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...

Last post

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

954642 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

314676 Views

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

Topics

Sureshot FMD-201 prototype

Last post by jrrdw
Replies: 13
by jagerbond » Tue Oct 20, 2009 4:14 am

First post

After much debate we fired up the drill press and put together a compact metering device prototype. It mounts nicely with our Concoa regulators and...

Last post

Also, we are trying to avoid the Home Depot look.

Than get rid of the box in the video... :D

Thats just a target waiting to be destroyed, right???

13 Replies

3720 Views

Last post by jrrdw
Thu Oct 22, 2009 6:10 pm
Question

Last post by ramses
Replies: 5
by MasterBlaster » Sun Oct 18, 2009 4:27 pm

First post

as I live in the UK it is hard to find Pvc fittings and pipe for a good price for example on one plumbing website I saw 110 mm pvc pipe being sold at...

Last post

What is 1inch in milimeters?

Google is your friend..

Spoon.. Silver.. :D

you mean ?

and there is no spoon.

saboted projectiles will give...

5 Replies

3076 Views

Last post by ramses
Tue Oct 20, 2009 2:47 pm
Barrel-Tank Interchange System Spud and Product Accelerator

Last post by Technician1002
Replies: 8
by nakarti » Tue Sep 16, 2008 11:34 pm

First post

BTIS SPA?
Ok, fine, spray and pray with removable barrels.
(Updated in response to comments)
Brief history of my spud guns:
1st Gen: Ungainly 2ft 4...

Last post

I have definitely become a fan of interchangeable barrels. It makes ammo selection a lot easier.

8 Replies

6197 Views

Last post by Technician1002
Wed Oct 14, 2009 12:48 pm
Lighter nozzle instead of Syringe?

Last post by theBOOM
Replies: 6
by VirusX » Mon Oct 12, 2009 1:35 pm

First post

Hi,

My idea is to use a lighter instead of a Syringe. I could fill the lighter with the calculated amount of butane and then fill it with the...

Last post

You could try what jimmy said, you could also use a syringe that come in the epoxies ( the ones that have syringes) just cut it in half and seal it...

6 Replies

2619 Views

Last post by theBOOM
Tue Oct 13, 2009 3:42 pm
Quick piezo question

Last post by limbeh
Replies: 10
by limbeh » Tue Oct 06, 2009 9:41 am

First post

Hi guys,

As part of a school project (NOT spudgunning related), I need to modify a standard cheap BBQ lighter to light directly by electric...

Last post

Wow. Thanks for all the advice.

I'll update you on the progress.

10 Replies

2802 Views

Last post by limbeh
Thu Oct 08, 2009 4:01 am
1L Coke Bottle with 7mm( ~ 0,3") barrel?

Last post by jaythedogg
Replies: 9
by VirusX » Sat Oct 03, 2009 7:47 am

First post

Hi,

I got nothing to do so I wanna build a little combustion cannon with a 1L Coke Bottle.

I wonder wether the Coke Bottle would explode when I use...

Last post

First, put a dot of hot glue around the connecting points, about a quarter of the way around for each spacing. Then stand it on the bottle neck &...

9 Replies

4168 Views

Last post by jaythedogg
Wed Oct 07, 2009 2:18 pm
Best Fuel For Combustion ?

Last post by rcman50166
Replies: 12
by Northir » Mon Sep 28, 2009 2:27 am

First post

Whats the Best fuel for a standard combustion cannon, that you have found ive been using spray paint, it does not seem to work to well

(sorry about...

Last post

Whats the Best fuel for a standard combustion cannon, that you have found ive been using spray paint, it does not seem to work to well

(sorry about...

12 Replies

6109 Views

Last post by rcman50166
Tue Oct 06, 2009 9:07 am
Smaller LPG Tank

Last post by mark.f
Replies: 22
by mark.f » Sun Aug 02, 2009 3:44 pm
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First post

This is just a little curiosity thread.

Say you have a tank with liquid propane in it (camping tank, torch tank, bulk tank, etc.). Say you want to...

Last post

Actually I was looking at a McMaster part... threads into a 1/4 NPT hole. :P
22 Replies

8354 Views

Last post by mark.f
Mon Oct 05, 2009 7:28 pm
Bipod for combustion?

Last post by noname
Replies: 2
by MasterBlaster » Mon Oct 05, 2009 2:27 pm

First post

I want too put a bipod on my combustion cannon to give it a mortar feel
But i'm unsure on how to mount it On my barrel
Any suggestions?

Last post

Scale this as necessary. Simple to do, easily adjustable/foldable.

2 Replies

1726 Views

Last post by noname
Mon Oct 05, 2009 6:59 pm
Sureshot ML-630e

Last post by jackssmirkingrevenge
Replies: 9
by jagerbond » Sun Sep 20, 2009 6:04 am

First post

ML-630e
Baseball shooter for customer...

AR-15 pistol grip
Sureshot aluminum switch/handle assembly ( ARI-101 )
30KV ignition module
3 schedule...

Last post

Are those ECCENTRIC PVC REDUCERS?

That might be the outward impression but I think you'll find they're fairly reasonable if you take the time to...

9 Replies

4131 Views

Last post by jackssmirkingrevenge
Fri Oct 02, 2009 2:23 am
spark ignitors?

Last post by raptorforce
Replies: 10
by raptorforce » Tue Sep 29, 2009 12:36 am

First post

ok, so i realize they make a spark to set off the mixture but what exactly are they? and where do you buy them from?

this is off topic of the title...

Last post

The Sparker Reference Guide
thanks for the link thats a good source

10 Replies

5370 Views

Last post by raptorforce
Fri Oct 02, 2009 12:52 am
flour?

Last post by jaythedogg
Replies: 3
by gabeb123 » Mon Sep 28, 2009 7:26 pm

First post

in the rules it says flour is the only solid fuel we can discuss hear. how would you use flour?

do you brown in and put it in your cannon and shake...

Last post

Coffee creamer granules have alot of surface area for their size, relative to similar grains. Very good burn rate.

3 Replies

2544 Views

Last post by jaythedogg
Tue Sep 29, 2009 4:01 pm
auto

Last post by jackssmirkingrevenge
Replies: 45
by Rambo » Sat Jan 21, 2006 4:40 pm
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That's my full auto mini gun. 8)

Last post

How do you make a cat go WOOF ???

Rather, how do you make a dog go meow ?
45 Replies

23915 Views

Last post by jackssmirkingrevenge
Sat Sep 26, 2009 2:24 pm
huge polish cannon

Last post by gabeb123
Replies: 21
by gabeb123 » Mon Sep 21, 2009 8:48 pm
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First post

me and a buddy where talking and would it be possible to build a polish cannon out of 55 gallon drums and shoot a exersice ball out of it or would...

Last post

lol i get iti think i will hook up like 5 old spark plugs right on the side of it and ill spark it with a generator or something
21 Replies

15443 Views

Last post by gabeb123
Fri Sep 25, 2009 3:22 pm
CKY Spud Gun

Last post by Carlman
Replies: 13
by jagerbond » Tue Sep 22, 2009 3:48 pm

First post

No 30th birthday celebration would be complete without a spudgun! Look for the BL-520 on Nitro Circus.

Last post

Haha awesome I just watched a viva la bam marathon!

13 Replies

5980 Views

Last post by Carlman
Tue Sep 22, 2009 10:18 pm
Oi, long time no post!

Last post by Technician1002
Replies: 6
by jaythedogg » Sun Sep 20, 2009 8:10 pm

First post

Well guys, I am back (like any of you know me anyway) after a long computer break.... Now I am in College for Manual Machining & Renewable Energy...

Last post

Large bore, piston valves on the other hand...would not be a waste of time and material. :twisted:

Just my .02 :)

High pressure 5 inch piston...

6 Replies

3036 Views

Last post by Technician1002
Mon Sep 21, 2009 1:46 am
Idea: peizo triggering relay

Last post by linuxexorcist
Replies: 4
by linuxexorcist » Sat Sep 19, 2009 11:55 pm

First post

i had an idea today, in a camera flash-based ignition system, couldn't the relay used to trigger the caps be fired by a peizo? the caps could easily...

Last post

it was just a quick question, a thought i had while looking for alternate ignition sources, i have no plans to really go ahead with this,just so you...

4 Replies

1676 Views

Last post by linuxexorcist
Sun Sep 20, 2009 11:48 pm
combustion question!

Last post by mark.f
Replies: 7
by joemama » Thu Sep 17, 2009 10:12 pm

First post

hello its been a long time. 4 years to be exact! well iv made 4 air cannons. and i have recently been down so i decided to make a new combustion!...

Last post

Man... the first electrodes I installed (four years ago) were simply wood screws forced into the pipe with sheer willpower and a phillips-head...

7 Replies

3269 Views

Last post by mark.f
Fri Sep 18, 2009 2:44 pm
Launchpotatoes.com Spark box/fan controller-Any experience?

Last post by jackssmirkingrevenge
Replies: 7
by barraphernalia » Wed Aug 26, 2009 12:29 pm

First post

I'm considering ordering the electronic spark box/fan control from launchpotatoes.com and was wondering if there is any word on it.

Electronics is...

Last post

Find out what you are buying.

Should be easy, just ask the owner ;)

7 Replies

2945 Views

Last post by jackssmirkingrevenge
Fri Sep 18, 2009 12:48 am
Spark Strips

Last post by Hubb
Replies: 13
by Hubb » Thu Sep 10, 2009 10:41 am

First post

When people think spark strips, they tend to think of Burnt Latke's version . The biggest debatable problem with this particular design is that it...

Last post

jimmy, that was the exact way I built the spark strip that went into the combustion I linked to above. Works great, easy to use, and all that good...

13 Replies

3861 Views

Last post by Hubb
Wed Sep 16, 2009 5:50 pm
How do I increase the performance of the regular combustion

Last post by jimmy101
Replies: 13
by PAB09 » Tue Sep 15, 2009 5:11 am

First post

I've just made my first combustion cannon according to the regular design

But I want to increase it's performance and accuracy and most of all...

Last post

Eveything others said plus, mostly metering fuel will give the biggest increase in performance for your $$$.

1. Omit the DWV elbow if you are going...

13 Replies

4706 Views

Last post by jimmy101
Wed Sep 16, 2009 10:04 am
Spark system for a metal combustion

Last post by starman
Replies: 3
by douggie » Sat Sep 05, 2009 4:49 am

First post

I am currently in the proces of making my 2nd spud gun but this time im making it out of metal!!!
I found an old grease gun to use for the chamber.....

Last post

Why is this in the Cannon Showcase??

3 Replies

1807 Views

Last post by starman
Fri Sep 11, 2009 12:34 am
Introduction and presentation of new cannon

Last post by jimmy101
Replies: 9
by Cris » Mon Sep 07, 2009 1:24 pm

First post

Greetings, I'm new to this forums, I found it while looking on the internet spud cannon designs. I joined and I've found it very useful. Also I'd...

Last post

Also, how would be using butane instead of propane? does it has a significant difference?
No significant difference in performance. If the fuel is...

9 Replies

4895 Views

Last post by jimmy101
Tue Sep 08, 2009 11:41 am
Electric BBQ ignitor setup

Last post by slogfilet
Replies: 27
by slogfilet » Thu Sep 03, 2009 1:30 pm
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Built some low-tech combustion guns in my youth, but I'm looking at creating something a little more updated.

I have an electric BBQ ignitor that...

Last post

Thanks everyone! That helps immensely.

Jimmy - I think that would be the easiest way to set it up, good call. Now I just need to think of a dramatic...
27 Replies

14749 Views

Last post by slogfilet
Tue Sep 08, 2009 11:23 am
Does it count as a firearm?

Last post by Ragnarok
Replies: 40
by The Game » Tue Aug 11, 2009 9:29 pm
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I was just wondering if the cops could bust me for having an unlicensed firearm. I have a typical combustion potato cannon.

Last post

I'm going to correct Jack on a few points, if we're talking seriously.

Anything above 1 Joule (~0.75 ft-lbf) is a firearm. Any air pistol below 6...
40 Replies

14757 Views

Last post by Ragnarok
Sat Sep 05, 2009 9:36 am

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