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

955325 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

314818 Views

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

Topics

Flames

Last post by TurboSuper
Replies: 20
by snoopy05 » Mon Nov 19, 2007 4:24 pm
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i cant give u anything to use to get the acceleration but the aresol or the spray can sun scree is very flamable!!!!!! :twisted:

Last post

Lighting a match and spraying sunscreen at it is much different than getting the sunscreen to ignite inside a closed chamber with a spark. This of...
20 Replies

4916 Views

Last post by TurboSuper
Tue Nov 20, 2007 6:37 pm
gas meters

Last post by BC Pneumatics
Replies: 2
by Spitfire » Sun Nov 18, 2007 4:12 am

First post

Where can i get, or make a air to feul meter?

Last post

I think you want a Propane Meter:

2 Replies

1677 Views

Last post by BC Pneumatics
Sun Nov 18, 2007 12:01 pm
advanced chamber venting question

Last post by rna_duelers
Replies: 6
by singularity » Sat Nov 17, 2007 11:37 pm

First post

my current project (well one of two) is a fully automated (but not fully automatic) propane mortar. its primary ammo will be water bottles and every...

Last post

Have a schader valve,hook up tyo hand pump and pump air out n in like around the chamber will helkp it lots.

6 Replies

2189 Views

Last post by rna_duelers
Sun Nov 18, 2007 5:43 am
Interchangable Barrels Possible?

Last post by Spitfire
Replies: 8
by xequa » Fri Nov 16, 2007 10:17 am

First post

Hi everyone,

I've done some searching on this site, but couldn't find anything about how to make a spudgun with interchangable barrel sizes, or if...

Last post

i just glued the one adaptor to a small piece of pvc, then glue that onto the adaptor(mine is 110mm to 50mm) then you put the matching adaptor onto...

8 Replies

2707 Views

Last post by Spitfire
Sun Nov 18, 2007 4:10 am
My first "real" spud cannon

Last post by Hubb
Replies: 10
by glowbum » Sun Feb 12, 2006 5:25 pm

First post

This is the first cannon I've built in at least 10 years. It's pretty straightforward, with the fan batteries under the side panels. This is a rough...

Last post

You know, it was a pretty old post. I didn't realize. However, there have been questions on whether a cannon post can be bumped without too much...

10 Replies

5091 Views

Last post by Hubb
Sat Nov 17, 2007 9:46 pm
Confused about flyback transformer circuit

Last post by Los Frijoles
Replies: 10
by bugsingelyn » Tue Nov 06, 2007 7:13 pm

First post

First, I don't post often but I do look at the forums whenever I'm bored. I don't know why I don't post more often, maybe I'll start now.

I've read...

Last post

Kind of off topic, but could this be used to drive a tesla coil? My dad built a tesla coil during college and used a digital 'something' to resonate...

10 Replies

5600 Views

Last post by Los Frijoles
Sat Nov 17, 2007 9:38 pm
Back to Basics and Needing Ideas

Last post by TwitchTheAussie
Replies: 34
by TwitchTheAussie » Thu Nov 15, 2007 2:27 am
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Well I thought it bout time to pull my finger out now I got a job and build a new combustion. However I was too spoiled for choice at what to do and...

Last post

Dibs on a big tree .50 sniper rifle and a flamethrower for birdies :D
34 Replies

10398 Views

Last post by TwitchTheAussie
Sat Nov 17, 2007 8:45 pm
Questions for my semi advanced combustion.

Last post by MetalMSTR
Replies: 19
by the beast » Sun Nov 11, 2007 8:29 pm
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Okay i know you may be saying you can find this all on the search but i did search several different occations actually.
My first question is what...

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my father is industrial engineer and he toldme to use hidraulick pvc is better (for higth persure water) i ued it is a litle expensiver than common...
19 Replies

8278 Views

Last post by MetalMSTR
Sat Nov 17, 2007 2:21 pm
Valier-Oberth Moon Gun

Last post by MetalMSTR
Replies: 4
by Atlantis » Mon Nov 12, 2007 3:21 am

First post

Thought you guys might find this interesting.

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wow they are crazy if it works an hit the moon (i think will not hapen)they will blast the moon off and it they dont get it...probabiliy the rocket...

4 Replies

2027 Views

Last post by MetalMSTR
Sat Nov 17, 2007 2:10 pm
Gort's Proton Pack (Combustion Backpack Launcher) + Videos!

Last post by xequa
Replies: 35
by sgort87 » Mon Mar 06, 2006 8:40 pm
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Well here it is guys, the Proton Pack (Think Ghostbusters) AKA: CBPL (Combustion Backpack Launcher). There's been a lot of hype about this launcher...

Last post

This is amazing! I have a lot to aspire to :)
35 Replies

18741 Views

Last post by xequa
Sat Nov 17, 2007 12:00 pm
DC motor as fan

Last post by BigGrib
Replies: 20
by strangers » Sat Oct 27, 2007 9:45 pm
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First post

I had heard that dc motors used for chamber fans could cause sparks and prematurely ignite the fuel in a potato gun, and I was wondering is this...

Last post

well me i would go to office depot and depending on how big your chamber is get the right size fan, like my 4 has a 80mm fan and i took the angle...
20 Replies

5662 Views

Last post by BigGrib
Fri Nov 16, 2007 6:04 am
Question about stun guns

Last post by jimmy101
Replies: 9
by Ragnarok » Tue Nov 06, 2007 8:03 pm

First post

I'm planning to take advantage of the BCArms deal on the combustion essentials , but I need to ask a couple of things about stun guns first, because...

Last post

i have a question about stun guns. i have a 500k stun gun (a bit over kill i know, but i got a good deal on it) and i was wondering if it would melt...

9 Replies

2478 Views

Last post by jimmy101
Thu Nov 15, 2007 1:00 pm
The Stock Breaker

Last post by JJ pyro
Replies: 11
by Lewbo » Mon Oct 09, 2006 3:18 am

First post

This is my first combustion (apart from the crap little one i made from a foam focket launcher), the stock breaker, with jungle green paintjob:-...

Last post

exectly like myn first

11 Replies

8340 Views

Last post by JJ pyro
Thu Nov 15, 2007 11:37 am
Suppressor idea

Last post by Novacastrian
Replies: 12
by boilingleadbath » Wed Nov 14, 2007 5:37 pm

First post

Forgive me if this concept has already been discussed, I don't follow the suppressor discussions as well as I should.
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It seems...

Last post

oh... but you can light up some steel wool with a 9 volt, a giant muzzle flash ain't gonna do anything?

edit: alot of the stuff in this forum is NOT...

12 Replies

4839 Views

Last post by Novacastrian
Thu Nov 15, 2007 2:22 am
Huge Combustion Video!

Last post by n3rdkw
Replies: 16
by Dornep » Sat Sep 01, 2007 10:53 pm
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First post

I'm sure some of you guys have probably seen this already, but this thing is awesome! Thought you might like to check it out so here it is.

I...

Last post

I still can't believe that is a combustion o.O
Best combustion I've seen though
16 Replies

6278 Views

Last post by n3rdkw
Wed Nov 14, 2007 11:23 pm
Regulator on the tank, or before the meter?

Last post by wangpushups
Replies: 2
by wangpushups » Wed Nov 14, 2007 3:45 am

First post

Does it matter where i put the regulator? I have it connected to the propane tank right now but would it be better if i put it right before the...

Last post

Why's that? More comfortable?

2 Replies

1267 Views

Last post by wangpushups
Wed Nov 14, 2007 10:45 am
Where to buy parts in the uk?

Last post by HuDeani
Replies: 4
by HuDeani » Wed Nov 14, 2007 10:00 am

First post

Hello there guys n gals im trying to build myself a cannon but im having trouble finding the parts i need. i want to make it with a 4 inch combustion...

Last post

Thanks for that jackssmirkingrevenge! :)

4 Replies

1782 Views

Last post by HuDeani
Wed Nov 14, 2007 10:34 am
My Very First Cannon. (Before I Knew About Spudfiles)

Last post by frankrede
Replies: 4
by wangpushups » Tue Nov 13, 2007 3:38 am

First post

Before anyone posts about me not tapping through the double layer,...I know... I had no idea how to make one obviously, but another thing is that i...

Last post

I like it.
Too bad you still have to vent it:/

4 Replies

2864 Views

Last post by frankrede
Tue Nov 13, 2007 3:55 pm
hi i am new and i want to share my desing with us

Last post by MetalMSTR
Replies: 7
by MetalMSTR » Sun Nov 11, 2007 10:59 pm

First post

hello i just signed up and i have a blast cannon this is the picture
(see picture attachment)
the bigger pvc is 4 x50cm and the barrel is 2 x50 cm...

Last post

it is great but i am not sure it will be too powerful still for hidraulic pvc
but can be really fun to use in ballons bombs
your spanish is not too...

7 Replies

3377 Views

Last post by MetalMSTR
Mon Nov 12, 2007 2:25 pm
No pressure rating. :-/

Last post by BC Pneumatics
Replies: 3
by bLah » Mon Nov 12, 2007 12:30 pm

First post

Yesterday I went to ACE Hardware store and bought all the PVC stuff and PVC cement for a spud cannon. Now, I'm seeing all this stuff about it needing...

Last post

(Yeah, I copied myself from earlier, but it applies)
Don't worry about it. As far as I am concerned, we need a button right after the phpBB tags...

3 Replies

2189 Views

Last post by BC Pneumatics
Mon Nov 12, 2007 1:36 pm
Advanced Combustion with Video

Last post by ninjafroglet
Replies: 7
by Dornep » Sun Oct 14, 2007 8:05 pm

First post

This is my third combustion and the second I've made which has a 4 chamber. I tried several new things on this cannon and I'm very happy with the...

Last post

sweet cannon :shock:

7 Replies

5179 Views

Last post by ninjafroglet
Mon Nov 12, 2007 1:39 am
a fairly small/ basic combustion of mine...

Last post by hi
Replies: 9
by hi » Sun Oct 14, 2007 10:17 pm

First post

This is my newest and latest cannon. its was built completly of scraps that i have laying around, it did not cost me a single penny. the chamber is a...

Last post

I have one kind of like that. I shot a jawbreaker and dented the solid brass bell on my treehouse. I bet it has a lot of power.

ive been shooting...

9 Replies

3791 Views

Last post by hi
Sun Nov 11, 2007 11:59 pm
My friend Tyler's dual ignition combustion

Last post by ninjafroglet
Replies: 19
by SpudBlaster15 » Sun Oct 29, 2006 12:25 am
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First post

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras nec placerat erat. Vivamus dapibus egestas nunc, at eleifend neque. Suspendisse...

Last post

is the last picture still a pic of the same cannon shown in pic 1? it doesn't look the same.

Nice cannon tho
19 Replies

15359 Views

Last post by ninjafroglet
Sun Nov 11, 2007 7:58 pm
Right Fuel Mixture

Last post by spudgunnerwryyyyy
Replies: 4
by Rogue » Sat Nov 10, 2007 3:12 pm

First post

Grrrr... i made a ghetto combustion earlier today. everything is dry but i can get the fuel mixture right. Noooo!! this is what i am using for a...

Last post

Use like denatured alcohol. It works great for smaller combustions. Put it in spray bottle and use 2-3 sprays.

4 Replies

2913 Views

Last post by spudgunnerwryyyyy
Sun Nov 11, 2007 4:14 am
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

8245 Views

Last post by BigGrib
Sat Nov 10, 2007 8:36 pm

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