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

955272 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

314813 Views

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

Topics

Ignition idea

Last post by john bunsenburner
Replies: 19
by john bunsenburner » Thu Jan 08, 2009 12:22 pm
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Ok i am not sure if any of you have done this if so forget about this thread. I am a pneumatics guy and will stay oen so please dont ask me too many...

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Yup thats like mine just mine has a singe wire not a bundel, its geat to ignite things seeign i dont have a lighter any more(guess where the piezo...
19 Replies

5315 Views

Last post by john bunsenburner
Sat Jan 10, 2009 1:19 pm
is alcohol a useable fuel?

Last post by jimmy101
Replies: 21
by salasd » Wed Jan 07, 2009 8:20 pm
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hi, i was just wondering, is alcohol a usable fuel? i shot my first spud gun today, it was using static guard and as i was filling the chamber with...

Last post

1. Yes, you can use alcohol or any other volatile flammable liquid.
2. No, you don't really need a sprayer or atomizer.
3. The quantity of alcohol...
21 Replies

11554 Views

Last post by jimmy101
Thu Jan 08, 2009 12:54 pm
A new concept in Combustion Cannons?

Last post by spudtyrrant
Replies: 24
by JohnnyBOOM » Fri Dec 19, 2008 10:56 pm
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This forum is great. I wish I had found it sooner.

I thought I'd share my propane launcher idea since I haven't really seen anything like here or...

Last post

His cannon has a release valve that operates the same as yours and is pictured below. The picture that shows it was apparently removed but I dug it...
24 Replies

8248 Views

Last post by spudtyrrant
Wed Jan 07, 2009 10:41 pm
Is my cannon cursed?

Last post by Xxplosive42o
Replies: 12
by Radiation » Tue Jan 06, 2009 10:38 am

First post

Ok I know it's not cursed, but consider the following scenario:
After my rebuild my spark gap works perfectly.
My fan works perfectly.
When the fan...

Last post

I understand your pain Radiation. The strip design I built had to undergo a few changes before I got it right. When I soldered the wire to the...

12 Replies

4816 Views

Last post by Xxplosive42o
Wed Jan 07, 2009 5:21 pm
Australian fittings + propane = ?

Last post by Cosmic Muffin
Replies: 5
by Cosmic Muffin » Mon Jan 05, 2009 8:44 am

First post

Gday chums

i have a propane cylinder sitting in the shed right now needing a home :wink: and i was wondering if i could use it on my cannon...

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yer well im after the consistency.
just dont want to blow the chamber up.

oh cheers
imho

i see

5 Replies

1286 Views

Last post by Cosmic Muffin
Wed Jan 07, 2009 1:01 am
Spark Strip Advice

Last post by Radiation
Replies: 13
by Xxplosive42o » Sun Jan 04, 2009 6:11 pm

First post

Hello, I just finished building what will be the spark strip for my cannon. I would appreciate any input and commentary.

It is comprised of a 15 1/4...

Last post

You do, if you didn't you wouldn't be getting so much attention. :D

I think it's one of the most bada$$ spark strips I have seen and I'm wishing I...

13 Replies

6183 Views

Last post by Radiation
Tue Jan 06, 2009 6:31 pm
help-ignition ideas?

Last post by psycix
Replies: 8
by salasd » Mon Jan 05, 2009 9:37 pm

First post

hi, for like the past week ive been working on my first spudgun and ive just been wondering, what do i use for the ignitor? i heard bbq lighters were...

Last post

There are multiple kinds of piezo ignitors.
The tiny black things which are inside lighters are crap.
The big red pushbutton BBQ sparkers are very...

8 Replies

4015 Views

Last post by psycix
Tue Jan 06, 2009 3:44 pm
Help - fuel problems

Last post by jimmy101
Replies: 4
by codshead » Mon Jan 05, 2009 8:20 am

First post

Help please
I have built a very basic cannon out of MDPE black sdr11 pipe work. to create the chamber though it had to be enclosed ( the back does...

Last post

Also, the 1 mm fueling hole is a little dubious.
Get a syringe and inject the fuel through that 1mm hole. Much simpler and cheaper than a meter but...

4 Replies

1619 Views

Last post by jimmy101
Mon Jan 05, 2009 5:31 pm
Combustion chamber for a simple spud gun

Last post by Luc7777
Replies: 8
by Luc7777 » Sun Jan 04, 2009 2:49 pm

First post

Hey!
Well I'm new to these forums, and I don't know very much at all about spud guns.

I was wondering if as a combustion chamber for a 2 inch PVC...

Last post

Am doing, see you guys around.

8 Replies

2414 Views

Last post by Luc7777
Sun Jan 04, 2009 4:18 pm
hydrogen powered mini

Last post by SpudBlaster15
Replies: 39
by alwinovich » Sat Dec 20, 2008 4:24 pm
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First post

i made this little mini in about 7 hours
it uses a glue gun as housing
and the glue-heating chamber as combustion chamber
it has a detatchable...

Last post

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

13880 Views

Last post by SpudBlaster15
Sat Jan 03, 2009 9:09 pm
Hybrid safety valve

Last post by john bunsenburner
Replies: 19
by Moonbogg » Thu Jan 01, 2009 8:18 pm
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First post

Is there a kind of burst or high flow blowout valve that can be used to ensure chamber pressure doesn't go too hi? I know there are pop valves, but I...

Last post

i guess i can get it from my compressor supplyer
19 Replies

5639 Views

Last post by john bunsenburner
Fri Jan 02, 2009 9:24 pm
Tin-can Cannon

Last post by starman
Replies: 24
by I707erSk8I » Tue Dec 16, 2008 3:48 pm
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I have a Question about the Thread above.

I am making one of these right now and I cant figure out how to get rid of that little rim on the...

Last post

I just used mine today for the first time. I wasn't impressed. Is there a cb ratio that I missed somewhere? I used lighter fluid. I did get a pop but...
24 Replies

5818 Views

Last post by starman
Mon Dec 29, 2008 4:50 pm
glow plug idea

Last post by Obctg
Replies: 18
by jon_89 » Mon Dec 15, 2008 11:46 pm
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Okay I know the idea of using a glow plug has been thrown around and I think it has actually been done but that was with a car glow plug and a big...

Last post

i just dont think it could get hot enough
18 Replies

6826 Views

Last post by Obctg
Sun Dec 28, 2008 12:07 am
Ranges of other people's Advanced Combustions

Last post by Moonbogg
Replies: 15
by spudkilla224 » Sun Dec 07, 2008 1:04 pm
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hello, i'm building an advanced combustion and i want to get a rough estimate about the range of how far an Advanced Combustion Cannon shoots with...

Last post

High Energy:

Just saw this now. Sorry to resurrect the thread, but had to say thats a BIGASS gun!

Oh yeah, I've only made one gun. Its an advanced...
15 Replies

5570 Views

Last post by Moonbogg
Thu Dec 25, 2008 12:53 pm
A glimpse of whats coming

Last post by Moonbogg
Replies: 9
by Moonbogg » Sat Dec 20, 2008 2:30 am

First post

Hi,
This is my new design. Its nearing completion but is still a work in progress. I can't decide if the first version will be stainless or painted...

Last post

Looks good so far. You do know this can be easily built with PVC without going to the expense and trouble of metal construction....

Damn voices of...

9 Replies

3279 Views

Last post by Moonbogg
Thu Dec 25, 2008 12:19 pm
Need to get one!

Last post by psycix
Replies: 3
by taterflames22 » Wed Dec 24, 2008 1:48 pm

First post

I need to get a EVERCOOL AL7015 70mm Case Fan. I tried to order one on newegg.com but they sold out. Where can I find one to order.

Last post

Why do you need that exact type?
For in a spudgun any fan will do.
If 80mm fits, just use that. They are alot more common and thus also cheaper.
You...

3 Replies

1700 Views

Last post by psycix
Thu Dec 25, 2008 7:43 am
Oxygen-Propane Combustion

Last post by freyyr890
Replies: 11
by freyyr890 » Wed Dec 24, 2008 4:10 am

First post

Hi,

My friend and I are upgrading his miniature spud gun to accept a Propane-Oxygen fuel mix. It has a small combustion chamber (about 75 cubic...

Last post

Okay, thanks for the feedback.

I'll shelve the O2 for now until I get around to building a metal cannon, and just build a propane meter.

Thanks...

11 Replies

8308 Views

Last post by freyyr890
Wed Dec 24, 2008 9:19 pm
New barrel advice

Last post by raptorforce
Replies: 28
by Moonbogg » Sun Dec 14, 2008 4:23 am
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I am making a silenced barrel. My chamber is 4 SCH40 x 17 long. I currently have a 1.5:1 C:B: ratio with a 43 long, 2 SCH40 barrel, and its LOUD.
I...

Last post

An effective suppressor is not hard to build and if made permanently attached to a large bore spudgun, extremely unlikely to get you into trouble...
28 Replies

8174 Views

Last post by raptorforce
Wed Dec 24, 2008 3:25 am
50mm bore *UPDATED* new pics

Last post by Cosmic Muffin
Replies: 23
by Cosmic Muffin » Mon Dec 15, 2008 12:34 am
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Gday guys

this is my first posted combustion.
constructed from PVC pipe - DWV
the chamber is 90m reduced to 50mm via a bell reducer and has a...

Last post

haha cheers mate, i love halo :wink:
if you wanna post your gun just go to the showcase then click new topic.
write all your stuff in, stick in the...
23 Replies

9866 Views

Last post by Cosmic Muffin
Tue Dec 23, 2008 7:56 pm
water balloon combustion

Last post by jimmy101
Replies: 14
by Dgealy » Sat Dec 20, 2008 11:28 pm

First post

Does anyone think that a combustion launcher can launch a water balloon without breaking it?

My thought is that the pressure spike would pop it....

Last post

actually your half right... but the friction, and also the acceleration is what bursts the balloon... and the area of spike you have... if its the...

14 Replies

7289 Views

Last post by jimmy101
Mon Dec 22, 2008 3:13 pm
Mini Potato/Marble Cannon Project

Last post by psycix
Replies: 8
by Krislachlan » Thu Dec 18, 2008 9:03 am

First post

made a mini Patato Cannon/Marble Cannon.. PLease tell us what you think. this stuff is fairly New to us and how we can improver

Edited by...

Last post

Chamber fan and propane metering would do well on firing rate, performance and reliability/consistency.

8 Replies

3707 Views

Last post by psycix
Mon Dec 22, 2008 9:06 am
Need firing system for a 6 barrel rotary cannon

Last post by jrrdw
Replies: 12
by Giorgio » Sun Dec 21, 2008 8:01 am

First post

We have our plans and maths correct but need to find an easier system for a multi barrel firing circuit. this circuit need to fire one barrel then...

Last post

Thats it! I've seen enough, this entire thread has turned out to be worthless and I'm putten a stop to any more potential sarcastic bullshit!

If...

12 Replies

18178 Views

Last post by jrrdw
Sun Dec 21, 2008 6:46 pm
(formerly)Advanced tennis ball gun

Last post by Giorgio
Replies: 2
by isban » Fri Nov 28, 2008 10:39 pm

First post

i made this for a school project like 2 years ago. it used to have a chamber fan, which broke, and a stun gun ignition that i swapped to another...

Last post

i say... thats... well.. yeah a medium ranged spuddy.... because the only visiable difference between mine and yours is the regulated fuel system....

2 Replies

2729 Views

Last post by Giorgio
Sun Dec 21, 2008 7:15 am
A few questions from an amateur.

Last post by EternityTransfer
Replies: 5
by EternityTransfer » Sat Dec 20, 2008 4:01 am

First post

Hello all, I'm new here, and, if no one minds, I'm gonna ask a few questions about my first ever combustion.

(Sorry about the metric units, but it...

Last post

Thanks all for the replies.

Just to clear something up, I'm not in Europe, the pic was a bit misleading, I'm actually in South Africa.

The cylinder...

5 Replies

1960 Views

Last post by EternityTransfer
Sun Dec 21, 2008 6:36 am
What kind of fuel should i use ?

Last post by jimmy101
Replies: 19
by dudeman508 » Mon Dec 15, 2008 10:15 am
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I know i haven't been on the forum lately, but i am half way through my copper piston cannon, and i have just finished my first combustion. It is a...

Last post

explosive ingredients.

Ermm, the word is Combustible not explosive :) As in burn, not blow-up.
Ermm, no, the term is explosive. Combustable gases...
19 Replies

6171 Views

Last post by jimmy101
Thu Dec 18, 2008 12:43 pm

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