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

631992 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

213207 Views

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

Topics

Barrel Lube

Last post by Sonicboom101
Replies: 15
by Sonicboom101 » Tue Jul 27, 2010 4:52 pm
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First post

When I first started building spud cannons I was told by my friend that I need to lube up the barrel with WD-40. I've been thinking after all this...

Last post

Most of my guns I have sharpened the end of witch I'm loading the spud in. I have never tried any other methods of cutting the projectile down to...
15 Replies

5678 Views

Last post by Sonicboom101
Fri Jul 30, 2010 9:54 pm
quick fan question

Last post by motorfixer1
Replies: 5
by covey12 » Fri Jul 23, 2010 2:21 pm

First post

i have a lot of experience with mini combustions and large pneumatics, but have decided to make a large combustion, and regarding the chamber fan i...

Last post

Good answers guys very informative! Thanks

5 Replies

2637 Views

Last post by motorfixer1
Fri Jul 30, 2010 9:11 pm
Help

Last post by wyz2285
Replies: 11
by wyz2285 » Tue Jul 27, 2010 4:51 am

First post

Some one plz help me,I'm really new at combustion cannons.
And i'm trying to make a mini one first,i used a chamber fan,a spark ignitor, using a mix...

Last post

thanks,this helps a lot :D

11 Replies

4575 Views

Last post by wyz2285
Tue Jul 27, 2010 3:37 pm
Gorilla glue?

Last post by clemsonguy1125
Replies: 1
by covey12 » Tue Jul 27, 2010 1:48 pm

First post

I'm out of PVC cement but have a lot of gorilla glue, will this work to build a small basic spray and pray? Or is that a bad idea

Last post

Its a bad idea, Gorilla Glue is great for bonding some things but PVC is not one. Just spend the 5 dollars to buy the PVC Cement.

1 Replies

1631 Views

Last post by clemsonguy1125
Tue Jul 27, 2010 1:53 pm
mini combustion rifle

Last post by wyz2285
Replies: 24
by ilovefire » Wed Jun 09, 2010 12:49 am
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First post

hey everyone this is my latest mini combustion cannon, its not completely finished yet but it is fully functional.

barrel: 15mm x 440mm aluminum...

Last post

thx,i will start now :)
24 Replies

14435 Views

Last post by wyz2285
Mon Jul 26, 2010 3:37 am
Gun made of Plasson pipe and fittings vs MAPP gas?

Last post by ozoncqp
Replies: 2
by ozoncqp » Fri Jul 23, 2010 2:10 pm

First post

Ok hey again, it's been a while.

Right so I upgraded my guns a bit and made a new light weight version with the stuff thats avail in denmark.

at...

Last post

Cheers man, yeah I run with mixture on the propane/butane right now. And all I could read from the bottle is the burn temp, goes from 1800 to 2400...

2 Replies

2209 Views

Last post by ozoncqp
Fri Jul 23, 2010 3:29 pm
What is this newbie doing wrong?

Last post by jakethebeast
Replies: 3
by Jim Beam » Thu Jul 22, 2010 8:13 pm

First post

Hi all:

Sorry if this question has been posted before. I used the search function but didn't see what I needed.

I've been having great fun for the...

Last post

i think you just but too much propane in there, try with little less :wink:

3 Replies

1799 Views

Last post by jakethebeast
Fri Jul 23, 2010 3:20 am
my very first attempt. all she needs is a name

Last post by kjjohn
Replies: 8
by eclecticboo » Tue Jul 20, 2010 3:59 pm

First post

any ideas for a name?

Last post

You don't need a compressor, you can use a bike pump. However, a compressor does help a lot! If you live in the US, you can get a $40 air compressor...

8 Replies

4614 Views

Last post by kjjohn
Thu Jul 22, 2010 6:21 pm
16.4 Ounce Containers for a Combustion Cannon

Last post by Jeeperforlife
Replies: 22
by lbfergus » Mon Jul 19, 2010 12:53 pm
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First post

Hey everyone. I am getting ready to make my first combustion cannon (have made a bunch of pneumatics), and I want to go the metered propane route. I...

Last post

Thanks for all of the help everyone!

My last (hopefully) question for this build, can I build a stand for this thing out of PVC? Or is the recoil...
22 Replies

13308 Views

Last post by Jeeperforlife
Mon Jul 19, 2010 5:43 pm
UK: Fuel meter supplies

Last post by Biopyro
Replies: 11
by Biopyro » Sat Jul 10, 2010 9:00 am

First post

So I've got some free time for once this summer, and I've decided to build another cannon. Nice, reliable advanced combustion. I've secured an offcut...

Last post

Didn't want to budge, even with heat applied.

Luckily, I have found a gas bottle adapter in the UK
From either here or here

This means I just need...

11 Replies

4487 Views

Last post by Biopyro
Mon Jul 19, 2010 2:11 pm
Mr. Morph - Advanced Combustion

Last post by starman
Replies: 11
by starman » Sun Jan 24, 2010 11:20 pm

First post

Mr. Morph - Advanced Combustion

This combustion unit uses some of the core Sureshot Inc. parts that is used in the BL-417 spudguns....

Last post

Yes this is UltimateSpudgun hardware contrived into my own configuration. And yes, PVC from the plumbing store.

11 Replies

19076 Views

Last post by starman
Tue Jul 13, 2010 1:29 am
First gun

Last post by jimmy101
Replies: 14
by toon » Sun Jul 11, 2010 8:03 am

First post

Yesterday I made my first spud gun and today i tested it and it wouldn't shoot.
I used axe as fuel.
Can the problem be that i put an open flame in...

Last post

good thing to got it working, but the y is very bad combustion chamber, next time try with normal T , it would work better
But in a spray-n-pray...

14 Replies

6143 Views

Last post by jimmy101
Mon Jul 12, 2010 7:46 pm
Ideas for things to shoot

Last post by jackssmirkingrevenge
Replies: 1
by Wayfast73 » Sat Jul 10, 2010 2:01 am

First post

I built a combustion with a 2.5 x36 barrel and a 3 x25 chamber. I have been thinking about making a propane meter, but before I do I need ideas for...

Last post

There is an entire section of the forum dedicated to ammunition ideas, have a browse through it ;)

1 Replies

1333 Views

Last post by jackssmirkingrevenge
Sat Jul 10, 2010 2:04 am
Latest Apple Cannon

Last post by Biopyro
Replies: 12
by NewMexicoJoe » Wed May 19, 2010 10:01 pm

First post

For the past 4-5 years, I've built some sort of potato/tennis ball/etc. launcher just as a goof. This year I decided to convert it to MAPP gas and...

Last post

How did you attach the electronics compartment to the chamber? I like the design, its very clean and stops the gas looking like an unwanted...

12 Replies

6711 Views

Last post by Biopyro
Wed Jul 07, 2010 4:42 pm
latest discovery

Last post by metalmeltr
Replies: 3
by metalmeltr » Mon Jul 05, 2010 9:12 am

First post

Last night while messing around in the garage i discovered that a standard BBQ piezoelectric ignitor will fit perfectly in 3/4 pvc. Today i will fill...

Last post

to late already glued it on

3 Replies

1900 Views

Last post by metalmeltr
Tue Jul 06, 2010 10:53 pm
ignition for my combustion

Last post by ramses
Replies: 42
by spikerbond » Thu Jun 10, 2010 8:41 pm
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i am planing on making my first combustion so i was looking at the sticky in the forum about ignition sources and when i scrolled down to the neon...

Last post

Replace the stock capacitor on the flash board with one around 1-5 uF for much faster recycling, little to no loss of power, increased battery life,...
42 Replies

11811 Views

Last post by ramses
Mon Jul 05, 2010 6:28 pm
Marble gun

Last post by jakethebeast
Replies: 3
by Stolly32123 » Sun Jul 04, 2010 8:04 am

First post

VERY simple cannon made form pvc. Its my first gun apart from a simple spud cannon that i got a tutorial for. this one is my own design. Its just a...

Last post

pretty clean gun, love the paintjos, but you need to change that ball-valve!

3 Replies

3119 Views

Last post by jakethebeast
Mon Jul 05, 2010 3:45 am
New Spark

Last post by deathbyDWV
Replies: 2
by bighead33 » Thu Jul 01, 2010 10:01 pm

First post

a couple of days ago there was this thing on the yahoo! homepage about toy story 3 and there was this robot (sparks) that reminded me about a toy...

Last post

Yeah, it's just a flint sparker with a motor... People have used flint sparkers on cannons, but only the kind you spin with your fingers. IIRC, SF...

2 Replies

2083 Views

Last post by deathbyDWV
Thu Jul 01, 2010 11:50 pm
Fixing my first spud gun

Last post by jrrdw
Replies: 20
by Wayfast73 » Sat Jun 26, 2010 5:16 pm
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First post

Hey guys I'm new here. I made my first spud gun yesturday. It has a 3 x24 chamber and a 2 x36 barrel. Both have 226 cubic inches of volume if my math...

Last post

another problem you may be having is the huge length of your chamber

Spudtyrrant brings up a good point. With a 24 long chamber and a single...
20 Replies

7629 Views

Last post by jrrdw
Mon Jun 28, 2010 3:04 pm
construction questions

Last post by sgort87
Replies: 8
by Grignacke » Sun Jun 20, 2010 3:35 pm

First post

Hello, I'm very new to spud cannons and their paraphernalia.
I was given a very simple schematic of a starting spud gun, with a 4 by 36 chamber and...

Last post

Back to the original post, I'll answer your questions since the wiki isn't always clear to the beginner.

Good thought on the C:B ratio, but that is...

8 Replies

2625 Views

Last post by sgort87
Mon Jun 21, 2010 8:42 am
The Magnum

Last post by evanmcorleytv
Replies: 17
by cardman625 » Sat Apr 18, 2009 8:42 am
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First post

My new combustion gun uses a candle lighter for ignition and has a 2 by 6.5 chamber and a 3/4 by 10 barrel. I managed to rout out a slot in the...

Last post

me likey, what distance are you getting?, what's the muzzle energy? p.s. IT'S BEAUTIFUL :D
17 Replies

13538 Views

Last post by evanmcorleytv
Sun Jun 20, 2010 10:23 am
Mixing Valve?

Last post by POLAND_SPUD
Replies: 14
by PVC Arsenal 17 » Fri Jun 18, 2010 10:01 pm

First post

Does anyone know of a simple, cheap way to achieve an ideal mixture of air & propane so that when connected to a propane bottle alone, I can fill...

Last post

@jimmy
that's exactly what I had in mind

14 Replies

5139 Views

Last post by POLAND_SPUD
Sat Jun 19, 2010 5:11 pm
cheap fuel injection method for hairspray

Last post by ukejosh
Replies: 7
by ukejosh » Mon Jun 14, 2010 10:46 pm

First post

I am new here, in fact I am only here to share my findings with a simple combustion spud cannon, some random piece from a Oriely auto parts and a few...

Last post

exactly, i suppose this idea is not meant for this website, it is meant for the average teenager that thinks it would be a cool idea to make a potato...

7 Replies

4488 Views

Last post by ukejosh
Wed Jun 16, 2010 8:36 am
Combustion/Hybrid Fuels...

Last post by saefroch
Replies: 13
by saefroch » Sun Jun 13, 2010 9:41 pm

First post

I was musing about my hybrid/combustion plans after reading over the thread about using isopropanol as a fuel, when I began to wonder about other...

Last post

I was hoping to investigate using different fuels to possibly squeeze a bit more yield out of a mix, and for interest in ease of storage and...

13 Replies

3890 Views

Last post by saefroch
Tue Jun 15, 2010 7:05 pm
Only shoots once!

Last post by ukejosh
Replies: 6
by alkapwn1 » Mon Jun 14, 2010 7:37 pm

First post

Hi, I decided to take it upon myself a year ago to start my first potato cannon. I have now completed it with various add-ons and features including...

Last post

i just made my cannon yesterday too, and if you can see that the spark is going off then your problem is probably the same as mine was, your not...

6 Replies

2531 Views

Last post by ukejosh
Tue Jun 15, 2010 4:43 pm

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