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

1124926 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

Simple ignition question

Last post by Technician1002
Replies: 8
by Jelly » Fri May 28, 2010 4:44 pm

First post

Hey! First post! Anyway, I built a basic combustion cannon and I'm having trouble with the ignition. I'm using a piezo grill sparker, and until...

Last post

I PM'ed PCGUY the info on the post.

Edit, it looks like him and his post is gone.

8 Replies

2548 Views

Last post by Technician1002
Fri Jun 11, 2010 11:08 pm
Mini Butane Powered, Advanced Design Gun Idea.

Last post by jackssmirkingrevenge
Replies: 14
by hEnzza » Wed Jun 09, 2010 2:52 pm

First post

Hello Its my first post on the forum.
I got a idea to make a aluminium gun powered by butane. The main chambers would be made out of 1 piece of...

Last post

small hybrids can be finnicky

An understatement if I ever heard one :roll:

With some basic skills it would be relatively easy to make a...

14 Replies

6381 Views

Last post by jackssmirkingrevenge
Thu Jun 10, 2010 3:35 pm
ignition coil

Last post by Hotwired
Replies: 18
by bighead33 » Mon May 31, 2010 12:22 am
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can some body help me find a cheep ignition coil, around 20-30 bucks.

Last post

Nope, it's a spark gap type switch.

I'm musing over solid state alternatives but I expect I'd either have to lower the frequency, restrict runtime...
18 Replies

8839 Views

Last post by Hotwired
Tue Jun 08, 2010 10:31 am
"New" Fuel Has anyone seen / used this?

Last post by metalmeltr
Replies: 17
by MikeNice » Wed Jun 02, 2010 4:01 pm
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First post

I was kicking around home depot (buying my new Bernzomatic torch head to cut and thread for my injection system) when I spotted this. This is the new...

Last post

the way this tank is insrted into the botom of the torch it can not be griped by it's sides, the thing on the bottom is for installing and removing...
17 Replies

8260 Views

Last post by metalmeltr
Fri Jun 04, 2010 10:14 pm
stun gun failure

Last post by bighead33
Replies: 8
by mikespahn » Sat May 29, 2010 2:53 pm

First post

what are the biggest factors in a stun gun failing over time, and how to minimize it? how many sparks is the average lifetime? i was going to...

Last post

all right, thanks.

8 Replies

5631 Views

Last post by bighead33
Wed Jun 02, 2010 4:04 pm
Ignitor issues

Last post by Technician1002
Replies: 5
by Gun Freak » Tue May 25, 2010 4:34 pm

First post

I made a little mini combustion with an airsoft barrel. It is very ghetto, but I like it. Anyway, the sparker is just the one out of a long nosed...

Last post

On metal barrels, Nylon or Teflon washers and bushings work well.

5 Replies

2751 Views

Last post by Technician1002
Tue May 25, 2010 7:09 pm
Tactical Inter-balistic Tennisball System

Last post by Col. Kurtz
Replies: 18
by chenslee » Tue Sep 22, 2009 1:32 pm
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First post

Mods, please delete the other locked pictureless thread. :)

Thanks for everyone's' support! I had a great time building this.
I especially want to...

Last post

I just wanted to say, however many times you may have heard it, that is awesome. Anyone can build a 12 foot PVC aerosol-powered monster, but that is...
18 Replies

19565 Views

Last post by Col. Kurtz
Mon May 24, 2010 9:33 pm
Combustion issues

Last post by MikeNice
Replies: 9
by Pax » Mon May 17, 2010 8:22 pm

First post

Alrighty, Im leading the problem to be my igniter or my fuel I got a grill igniter, And its spark isn't big at all(How big should it be?), When i...

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True blue jimmy. . . Real fuels will almost always work better than something else designed for something else . . . But You have to admit . . . Tag...

9 Replies

5541 Views

Last post by MikeNice
Sat May 22, 2010 8:20 pm
Best Home Depot cannon design.

Last post by Moonbogg
Replies: 3
by carpenoctem90hrs » Fri May 21, 2010 11:09 pm

First post

Here is what I am looking to do:
I would like to build the most powerful combustion cannon (within a reasonable budget) from home depot PVC piping....

Last post

Most powerful home depot gun:

cellcore ABS over under advanced combustion.
4 chamber (18 )
2 barrel (60 )
180° u-bend
screw on end cap configuration...

3 Replies

3916 Views

Last post by Moonbogg
Sat May 22, 2010 12:50 am
Where to buy Stungun?

Last post by bighead33
Replies: 13
by BeaverRat » Thu May 20, 2010 11:51 pm

First post

Hello,
I remmember reading on this site somewhere of a website that sold very cheap yet effective stun guns. It was something like 13 dollars for a...

Last post

yep plenty.
(my post was to short)

13 Replies

5798 Views

Last post by bighead33
Fri May 21, 2010 8:35 pm
Meter pipe pressure - Propane vs MAPP

Last post by NewMexicoJoe
Replies: 9
by NewMexicoJoe » Tue May 18, 2010 6:09 pm

First post

I'm switching to MAPP fro Propane. Typically, I run about 75 PSI through my 3/8 6 meter pipe with propane. Any pointers on what PSI I might run MAPP...

Last post

Well, I went with 80 PSI - and it worked just fine. I had just assumed MAPP was a bit more intense - that's why I changed over. It's good to know...

9 Replies

4274 Views

Last post by NewMexicoJoe
Fri May 21, 2010 8:01 pm
Quick question, first post!

Last post by Hubb
Replies: 15
by xopti » Fri May 14, 2010 11:14 am
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I am going to build a advanced spud gun. I will be using metered propane. Most guns I see on here have a psi gauge built into the regulator (i.e...

Last post

The question is, do you think it's a good size? Really, that's all that matters...
15 Replies

6714 Views

Last post by Hubb
Fri May 21, 2010 1:51 pm
Is this safe to use?

Last post by Technician1002
Replies: 9
by BeaverRat » Thu May 06, 2010 1:56 am

First post

First off, this is my first post!

I have done considerable searching before posting this question...

Is it safe to use Non pressure rated cellular...

Last post

The ABS cannon getting the pressure test in an above photo has been dropped several times, stepped on, scratched, etc. No failures.

I've had to...

9 Replies

7830 Views

Last post by Technician1002
Fri May 21, 2010 9:31 am
Finishing up my build

Last post by mark.f
Replies: 1
by tauschung » Thu May 20, 2010 11:52 am

First post

Does anyone have any good ideas on how to mount my project box to my chamber?

I could use a band, but I was hoping for a nicer looking alternative....

Last post

Well, you have to pass current through your chamber, right?

Drill holes for your electrodes, and then use the screws to hold down the project box as...

1 Replies

1550 Views

Last post by mark.f
Thu May 20, 2010 12:03 pm
The geddogun - My really ghetto combustion

Last post by Biopyro
Replies: 1
by Pax » Wed May 19, 2010 11:20 pm

First post

For those that have seen my last spud gun, Im starting to do some really ghetto lookin stuff, But i dont care, It preforms well, Thats all i need...

Last post

I have seen far more ghetto guns in my time, this is very resemblant of my first cannon, which didn't have the advantage of measured fuel.
Be careful...

1 Replies

2195 Views

Last post by Biopyro
Thu May 20, 2010 7:26 am
Vantec Tornado

Last post by mark.f
Replies: 7
by mark.f » Wed May 19, 2010 5:19 am

First post

I don't think there's much contest between this fan and the generic kind you get from Radioshack/Best Buy/etc. This thing draws 0.9 amps and puts out...

Last post

Alright, the info's in.

Power Source: 12V Gel-Cell (more than capable of sourcing an amp or more)
Peak current (startup): ~1.6 amperes
Running...

7 Replies

2829 Views

Last post by mark.f
Wed May 19, 2010 8:06 pm
About pvc cement...

Last post by jrrdw
Replies: 1
by Pax » Sun May 16, 2010 1:24 pm

First post

Should i glue my gun with PVC cement for a combustion? Will the PVC cement fumes inside the chamber ignite as well as the fuel? I was thinking about...

Last post

Yes, air it out for 24 hours and you'll be fine. A good instrutional is in the Wiki, search for solvent weld .

1 Replies

1589 Views

Last post by jrrdw
Sun May 16, 2010 1:27 pm
My first combustion - A few questions

Last post by mark.f
Replies: 12
by Pax » Sat May 15, 2010 9:10 pm

First post

Question 1: How much danger is involved with combustion? I'm not going to be dumb with it...But if its not a beginner thing then I'm not going at it...

Last post

Thanks, What exactly do you mean by repeatability? and is there any sort of guide or somthing on the propane thing?

Alright, to reduce noise, the...

12 Replies

5084 Views

Last post by mark.f
Sun May 16, 2010 11:25 am
chamber fan mounting

Last post by mikespahn
Replies: 4
by mikespahn » Tue May 11, 2010 4:32 pm

First post

the cannon i'm building has a female endcap and a male bushing on the back of the chamber. i would like to mount the fan in the male bushing but i'd...

Last post

kind of off topic, but on the site that you just provided a link to, has anyone looked at the rifled barrels page?
where it says
The only pic of the...

4 Replies

2677 Views

Last post by mikespahn
Thu May 13, 2010 1:05 pm
scared of propane???

Last post by saefroch
Replies: 9
by pellethunter » Fri May 07, 2010 5:52 pm

First post

new to this sight and kinda new to spud guns...question is how scared should I be of using propane in my gun???

Last post

Personally I like to avoid the shocking fireball and crispy eyebrows, thank you very much.

9 Replies

3815 Views

Last post by saefroch
Sun May 09, 2010 1:15 pm
dryer wire

Last post by Technician1002
Replies: 12
by bighead33 » Wed May 05, 2010 2:00 pm

First post

can i use these high voltage dryer wire for stun gun ignition. i mean i got a bunch of this stuff and i got to do some thing whith it :D

Last post

Traditional spark plug wire will indeed arc through if it is in contact with grounded metal. To prove it, just hold a wire while the engine is...

12 Replies

5106 Views

Last post by Technician1002
Sat May 08, 2010 1:36 pm
Google's Clear Spudgun in 720p High Speed.. Cool footage

Last post by Technician1002
Replies: 30
by Tidbit77 » Wed May 05, 2010 2:19 pm
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In this recent ad from google for chrome, google compare's chome's speed to a variety of things, one being a combustion spudgun. The high speed...

Last post

I have moderation points there. :D My Karma is Excellent. Note my user number. I've been a member there for quite a while.
# Karma: Excellent
# 15...
30 Replies

9869 Views

Last post by Technician1002
Sat May 08, 2010 2:55 am
Smallest barrel you can go from a 3" chamber ?

Last post by Technician1002
Replies: 9
by tatfree » Fri Apr 30, 2010 7:34 pm

First post

How small ID barrel can you go safely using a 3 chamber ( ABS material ) .

Can I go as small as 1/2 ID or even smaller ?

Using a spray and pray...

Last post

On a more serious side, if you have an infinate size chamber (huge) there is a simple limit to the maximum flow a barrel will provide based on...

9 Replies

3552 Views

Last post by Technician1002
Wed May 05, 2010 9:54 pm
Big Boy

Last post by Gaderelguitarist
Replies: 17
by Gaderelguitarist » Wed May 05, 2010 6:17 pm
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First post

I apologize for neglecting to post any recent builds, but here it is.

Big Boy:

Barrel: 1.5 x 5' PVC
Chamber: 3.5 x 30 UHMW
Ignition: Grill...

Last post

I have opted to keep this one a simple spray and pray because of the simple and pure nature of using it.

:D :roll: 8)

I understand you :D

I'm...
17 Replies

7206 Views

Last post by Gaderelguitarist
Wed May 05, 2010 9:31 pm
My first Cannon

Last post by psycix
Replies: 36
by JT07 » Tue Mar 10, 2009 6:44 pm
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First post

Being my first cannon I wanted this to me moderate in size.

Its 90% complete. I just have to add the fan battery and control box.

Specs:

Chamber...

Last post

:lol:

spudgunheroe must be a member with another account joking around.
The way he asks for plans is too obvious.

Stop trollin' and reveal your...
36 Replies

22809 Views

Last post by psycix
Mon May 03, 2010 12:29 pm

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