, 2007 9:37 pm

First post

how much is a normal spark igniter , the one with a red button, and where can i get one? i think someone said they get thrers at the dollar shore,...

Last post

You can get one for free out of an old BBQ, they almost always work.

5 Replies

1769 Views

Last post by TurboSuper
Thu Oct 25, 2007 4:48 am

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