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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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

958027 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

315352 Views

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

Topics

Help, New SpudGunner

Last post by konnorpb
Replies: 11
by konnorpb » Tue Jun 17, 2008 12:02 pm

First post

well yesterday me and a friend went to buy all the PVC, cement, caps, everything to do our spud gun...

well to make a long story short, we got the...

Last post

well yeah, my first language its actually spanish...

today we did a very long session of spuding!! we shot on my friends house! we had lots of...

11 Replies

2982 Views

Last post by konnorpb
Fri Jun 20, 2008 1:08 am
Flour Cannons

Last post by LGM
Replies: 37
by SNDM » Tue Jun 10, 2008 2:44 pm
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First post

This idea came to me in chemistry; Why not use flour for a combustion?

I really do not know how much energy will be produced, but if it isnt much it...

Last post

I started a thread over on APC a while ago when I was going to make a charcoal powered cannon, and now that I have summer off I might finish it....
37 Replies

14613 Views

Last post by LGM
Wed Jun 18, 2008 2:57 pm
Video added: Time to make some NOISE! + diagram

Last post by starman
Replies: 23
by xpitxbullx » Thu Jun 12, 2008 2:09 pm
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First post

Independence Day is coming soon so I made a barrel attachment that uses a tennis ball as a burst disk without actually shooting the tennis ball. I...

Last post

Audio compression circuits in these cameras are notorious for yanking the meat out of a good spudgun blast.

Pitbull, I'm afraid the loudness doesn't...
23 Replies

7803 Views

Last post by starman
Wed Jun 18, 2008 12:03 pm
Liquid Propane

Last post by spencetron
Replies: 7
by ronnieoverby » Tue Jun 17, 2008 6:48 am

First post

I was testing my propane meter that I am building, and I noticed some of the propane was turning to liquid state in the hose (clear braided pvc...

Last post

I noticed the exact same thing, just 10 minutes ago with my meter. The can was on its side, thats all.

7 Replies

2999 Views

Last post by spencetron
Tue Jun 17, 2008 3:42 pm
Combustion M-4

Last post by Spuddin
Replies: 8
by freder » Tue Jun 17, 2008 10:54 am

First post

This is my newest gun & I love it :D

I build it after the inspiring example M4.

I rifled the barrel and marbels fit perfectly in it.

I used the...

Last post

pretty slick rifle, good idea. with a small barrel like that i bet it has a loud bang.

8 Replies

3922 Views

Last post by Spuddin
Tue Jun 17, 2008 2:41 pm
first combustion cannon with vid

Last post by Mr.Sandman
Replies: 2
by Mr.Sandman » Mon Jun 16, 2008 11:11 pm

First post

this is my first combustion it used a lighter at first but now it uses a bbq sparker. there is not much else i can say that the picture wont tell you...

Last post

im trying to put it on you tube then embed it here

2 Replies

1659 Views

Last post by Mr.Sandman
Tue Jun 17, 2008 10:42 am
Quick Question (Fuels)

Last post by jimmy101
Replies: 14
by NatoHub » Tue Jun 10, 2008 11:52 am

First post

I recently bought some starting fluid for my combustion cannon (basic cannon). It is highly flammable, but for some reason my cannon will not fire...

Last post

Like frankrede said, try the shortest tap you think you can do consistently, 1/4, 1/2, ... seconds.

Blow LOTS of air through the gun between failed...

14 Replies

4366 Views

Last post by jimmy101
Mon Jun 16, 2008 5:29 pm
WTF?? can someone help me out...

Last post by PCGUY
Replies: 39
by kingjames488 » Mon May 21, 2007 9:33 am
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First post

Hi
I just made my first potato cannon and it doesnt work.

It worked for a test last night and now it doesnt.
It wasnt sparking reliably at all so I...

Last post

Is it possible that glue vapors allowed the gun to fire the first time even with right guard mixed in?

Jeff

Yes, I've actually seen someone do...
39 Replies

13034 Views

Last post by PCGUY
Mon Jun 16, 2008 10:16 am
spud 1.5

Last post by Hydra
Replies: 8
by kingjames488 » Mon May 21, 2007 12:08 am

First post

Hi all
The name is simple... it shoots spuds froma 1.5 barrel (I can think of anything better)
This is my first cannon.
It's a basic cannon with a...

Last post

For you new cannon take the trigger and handle off your first one and use it on your second one.

8 Replies

5144 Views

Last post by Hydra
Mon Jun 16, 2008 5:12 am
I've done spud guns before wanting to go better and bigger..

Last post by starman
Replies: 2
by jm82792 » Sun Jun 15, 2008 11:25 pm

First post

So I'm 15 and am in the middle of nowhere..
I've done spud guns before out of sch40
abs but am wanting to go bigger better
and think it would be...

Last post

If you understand combustions then try a pneumatic. they are definitely bigger and better..in my opinion :twisted:

IF...you have a compressor of...

2 Replies

1408 Views

Last post by starman
Mon Jun 16, 2008 12:09 am
Bigfoot Howitzer

Last post by One Ace Down
Replies: 27
by Spuddin » Wed May 28, 2008 1:09 pm
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First post

4 inch chamber - 20 inches long
3 inch barrel - 5 foot long
phat propane meter - 1.5 caps
pc fan
3 wheeler tires
welded carriage

I have found a...

Last post

dude that is one awesome artil. u got there!
27 Replies

12290 Views

Last post by One Ace Down
Sun Jun 15, 2008 9:25 pm
Rear loading combustion (German production xD)

Last post by freder
Replies: 7
by freder » Sat Jun 14, 2008 8:29 am

First post

Hey,

this is an old combustion I startet to make a couple of months ago.
Forgott a handle for the ignitor :lol: - but I gave it a paintjob.

My rear...

Last post

Here´s a small sketch of how it works ( not shown: fan, cap, ignition)

7 Replies

4606 Views

Last post by freder
Sun Jun 15, 2008 6:41 am
Going to build my first Cannon. A little help please ?

Last post by SpudFarm
Replies: 5
by dizzee » Sat Jun 14, 2008 8:34 am

First post

Hi,
Hopefully soon I am going to build my first Cannon, I live in the uk, parts are relatively cheep due to my Friend is a plumber.

I would like...

Last post

fat short chamber is best.

5 Replies

1576 Views

Last post by SpudFarm
Sat Jun 14, 2008 4:36 pm
My Cannons

Last post by n-strike
Replies: 35
by Canuck » Fri Jun 06, 2008 10:56 pm
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First post

The first one i built was a pneumatic (ill post pic later), then i built the mini combustion and then my big combustion just last week.
Ill start...

Last post

My chamber is 1 foot of 4 PVC, and my barrel is 2 1/2 feet of 4 PVC. Would mine be alright?

EDIT: Wait...I forgot this was Combustion...mine is...
35 Replies

13044 Views

Last post by n-strike
Fri Jun 13, 2008 6:41 pm
Power - C:B

Last post by jimmy101
Replies: 3
by Big D » Fri Jun 13, 2008 3:04 am

First post

Many of us here are limited by the length of our barrels because of transportation issues but our chambers are generally not nearly as long as the...

Last post

So... which would result in a higher FPS using a 2 x 60 barrel?
HGDT says ~480 FPS for the CB 3 gun and ~370 FPS for the 0.8 gun.
EDIT: 100g spud,...

3 Replies

1634 Views

Last post by jimmy101
Fri Jun 13, 2008 2:33 pm
Gasoline?

Last post by jimmy101
Replies: 21
by magnum9987 » Tue Jun 10, 2008 2:49 pm
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Gasoline is used in cars for the large amount of gases they give off. But would it be safe for use in a combustion gun? If atomized I believe it...

Last post

... heck for propane you wouldn't even need a return line just regulate it to the injector psi requirements and and pull it out as a liquid
Not sure...
21 Replies

8223 Views

Last post by jimmy101
Fri Jun 13, 2008 2:22 pm
need some help

Last post by jimmy101
Replies: 6
by konarider321 » Thu Jun 12, 2008 6:31 pm

First post

just built my first spudgun and i am having some problems with blowby and partial combustion. im thinking making the barrel end pointed so the inside...

Last post

Did you bevel the outside of the barrel? A single outside bevel will give a good seal as long as the minimum diameter of the spud is greater than the...

6 Replies

2151 Views

Last post by jimmy101
Fri Jun 13, 2008 1:46 pm
Spray and pray + chamber fan= Fire

Last post by jimmy101
Replies: 8
by sprayandplay08 » Thu Jun 12, 2008 1:48 pm

First post

I put a chamber fan in my cannon and fired it and opened the cleanup to find a ball of flames that was my fan

Last post

There wouldn't be enough oxygen left in the chamber to sustain a fire for more than a few milliseconds. What probably happened was you had liquid...

8 Replies

2683 Views

Last post by jimmy101
Fri Jun 13, 2008 1:44 pm
New Gen Combustion

Last post by starman
Replies: 11
by Philbob1 » Tue Jun 10, 2008 8:25 pm

First post

Most because of boredom while waiting on my hybrid pieces to arrive, I have decided to start a new generation of combustion guns only made of doc...

Last post

Philbob, I think the CONs win... :wink:

v ery interisting id make one with maby an old tp rool then cover it in ducktape but thats just me.

Hey...

11 Replies

5079 Views

Last post by starman
Thu Jun 12, 2008 12:50 pm
Spudinator V.1

Last post by SpudFarm
Replies: 11
by sprayandplay08 » Wed Jun 11, 2008 9:48 pm

First post

This is my first spud cannon ever

It is a basic combustion

SPECS:

Barrel : 23 of 1.5 pipe with a beveled edge
C.C : 8 of 3 pipe with bell...

Last post

it is mean for it size

11 Replies

3345 Views

Last post by SpudFarm
Thu Jun 12, 2008 11:53 am
End Of Week Plans

Last post by starman
Replies: 13
by sprayandplay08 » Wed Jun 11, 2008 12:17 pm

First post

This weekend i plan on building a over-under cannon using spray as a propellant.
I will be using 24 of 3 pipe with 60 of 1.5 pipe for a barrel and a...

Last post

All other things being equal, you will gain some power by going to a larger chamber and thus fuel mix, etc. However, unless you also lengthen the...

13 Replies

3410 Views

Last post by starman
Wed Jun 11, 2008 11:21 pm
C:B help for a newbie (please)

Last post by spencetron
Replies: 16
by spencetron » Fri Jun 06, 2008 10:23 pm
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Hello, this is my post here, and Id like to introduce myself. I have recently got into spudding, and literally a day after making my first spray and...

Last post

after taking a look at the program, I think ill go with a 2.5:1 C:B. I will have other barrels of longer lengths (and probably different diameters...
16 Replies

5060 Views

Last post by spencetron
Wed Jun 11, 2008 9:07 pm
First Build

Last post by THUNDERLORD
Replies: 27
by sprayandplay08 » Tue Jun 10, 2008 8:34 am
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First post

Hello all I am building my first SPRAY N' PRAY cannon today.

It is a basic Combustion Cannon
My specs are an 1.5 X 23 barrel
3.0 X 08 C.C
with a...

Last post

Now that it's finished and you've shot it, this should be in Showcase (for combustions) maybe.

Or you could wait until you finish your next one and...
27 Replies

6997 Views

Last post by THUNDERLORD
Wed Jun 11, 2008 12:36 pm
alchohol?

Last post by BC Pneumatics
Replies: 33
by FishBoy » Wed Jun 04, 2008 2:02 pm
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i have heard about using rubbing alchohol in cannons, so i tried it in my small gun (used mainly for experiments). i poured in some & rolled the gun...

Last post

Nice recap DYI. Now, lets all move on.

If you didn't heed my advice, and ended up killing yourself, I would not be terribly remorseful.
33 Replies

9617 Views

Last post by BC Pneumatics
Tue Jun 10, 2008 6:13 pm
Incendiary Projectile...?

Last post by MrCrowley
Replies: 3
by viskaren » Tue Jun 10, 2008 11:40 am

First post

I tried this before, without much success. Using a regular combustion, i loaded the spud, poured in some kerosene ( not that much though ) and...

Last post

Anyone who posted in this thread aside from the above members, broke the rules in one form or another. All your posts are deleted and all your...

3 Replies

1859 Views

Last post by MrCrowley
Tue Jun 10, 2008 3:10 pm

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