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

633578 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

213497 Views

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

Topics

Does size matter? -lol

Last post by jimmy101
Replies: 7
by broken_system » Wed Jan 06, 2010 6:21 am

First post

Question: Does the size, or rather the dimensions of the combustion chamber matter for a good combustion? I.e. Does it have to be a big round...

Last post

Broken_

If you are actually going for a semi then I wouldn't worry about long skinny versus short fat chamber. The semi auto should be what is...

7 Replies

2806 Views

Last post by jimmy101
Wed Jan 06, 2010 3:06 pm
BL-517 custom

Last post by jackssmirkingrevenge
Replies: 7
by jagerbond » Wed Jan 06, 2010 5:30 am

First post

Posting for customer Travis... another unique custom paint job and set up.

Here's the specs,

BL-517 custom
Sureshot Metering, Igniter, Rings,...

Last post

Er... not exactly :D

7 Replies

2378 Views

Last post by jackssmirkingrevenge
Wed Jan 06, 2010 2:45 pm
oversized chamber?

Last post by mikespahn
Replies: 14
by mikespahn » Mon Dec 21, 2009 5:52 pm

First post

i understand why to small of a chamber is a bad thing but what about too big of a chamber. i know bigger would mean less efficient because the potato...

Last post

to elaborate a little more on my design if you would like to hear...
I'm planning on mapp gas metering actuated by a pump action grip, chamber fan...

14 Replies

7218 Views

Last post by mikespahn
Wed Jan 06, 2010 2:39 pm
My mini 1.73in 'Golf Ball' launcher

Last post by Joshatdot
Replies: 5
by Joshatdot » Thu Dec 31, 2009 7:43 am

First post

I was talking to a co-worker of mine about my spud canon, talking about this site & what all canons have been made. He asked me if anyone designed...

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I widened the gap just slightly, about 4~5mm gap now. I think I've solved my spark issues.

I got some fiber washers on the inside of the chamber,...

5 Replies

9489 Views

Last post by Joshatdot
Wed Jan 06, 2010 12:17 am
spudgun project

Last post by jackssmirkingrevenge
Replies: 22
by spudfiles_user » Sun Jan 03, 2010 2:54 pm
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First post

Hello everyone! I am a new user!
Can you tell me please where can I get the draft a spudgun medium? with related measures?
Excuse my English, I'm...

Last post

Fine fine, we'll take it to PM.
22 Replies

4652 Views

Last post by jackssmirkingrevenge
Mon Jan 04, 2010 1:59 pm
Question on propane use....

Last post by jackssmirkingrevenge
Replies: 11
by Applegonebad » Sat Dec 19, 2009 4:56 pm

First post

Allright so I live in wisconsin and right now its about 30 degrese. I was just outside dryfireing my gun with a few different propellents so i could...

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so what's the power difference between hair spray/ starting fluid/ propane? are there any other fuels you could use?

Have a look at the

11 Replies

3896 Views

Last post by jackssmirkingrevenge
Sat Jan 02, 2010 3:03 am
Propellant in a spray can canidate: Medi-First 'Cold Spray'

Last post by CS
Replies: 6
by Joshatdot » Thu Dec 31, 2009 8:46 am

First post

I am tempted to find this localy, or order one from Amazon just to see how it compares to Starting Fluid w/hair spray nozzle.

Topical skin...

Last post

On the second page: Percent volatile by weight : 100%

I'm guessing they are talking about vaporizing, not explosive? Correct me if I am wrong on...

6 Replies

5459 Views

Last post by CS
Fri Jan 01, 2010 6:10 am
Mk 2 Rotary Barrel Semi-Automatic Combustion

Last post by Captain Random
Replies: 32
by critical_al » Sun Aug 24, 2008 4:03 pm
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Hi,
It has been a while since I last posted on here but finally ready with our latest pyrotechnic creation. This model was designed following the...

Last post

No post whoring for spudbux allowed!

Edited by jrrdw.
32 Replies

191566 Views

Last post by Captain Random
Mon Dec 28, 2009 2:32 pm
spud gun

Last post by psycix
Replies: 8
by cangying » Sun Dec 27, 2009 11:11 am

First post

spud gun

Last post

Ooh, that symbol. I thought you meant the one painted on the gun...
In that case it is indeed the same.

8 Replies

5564 Views

Last post by psycix
Mon Dec 28, 2009 2:00 pm
Dual Ignition problems

Last post by theBOOM
Replies: 30
by ZRTMWA » Tue Dec 22, 2009 3:54 pm
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I drilled four screws into my chamber 2 sets of two. The sets are about 6 inches apart and the screws are about 2mm apart inside the chamber. Then I...

Last post

Moonbogg the problem is with a stungun you can't get really anything more than a 3x or 4x mix... so you would have to go something bigger that isnt...
30 Replies

12629 Views

Last post by theBOOM
Mon Dec 28, 2009 5:41 am
which is more powerful?

Last post by Daltonultra
Replies: 7
by coujin » Sat Dec 26, 2009 5:17 pm

First post

i was just wondering which would be more powerful if built the same size, a inline or over and under?

and they will be powered by propane.

Last post

If you mean OVERALL length, as in the length of the entire gun, then obviously an inline would have a massive disadvantage.
If you mean COMBINED...

7 Replies

2505 Views

Last post by Daltonultra
Sat Dec 26, 2009 5:51 pm
Davy Lamps

Last post by Insomniac
Replies: 13
by rcman50166 » Wed Dec 23, 2009 7:59 pm

First post

Hey you guys, reading Popular Science I saw something somewhat interesting. If you guys have ever wanted to shoot something flame sensitive from a...

Last post

I think he wants to use it to assist in firing projectiles which can be damaged by the heat and flame of a combustion cannon, so tennis balls and the...

13 Replies

4342 Views

Last post by Insomniac
Sat Dec 26, 2009 12:36 am
Is bigger better

Last post by artillerycreations
Replies: 6
by artillerycreations » Wed Dec 23, 2009 3:29 pm

First post

I am wanting to build a steel combustion cannon. My grandpa is in the well drilling business so i have access to old useless (to them that is :wink:...

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Thanks. I have been snooping for long enough. You guys have(unknowingly) helped me build a few pvc cannons but i feel its time to move to the big...

6 Replies

1913 Views

Last post by artillerycreations
Wed Dec 23, 2009 3:53 pm
UPCL-505CI V2.0

Last post by JDP12
Replies: 9
by SpudBlaster15 » Fri Dec 18, 2009 2:44 am

First post

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

Last post

that's very impressive SB- especially for an ordinary potato and nothing too sophisticated

9 Replies

4763 Views

Last post by JDP12
Fri Dec 18, 2009 7:46 pm
Meter Pipe

Last post by jimmy101
Replies: 10
by Joshatdot » Sat Dec 12, 2009 3:04 am

First post

I've decided to convert my Spray-n-Pray to measured propane. I've read up abit over at Burnt Latke. Once I mod my chamber it should be about 230...

Last post

I wouldn't worry too much about the foam burning. If the gun is fueled properly and works like it should, the gases in the chamber are only above...

10 Replies

3838 Views

Last post by jimmy101
Fri Dec 18, 2009 1:36 pm
Small diameter barrels in combustion launches

Last post by McCoytheGreater
Replies: 7
by queensland spudder » Thu Nov 19, 2009 2:28 am

First post

Geeze being a while since i have been on here :roll:. Anyway here is what im trying to make. I trying to make a a spud gun that is use ammo that is...

Last post

You might also want to consider a combustion with a large barrel and use a sabot for a small diameter projectile.

I've had great success with dart...

7 Replies

3928 Views

Last post by McCoytheGreater
Thu Dec 17, 2009 1:27 am
BL-520T

Last post by jrrdw
Replies: 11
by jagerbond » Sun Dec 13, 2009 5:36 pm

First post

Tactical Series
BL-520T
Designed exclusively for our UHMW compound rounds .

450 FPS
1000+ft/lbs. energy
1.2-1 C-B ratio
Broom stick fore grip

New...

Last post

It's just that $600 is well beyond the scope of what the majority of spudders are willing to pay for a single launcher. The market for $600 spud guns...

11 Replies

4366 Views

Last post by jrrdw
Mon Dec 14, 2009 7:24 am
Hello all / MySpud

Last post by Boom_erang
Replies: 32
by Torpedo Monkey » Sat Oct 31, 2009 1:10 pm
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First of all, hello to everyone from Austria (Europe, no Kangaroos :P )
Well I´m...no, if you you want to know something about me, just ask.
Also,...

Last post

Very cool cannon! Can't wait to see more pics and.... vids!
32 Replies

12058 Views

Last post by Boom_erang
Mon Dec 07, 2009 2:15 pm
Question on consistency

Last post by broken_system
Replies: 2
by broken_system » Mon Dec 07, 2009 9:16 am

First post

hey guys, just a question about venting the combustion chamber. Lets just say that I had a small chamber before the combustion chamber, this chamber...

Last post

Sweet ty kenbo!

2 Replies

1402 Views

Last post by broken_system
Mon Dec 07, 2009 11:14 am
Micro Jet torches

Last post by qwerty
Replies: 16
by broken_system » Sat Dec 05, 2009 5:24 am
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Anyone know where I could buy the refills (the little butane lighter part) in bulk? Tried googling it but to no success :(

Thanks for the help!!

Last post

That's cool i might try something like that but put it in a pistol grip.
16 Replies

6270 Views

Last post by qwerty
Sun Dec 06, 2009 10:24 am
Bernzomatic Propylene

Last post by SpudBlaster15
Replies: 6
by SpudBlaster15 » Sat Nov 28, 2009 12:45 am

First post

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

Last post

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

6 Replies

4189 Views

Last post by SpudBlaster15
Thu Dec 03, 2009 3:47 am
Sealing off the combustion chamber mid combustion...?

Last post by Lockednloaded
Replies: 2
by broken_system » Wed Dec 02, 2009 12:22 pm

First post

I have posted a few topics on here asking various things about combustion cannons. There is one more thing that I have thought about that I wanted to...

Last post

well for the door type disk you could use a butterfly valve, but i don't know how you could mod it do so. I'm no expert, so like kenbo said wait for...

2 Replies

1662 Views

Last post by Lockednloaded
Wed Dec 02, 2009 5:54 pm
Gasoline for combustion fuel?

Last post by jackssmirkingrevenge
Replies: 25
by kjjohn » Thu Nov 26, 2009 1:38 am
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How powerful would gasoline be if used as a combustion cannon fuel? Also, how would you vaporize it prior to injection into the chamber? Could it...

Last post

PS: In the Iowa disaster, the powder in question was something called D-846.

According to this book while BP is not the main propellant it is still...
25 Replies

8021 Views

Last post by jackssmirkingrevenge
Mon Nov 30, 2009 11:38 pm
Propane tanks

Last post by ryman94
Replies: 2
by ryman94 » Mon Nov 30, 2009 6:46 am

First post

Hey everyone
ive been looking around this site and it looks like everyone is useing these things to fill up there combustion type launchers. in the...

Last post

Yeh i was thinking that the little bottles of mapp gas were abit pricy for what they are, there around 22 american dollars in america and even more...

2 Replies

1586 Views

Last post by ryman94
Mon Nov 30, 2009 7:06 am
Cleaning my cannon up...

Last post by tauschung
Replies: 9
by tauschung » Tue Nov 24, 2009 10:06 am

First post

I finished my first cannon, and it looks kind of ghetto. I wanted to see if you guys had any suggestions for improvements.

Currently:
Inline spray...

Last post

If you're gonna make a handle, make it so everything can fit in there, and hide all the electrodes under the tee/saddle. Also instead of strapping it...

9 Replies

4021 Views

Last post by tauschung
Fri Nov 27, 2009 3:35 pm

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