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

954969 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

314746 Views

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

Topics

Pvc pipe safety query

Last post by sgort87
Replies: 11
by inonickname » Fri Feb 13, 2009 8:14 pm

First post

And the pvc surplus:

48mm O.D.
1.6mm wall thickness
45mm ID

I looked through the spudwiki, and wasn't able to identify it. It's definitely PVC....

Last post

That, my friend, is 1.5 SDR 26 pipe, rated for 160 psi. You're all good, man.

This pipe is almost perfect for golf balls. SDR 21 is a closer fit,...

11 Replies

3508 Views

Last post by sgort87
Mon Mar 02, 2009 9:45 pm
My First Potato Cannon

Last post by jonnyboy
Replies: 8
by PaulsAirsoftArmory » Sat Feb 28, 2009 8:04 pm

First post

I had been watching some potato cannon videos on Youtube (by MushiYoshi) and I finally decided to build one of my own. I took down the specs for his...

Last post

Nice build but as others have pointed out the elbows aren't pressure rated and neither is that bell reducer or the clean out cap although if it fails...

8 Replies

3865 Views

Last post by jonnyboy
Mon Mar 02, 2009 8:47 pm
electronic paintball design

Last post by psycix
Replies: 11
by Demon » Sun Mar 01, 2009 8:28 am

First post

Ok, i made a plan of my electronic paintball project.

I would need your advice if it will work or any error in the design or things that i could...

Last post

Agree on the oxygen bottle.
I would indeed do it that way.
But oxygen comes with danger so be careful.
And ill just say it again: metal construction.

11 Replies

3235 Views

Last post by psycix
Mon Mar 02, 2009 3:49 pm
bbmg idea

Last post by psycix
Replies: 12
by Demon » Sun Mar 01, 2009 11:04 am

First post

Did someone already tried to run a bbmg with combustion powa?

If yes say it and an admin will lock or delete the topic, but if not, i'l be happy to...

Last post

The thing will get hot.
And hotter...
and hotter...
and hotter.
And you know what happens next?
It becomes even hotter!

When it becomes so damn hot,...

12 Replies

3837 Views

Last post by psycix
Mon Mar 02, 2009 2:22 pm
Hydrogen Harvesting

Last post by jimmy101
Replies: 9
by SpudsMcGee » Sat Feb 28, 2009 10:32 pm

First post

Hiya Everybody,
If you haven't been acquainted with Works Bombs , they are like dry ice bombs but they use The Works toliet bowl cleaner and aluminum...

Last post

Unless you know what you know what you are doing this is not a very good idea.

You mus t have a pressure relief safety since in a closed system...

9 Replies

2780 Views

Last post by jimmy101
Mon Mar 02, 2009 12:44 pm
Shooting Marbles ???

Last post by Rob748
Replies: 4
by Rob748 » Sun Mar 01, 2009 2:32 pm

First post

Im in the process of building a Advanced Combustion Cannon that will shoot marbles that are around .65 in diameter. The Combustion Chamber is 15...

Last post

Lol I wish I could download hgdt

4 Replies

2677 Views

Last post by Rob748
Sun Mar 01, 2009 4:14 pm
Propellants?

Last post by Radiation
Replies: 10
by prairie warrior » Wed Feb 25, 2009 9:14 pm

First post

what are all of the working propellants for a combustion spud gun. tnx

Last post

Nope, it works best with a larger gun. It tends to flood smaller ones due to it's potency. It will leave a lot of soot in your chamber though.

10 Replies

4914 Views

Last post by Radiation
Sat Feb 28, 2009 10:25 pm
electronic paintball gun

Last post by SpudsMcGee
Replies: 3
by Demon » Sat Feb 28, 2009 5:25 pm

First post

It been almost one year since i did'nt posted in here because i founded another hobby: electronic

So i tought i little and i got a nice idea:

Why...

Last post

Still a sprinkler valve is unneeded. For something like a paintball gun you only would need a solenoid valve. Anything more would just be overkill.

3 Replies

1580 Views

Last post by SpudsMcGee
Sat Feb 28, 2009 7:50 pm
Regulator Failure

Last post by Combustion Monkey
Replies: 8
by Combustion Monkey » Sun Jan 18, 2009 7:41 pm

First post

I have had two Husky air regulators crap out on me recently. They are the ones from Home Depot with the plastic adjustment knob. Until I can find one...

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Sorry to kick up an old thread. I am still having problems with the Husky regulators. Am I the only one? The regulator in question was working great...

8 Replies

3160 Views

Last post by Combustion Monkey
Sat Feb 28, 2009 6:39 pm
First simple Cannon

Last post by trigun
Replies: 11
by TollBooth » Thu Feb 26, 2009 9:23 pm

First post

Alright, i used the plans found on this site, for simple cannon. I only changed a few parts. Any ideas or suggestions are welcomed.

3' chamber 15...

Last post

I thought you had the 4 male adapter and inside of that was a 4-2 reducer and a plug to cover that hole then you simply unscrewed the male adapter to...

11 Replies

5834 Views

Last post by trigun
Fri Feb 27, 2009 8:30 pm
Help with Capacitor ignition

Last post by trigun
Replies: 5
by Dgealy » Fri Feb 27, 2009 1:11 am

First post

I am working on an electronically triggered camera flash circuit using a capacitor. I am using a triggered spark gap: [url .

My problem is that I...

Last post

All of the camera circuits have make just have any switch firing them with all 660volts running through it.

5 Replies

3011 Views

Last post by trigun
Fri Feb 27, 2009 6:28 pm
How big should my combustion chamber be?

Last post by trigun
Replies: 5
by JT07 » Fri Feb 27, 2009 12:45 am

First post

Newb with a newb question here.

I'm building my first cannon and I've bought and assembled everything except the PVC. (perhaps I'm building...

Last post

YES a new member that actually doesn't want to be spoon fed. :cheers:

5 Replies

3166 Views

Last post by trigun
Fri Feb 27, 2009 6:16 pm
Future Reference ?

Last post by Lentamentalisk
Replies: 31
by Rob748 » Tue Feb 24, 2009 4:49 pm
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I had an idea, if you can use metered mapp gas or propane could you use metered acetylene ?, If you could I would be using schedule 40 or 80 steel...

Last post

I'm sorry! Here, have some Ibuprofen

Herm... I wonder how adding powdered ibuprofen would effect flame propagation rates...
31 Replies

11881 Views

Last post by Lentamentalisk
Wed Feb 25, 2009 8:57 pm
Semi Combustion?

Last post by starman
Replies: 8
by freder » Mon Feb 23, 2009 3:13 pm

First post

I saw this and probably watched it 30 times and all the other vids of this gun but I still don´t understand it :?

Does anyone know how this guys...

Last post

He has a clear combustion chamber and that motor sound you hear is him refreshing the chamber...actually sounds pretty cool. He probably does have...

8 Replies

3436 Views

Last post by starman
Wed Feb 25, 2009 7:54 pm
What is the safest material to use as a combustion chamber

Last post by pizlo
Replies: 25
by Rob748 » Sun Feb 22, 2009 9:09 pm
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First post

Hi I was wondering what the safest and strongest material to use as a combustion chamber is.

I was thinking of going 3 in schedule 40 steel pipng...

Last post

DO not build this cannon. building guns like this is only smart if you fully understand the English language lol Also noone can tell you what FPS you...
25 Replies

6381 Views

Last post by pizlo
Wed Feb 25, 2009 4:48 pm
New Member/ Will this work

Last post by jimmy101
Replies: 6
by eskimo643 » Sun Feb 22, 2009 6:02 pm

First post

So just joining. Live in the U.S. This is not my first potato gun in fact 4th one. So I decide to increase they power, and make i into a effective...

Last post

I doubt the Y configuration will behave any different than a single chamber of the same volume and pipe ID.

The Y will be a PITA to fuel and vent....

6 Replies

2816 Views

Last post by jimmy101
Mon Feb 23, 2009 1:45 pm
3 Cannons

Last post by PCGUY
Replies: 11
by eskimo643 » Sun Feb 22, 2009 6:11 pm

First post

These as the three canons that i have built.
First one is Private Miller, my first cannon
Second is Big Daddy
Third is Sergant Shore
All of these are...

Last post

He removed the links, it is OK now.

11 Replies

4015 Views

Last post by PCGUY
Mon Feb 23, 2009 10:46 am
Igntion placement in Combustion Chamber

Last post by inonickname
Replies: 8
by Rob748 » Sun Feb 22, 2009 9:40 pm

First post

Is it better to have the ignition in the middle of the chamber or the very end of the chamber ?

I came across something that said the best...

Last post

For a single spark gap, dead center in the chamber is best. Ideally, you should have multiple spark gaps spaced along the chamber. Remember that as...

8 Replies

2336 Views

Last post by inonickname
Mon Feb 23, 2009 2:35 am
Hydrogen/electrolysis ratios

Last post by john bunsenburner
Replies: 6
by inonickname » Sat Feb 21, 2009 9:31 pm

First post

Well after the Mini advanced buildup I've been searching for another project. So for now, I've decided to settle on rebuilding a similar cannon,...

Last post

Yes you should definately use either NaOH, KOH or perhaps citric acid if you are concerned, just not table salt. Sodium bicarbonate(baking soda) was...

6 Replies

2785 Views

Last post by john bunsenburner
Sun Feb 22, 2009 1:17 pm
Potato Cannon Barrel Too Short?

Last post by jimmy101
Replies: 28
by GeekFreak » Mon Feb 16, 2009 11:17 pm
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First post

Well, first of all, i'm new here, so hello, hola, guten tag, and any other ways you can say hi. Second, this is my first combustion potato gun and...

Last post

Two failures in a dozen or so firings....

Time to chuck that POS into the trash and start again. A basic combustion should never fail.

Get PVC...
28 Replies

8981 Views

Last post by jimmy101
Fri Feb 20, 2009 5:04 pm
Silencio ~ GB Combustion

Last post by mark.f
Replies: 8
by CS » Fri Jan 30, 2009 2:08 am

First post

Silencio

Super-duper-major credit to Gort's Streamlined Simple Combustion .

Decided it was time to build a cannon, so here it is:

Last post

Decided it was time to build a cannon,
Just like instantly?
You just suddenly jumped up and ran off to the hardware store... :lol:

Why not? That's...

8 Replies

3912 Views

Last post by mark.f
Fri Feb 20, 2009 11:10 am
Combustion Mortar concept

Last post by inonickname
Replies: 7
by Dgealy » Sun Feb 15, 2009 12:31 am

First post

Stick with me on this, because I don't have any pictures.

My idea is for almost a real action type combustion mortar, where all one has to do is...

Last post

The aluminum foil makes the connection between the two electrodes, making a spark. Or just making it hot enough to ignite the mix. but yeah, the...

7 Replies

2800 Views

Last post by inonickname
Sun Feb 15, 2009 6:25 am
My first potato gun and topic

Last post by ArtV8
Replies: 11
by ArtV8 » Wed Feb 11, 2009 9:08 pm

First post

Hi fellows from around the world, this is my first topic @ SF so Ill introduce myself here. My name is Arthur, 20 years old and I live in Rio Grande...

Last post

hahah but I like air wick smell in the morning xDD

Now I added some epoxy to the bottle caps and where the wires get in the chamber, its working...

11 Replies

5875 Views

Last post by ArtV8
Fri Feb 13, 2009 9:35 pm
Herminator

Last post by trigun
Replies: 25
by trigun » Mon Jan 26, 2009 11:33 pm
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First post

4 sch 40

32 in chamber

Pop-vent

80mm Pc Fan -18v power supply

no exposed wires or nuts and bolts

first time painting a cannon

cam-locks for...

Last post

The bugs are all worked out I just need some free time and then the weather to warm up.
25 Replies

9543 Views

Last post by trigun
Thu Feb 12, 2009 11:15 pm
Combustion Sniper (UPDATE 1.2)

Last post by freder
Replies: 18
by freder » Thu Feb 05, 2009 9:17 am
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First post

It´s finished what do you think now?
________________________
Hey there spudders,

I actually wanted to build a mini just for fun because I was...

Last post

Well... that sounds good but my dad isn´t amused about my hoppy :?
So a normal compressor will have to do the job :D

I´m really thinking about...
18 Replies

7963 Views

Last post by freder
Wed Feb 11, 2009 8:55 am

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