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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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

755671 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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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

238168 Views

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

Topics

semi-auto combustion idea compressed

Last post by F.E.A.R._Sniper
Replies: 13
by F.E.A.R._Sniper » Sat Sep 06, 2008 12:22 pm

First post

ok so i was just laying around thinking and i think i figured out how to make a semi-auto combustion.

to really understand this it would probably be...

Last post

I didn't mean specifically a paintball board. just something similar.

iim still working out some kinks before I prototype it

13 Replies

3900 Views

Last post by F.E.A.R._Sniper
Thu Sep 11, 2008 6:43 pm
H2O2

Last post by Necrosis
Replies: 49
by magnum9987 » Thu Sep 04, 2008 7:23 pm
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I was thinking of using H2O2 (hydrogen peroxide for you dumbasses out there :D ). But, After looking at my disinfectant bottle of H2O2, and it is...

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Isn't hydrogen peroxide used to bleach your hair and stuff?
49 Replies

15428 Views

Last post by Necrosis
Thu Sep 11, 2008 4:17 am
Regulator choking me

Last post by man_o_brass
Replies: 7
by polk county » Sun Aug 31, 2008 1:06 pm

First post

I have this cheap husky air pressure regulator on my propane meter. The problem with this thing is that it is of the self relieving design. It...

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Behold, I return! ...for now anyway. There's been some awesome stuff happening since I've been gone!

7 Replies

3158 Views

Last post by man_o_brass
Mon Sep 08, 2008 2:29 pm
Remote metering + displacement

Last post by ramses
Replies: 6
by polk county » Thu Sep 04, 2008 3:39 pm

First post

I want to mount a conventional propane metering device away from the gun and on a plywood box. The propane will be fed tfrom the box to the chamber...

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ahh... sorry. I forgot about diffusion. :oops:

6 Replies

2690 Views

Last post by ramses
Mon Sep 08, 2008 2:04 pm
New to the forums - my 2nd cannon

Last post by Boom_erang
Replies: 14
by Boom_erang » Fri Apr 25, 2008 2:44 pm

First post

Hello spudders! I'm only about a month into this whole thing, but I've built my 2nd cannon and I'm having a blast, so to speak!

This is PVC, with a...

Last post

Thanks, guys! This gun performs pretty well for what it is... I've been reading up in my US Plastics catalog and McMaster web site on the fittings,...

14 Replies

4813 Views

Last post by Boom_erang
Sat Sep 06, 2008 8:44 pm
disregard

Last post by jrrdw
Replies: 7
by F.E.A.R._Sniper » Fri Sep 05, 2008 9:40 pm

First post

disregard

Last post

The auther ask to disregard.

To much missing information to let this thread continue.

7 Replies

2358 Views

Last post by jrrdw
Sat Sep 06, 2008 6:50 pm
Rebel Yell 2.0: Contract Killer

Last post by LCTChamp
Replies: 17
by biggsauce » Tue Aug 26, 2008 6:01 pm
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Well its time for another cannon. This really isn't different from Rebel Yell, its a little bigger, and has a few nicer details. My forman was pretty...

Last post

very nice and clean cannon. how do you get multiple sparks with a grill igniter?
17 Replies

8602 Views

Last post by LCTChamp
Sat Sep 06, 2008 10:36 am
fuels help

Last post by kaa-boom
Replies: 14
by redalpha11 » Fri Aug 01, 2008 10:32 pm

First post

i would like to know what youi think the best fuel is for a basic cannon.

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the best ive used is right guard sport, but i got a can that was made in 2005 so it still works...for me its good enough cause it still goes far,...

14 Replies

4327 Views

Last post by kaa-boom
Fri Sep 05, 2008 7:00 pm
PPC-90 General Purpose Cannon

Last post by LCTChamp
Replies: 24
by Binder17 » Thu Jul 05, 2007 12:11 pm
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A basic design. Shoots potatos and candles. has a 18 X 3 chamber and a five foot 1 1/2 detachable barrel. Uses metered propane or MAPP Gas. I screwed...

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do you have to have a regulator to make a propane meter? Your cannon is clean and has and awesome paint job. i love it.
24 Replies

11804 Views

Last post by LCTChamp
Wed Sep 03, 2008 8:13 pm
"Rebel Yell" Update 2: Destruction

Last post by jonesy427
Replies: 39
by biggsauce » Sun May 04, 2008 12:37 am
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Well heres my first advanced combustion. I had the chamber and tanks since last summer and never got around to really starting it. Since me and the...

Last post

very nice! i cant wait to try n build one. jsut dont know how to. more reading to be done.
very nice dints n holes in the work van! lol
39 Replies

15698 Views

Last post by jonesy427
Wed Sep 03, 2008 6:47 am
The Plinker: combustion marble 3/4" bore with video

Last post by mega_swordman
Replies: 8
by Boom_erang » Sun May 18, 2008 12:07 pm

First post

A couple of weeks ago I was visiting my brother in the DC area and we decided to hit Home Depot and put something together. Just a small gun but it...

Last post

uhm... what is -B ?

That is his signature , shortened so it only has the first letter of his name.

-mega_swordman
or
-M

8 Replies

3876 Views

Last post by mega_swordman
Wed Sep 03, 2008 12:39 am
Grenade Launcher Too Small?

Last post by jackssmirkingrevenge
Replies: 8
by Phil23 » Sun Aug 31, 2008 3:20 pm

First post

Hey, I'm new here at SpudFiles. I built my first cannon when I was playing airsoft and saw this cool Bazooka . That's sparked me (no pun indented) to...

Last post

A longer barrel helps with accuracy and velocity but most spudgun' barrels are a trade between efficiency and portability/comfortability (a word?)....

8 Replies

2789 Views

Last post by jackssmirkingrevenge
Mon Sep 01, 2008 11:24 pm
New to this, just made two spud guns, holes in .5" plyw

Last post by frankrede
Replies: 5
by kiwi of nitro » Mon Sep 01, 2008 2:05 am

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I race nitro RC truggies, and one day I left a few head shims out of my engine after a rebuild and it caused detonation to occur in the combustion...

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nice cannons but that pipe doesn't look pressure rated, for your next i would use pressure rated because 1. its pressure rated so safer (duh!) 2. it...

5 Replies

1768 Views

Last post by frankrede
Mon Sep 01, 2008 12:39 pm
Tennis Ball Cannon

Last post by Demon
Replies: 17
by singularity » Wed May 28, 2008 6:07 pm
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im back!!! and ive brought a few slight innovations with me (along with some major ones i will be releasing shortly) i took a vacation form spudfiles...

Last post

I am too much jealous, i will never be able to do so clean assembly.

i talk when you put fittings together, i always put a little bit of my grey...
17 Replies

10425 Views

Last post by Demon
Fri Aug 29, 2008 4:49 pm
Quadzilla

Last post by popomon
Replies: 35
by PCGUY » Sat Feb 12, 2005 8:43 pm
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QUADZILLA

Provided by Boogieman -

This cannon is called Quadzilla because comes from the fact that there are 4 sparks inside the chamber that...

Last post

Real nice Paint job, as Fred said I love the flames also :lol:
Nice stun gun, screw placement.
Cool Cam fittings :D

hey, can you tell me...
35 Replies

26392 Views

Last post by popomon
Fri Aug 29, 2008 3:53 pm
2 Blasts from the past: Dont mess with texas and the Carrot

Last post by Dussalater
Replies: 12
by biggsauce » Mon Apr 21, 2008 7:04 pm

First post

Here are two cannons that I had built years ago, when I had more ambition than sense, and less paitience than money. (neither amounted to much)...

Last post

biggsauce what part of louisiana r u from?

12 Replies

6030 Views

Last post by Dussalater
Thu Aug 28, 2008 7:24 pm
First Combustion Rifle (Some Advice Needed)

Last post by popomon
Replies: 15
by popomon » Tue Aug 26, 2008 8:30 pm
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Hey, im new to spud guns (Only 12 here people) and i thougt of a spud gun idea.
I'm going to make a rifle styled gun with a 3ft. barrel and a 8in....

Last post

lol thats awesome. (the poem) with your cannon dude, i would instead of having what i assume is the chamber as your stock, make it over under...
15 Replies

5282 Views

Last post by popomon
Thu Aug 28, 2008 11:28 am
C19O's Ghetto 20 oz. bottle cap shooter ( First Combustion )

Last post by The Engineer
Replies: 5
by c19o » Sun Feb 25, 2007 2:05 am

First post

I was bored tonight so i made my first combustion. It's made of a 1 liter bottle, and a cardboard tube. The thing sticking out the side is a bic pen...

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haha nice job, go ghetto! but make sure you don't put too much fuel in it. bottles aren't exactly meant for explosive pressure. You might want to...

5 Replies

3807 Views

Last post by The Engineer
Tue Aug 26, 2008 5:58 pm
Vacuum Breaker

Last post by spuzi14
Replies: 11
by spuzi14 » Sun Aug 17, 2008 3:09 pm

First post

My summer job at a local school led to the replacement of a vacuum breaker:

That piece of metal just so happens to be a darn close shape of a...

Last post

Well I don't know much about pulse jets but I mean I was concerned about it melting in on itself. I didn't think or I didn't know they could explode.

11 Replies

5474 Views

Last post by spuzi14
Mon Aug 25, 2008 2:21 pm
My octagonal barrel wooden combustion

Last post by trollhameran
Replies: 21
by marpat » Fri Aug 22, 2008 8:09 pm
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so i read about eds wooden spuddie recently and so today when i walked out i saw a table saw a 1 by 12 and some 2 by 4s

i was compelled to make...

Last post

Just tell the nurse that you were riding your bike home, when suddenly your plywood spontaneously combusted :roll: :D
21 Replies

7548 Views

Last post by trollhameran
Sun Aug 24, 2008 3:16 pm
Flyback help

Last post by jimmy101
Replies: 15
by enigmacipher » Thu Aug 21, 2008 4:54 pm
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Alright... I am entirely new to spudfiles, (this is my first post)
and to building combustions.

I want to start a spray & pray cannon, but I refuse...

Last post

After you spend several hours trying to get the needed parts for the flyback circuit, then some time sorting out what all the pins are on the...
15 Replies

3277 Views

Last post by jimmy101
Fri Aug 22, 2008 12:50 pm
Ball Valve Venting Question

Last post by Pibster
Replies: 7
by Pibster » Fri Aug 22, 2008 7:24 am

First post

I bought a 2 PVC ball valve to vent my chamber. It is very difficult to open and close. I tryed to lubricate with oil and it did not help. Are ball...

Last post

I wanted plastic to help keep the weight down. I guess a smaller 1 metal valve would weigh the same as a 2 PVC.

7 Replies

2614 Views

Last post by Pibster
Fri Aug 22, 2008 11:14 am
Damage/distance performance for mid-sized spud guns

Last post by Radiation

by Radiation » Thu Aug 21, 2008 11:29 am

Just curious to see what people here are able to get performance wise from their mid-sized or Mini combustion spudguns? I'm wondering what kind of...

0 Replies

1755 Views

Last post by Radiation
Thu Aug 21, 2008 11:29 am
safe for propane?

Last post by SEAKING9006
Replies: 7
by FishBoy » Tue Aug 19, 2008 9:33 pm

First post

hey, I am considering setting up my spray 'n pray for propane; my question is, will it be safe. All the parts are pressure rated but the ignition...

Last post

Unfortunately, I don't trust the accuracy of Husky gauges and regulators anymore. The gauges seem to be off by as much as 10psi or more from the...

7 Replies

2988 Views

Last post by SEAKING9006
Thu Aug 21, 2008 11:26 am
First time potato launcher!

Last post by psycix
Replies: 12
by Kennymester » Sun Aug 17, 2008 10:53 pm

First post

This is my first time constructing a potato cannon. Originally I was having a lot of trouble getting the right fuel mixture, but after adding a fan...

Last post

Okay, so now we know the story behind it all.
Good that you turned the propane tank around. I suppose it looks better now.
Any pic of that?

12 Replies

6574 Views

Last post by psycix
Wed Aug 20, 2008 7:59 am

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