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

642008 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

215166 Views

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

Topics

Tyler's combustion cannon (updated 07/12/30) with video

Last post by SpudUke5
Replies: 10
by tylerthetatertosser » Fri Dec 28, 2007 1:30 am

First post

well this is my big advanced combustion. it has a 4' by 3 barrel and a 2' by 4 chamber. I painted the whole gun black and painted the handle and...

Last post

Yea i see that now (Thx) but i was just wondering cause my meter leaked a little by the threaded are and my street elbow is 1/2 and i dont have a 1/2...

10 Replies

5447 Views

Last post by SpudUke5
Thu Jan 10, 2008 4:11 pm
my first gun

Last post by Eddbot
Replies: 5
by tatershot » Wed Jan 09, 2008 5:06 pm

First post

this is my first gun & first post.simple,probably new real original but it scared the hell out of the wife,so thats something.1 chamber ,1/2...

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looks good for a first gun.I like really small guns for some reason, they are just more fun.
i don't think it's supposed to be that small

5 Replies

2865 Views

Last post by Eddbot
Thu Jan 10, 2008 12:31 am
Kartoffele KannoneV3.0- Update: New rifled barrel w. dmg pic

Last post by mopherman
Replies: 17
by SnowFlox » Thu Aug 02, 2007 10:53 am
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First post

Well im back from vacation, got bored so i wanted to shoot some patato's with my older cannon.

But it diddnt work :evil: no sparks..

I diddnt want...

Last post

could have been much worse tho. it wasnt going that fast.
That clip should be brought up at every available opportunity :D
I think we've all done a...
17 Replies

7957 Views

Last post by mopherman
Sun Jan 06, 2008 4:49 pm
Pipe nipple or Threaded nipple?

Last post by SpudUke5
Replies: 12
by SpudUke5 » Fri Jan 04, 2008 9:12 pm

First post

I know this may seem to be a wasteful topic but its concerning me.

Also, what i mean by a coupling is a nipple that is threaded but in the center...

Last post

I dont consider it a problem, i just got my point across, so there is no problem, what i think.

12 Replies

6323 Views

Last post by SpudUke5
Sat Jan 05, 2008 2:46 pm
Grill Lighter

Last post by TwitchTheAussie
Replies: 5
by TwitchTheAussie » Fri Jan 04, 2008 1:34 am

First post

OK so I bout a BBQ grill lighter. Its just I got the crappy one that requires an earth to spark. I heard someone say something about modding it. Do I...

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OK thank you :P

5 Replies

1753 Views

Last post by TwitchTheAussie
Fri Jan 04, 2008 6:16 pm
cell core pipe....

Last post by jimmy101
Replies: 15
by singularity » Thu Jan 03, 2008 4:51 pm
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yea... i managed to get some of it by accident and im pretty pissed off. i saw a 2 1/2 foot section of 3 PVC and a another right above to it that was...

Last post

Assuming you are fueling with propane+air at 1x and it is a true mortar (fairly short barrel relative to the pipe diameter), I would put the hazard...
15 Replies

4154 Views

Last post by jimmy101
Fri Jan 04, 2008 11:55 am
combustion marble gun....

Last post by ALIHISGREAT
Replies: 12
by nightshot » Thu Jan 03, 2008 7:41 am

First post

I want to build a marble rifle, but I don't have a compressor, and I want to make a combustion, so I have 2 questions... Is it safe ?? How much...

Last post

I believe experiment_u2 made a nice combustion marble gun.
Its called the famas combustion

dude thats one sick looking cannon, dead space could...

12 Replies

6852 Views

Last post by ALIHISGREAT
Fri Jan 04, 2008 7:37 am
hydrogen power

Last post by rp181
Replies: 59
by rp181 » Fri Dec 21, 2007 3:41 pm
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First post

is there any formula/way to find out the psi burning h2 and o2, ignitions point in the middle of the chamber?

i made my first spud gun, works but i...

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nope, everything was disconnected. I got a box of baking soda from the dollar store, and aton of it dissolved into the water. Couldve done te whole...
59 Replies

15345 Views

Last post by rp181
Wed Jan 02, 2008 9:16 pm
Conductive Paint

Last post by sjog
Replies: 7
by sjog » Thu Dec 20, 2007 10:56 pm

First post

Carbon paint, conductive. Has any one tried it? They advertise the silver pen. I've seen it on Burnt Lattke I think. Easy spark strip just paint....

Last post

Thru bolts like any other spark set up...

7 Replies

2749 Views

Last post by sjog
Wed Jan 02, 2008 5:56 pm
Chamber fan Circuitry

Last post by TwitchTheAussie
Replies: 4
by SpudUke5 » Mon Dec 31, 2007 3:53 pm

First post

Well after recieving my oreder from bcarms today, i started to get working more on my cannon. I first want to make sure the chamber fan is working so...

Last post

:lol: Keep trying mate. And good luck with the cannon. :wink:

4 Replies

1332 Views

Last post by TwitchTheAussie
Wed Jan 02, 2008 12:56 am
pressure washer power?

Last post by WOW!!
Replies: 4
by pizlo » Thu Dec 27, 2007 10:14 pm

First post

Looking through the sears adverts today I didn't see any decent compressors, but I did see a pressure washer on sale. They Claim it can go up to 2000...

Last post

I tired it once with a 3/4 sch160 chamber and some hydraulic fittings. It didn't work that good, meaby with some more time on it I could have got it...

4 Replies

1718 Views

Last post by WOW!!
Tue Jan 01, 2008 12:43 pm
Advice on a ""Proper" Cannon

Last post by Spuddy_McGee
Replies: 18
by Spuddy_McGee » Sat Dec 29, 2007 3:01 am
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Hi,

So i'm about to construct my second cannon (first one not very effictient) and i have:

1meter x 50mm Barrel (can get 2meters if you think more...

Last post

Rigging it up in some piping sounds good

Happy NYE or 2008 wherever your from
18 Replies

3953 Views

Last post by Spuddy_McGee
Mon Dec 31, 2007 10:16 am
Is Gunk Thrust (Engine Starter Fluid) Safe 4 Spray N Pray

Last post by jimmy101
Replies: 6
by OldSpice60 » Fri Dec 28, 2007 8:34 pm

First post

So I have a basic spray N pray I just constructed out of PVC pipe, and I am wondering if using Gunk's Thrust is safe for the piping. This aerosol is...

Last post

Lubricants shouldn't bother PVC, assuming the lubricant is basically a nonflammable grease.

PVC will handle hydrocarbons including greases,...

6 Replies

2451 Views

Last post by jimmy101
Sat Dec 29, 2007 11:06 am
Clear Combustion [new pics]

Last post by Hubb
Replies: 16
by SkweezMyCheez » Mon Dec 24, 2007 2:24 pm
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First post

So I haven't finished one of these in years but I finally decided to do so. I finished it just yesterday after well over a year and a half of...

Last post

You're still keeping the aesthetics thing going. Good job.
16 Replies

8325 Views

Last post by Hubb
Sat Dec 29, 2007 6:11 am
Advanced Ghetto Pill Bottle Combustion aka AGPBC

Last post by jrrdw
Replies: 12
by c19o » Tue Dec 25, 2007 1:35 am

First post

Today I got bored after my new marble gun wouldn't pilot on a modded blowgun, only ~1 cu. in. of air and it still wouldn't pilot! Also my mapp gas...

Last post

Your dad is mad because you didn't let him play with it, lol. How many rolls of tape do you have rapped around it? Cool beansssssss!

12 Replies

5897 Views

Last post by jrrdw
Fri Dec 28, 2007 8:06 am
Greener meaner, Now with damage pics and video!!

Last post by WOW!!
Replies: 19
by WOW!! » Sun Dec 23, 2007 9:19 pm
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First post

Here is a combustion that I made for me, my friend name it greener meaner.

Chamber
4 Sch40 27 long
339 CI

Barrel
93 long 2 sch40
C:B of...

Last post

Updated with some damage pics and a video soon to come.

EDIT-Video is up!!
19 Replies

5925 Views

Last post by WOW!!
Thu Dec 27, 2007 8:09 pm
Dual BBQ sparks

Last post by daberno123
Replies: 7
by daberno123 » Thu Dec 27, 2007 3:49 pm

First post

I was looking on the spudtech FAQs and saw the thing about dual sparks but didn't understand the diagram. I searched here but couldn't find...

Last post

ahh now i understand
thanks

7 Replies

2308 Views

Last post by daberno123
Thu Dec 27, 2007 4:07 pm
Ghetto combustion ignition

Last post by paaiyan
Replies: 38
by ALIHISGREAT » Mon Dec 24, 2007 7:30 am
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i'm currently making a ghetto combustion (well kind of) and i have one of the candle lighting things (the ones with the onboard butane and trigger)...

Last post

i might just have to try it out :wink: doe sit work well with thin wires? and is there any delay between pushing the button and the cannon firing?...
38 Replies

7191 Views

Last post by paaiyan
Thu Dec 27, 2007 3:20 pm
Ingnition question

Last post by mark.f
Replies: 18
by bigbob12345 » Thu Dec 06, 2007 8:04 pm
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Im wondering if there is any ignition system that is not a stun gun(dad wont let me have one)That provides better performance than a BBQ ignitor at a...

Last post

Just use a BBQ sparker. I have used those for my entire spudding lifetime from everything from simple combustions with one, two, and three gaps, to...
18 Replies

5542 Views

Last post by mark.f
Thu Dec 27, 2007 9:20 am
Basic combustion

Last post by WOW!!
Replies: 6
by WOW!! » Sun Dec 23, 2007 8:58 pm

First post

Here is a combustion I made for a friend.
Chamber
3'' Sch40 16'' long
116ci
Barrel
24 of 1 1/2 Sch40
C:B of 2.4:1

Uses hair spray for the...

Last post

Edited with a video

6 Replies

2988 Views

Last post by WOW!!
Sun Dec 23, 2007 11:13 pm
Will this valve work for a one button meter?

Last post by elitesniper
Replies: 8
by IlovePVC » Sat Dec 22, 2007 6:24 pm

First post

Okay, I'm planning on building a propane cannon. I think it would be really cool to have one of those 3-way valve setups, where one port connects to...

Last post

jb weld is more for metal stuff

8 Replies

2534 Views

Last post by elitesniper
Sun Dec 23, 2007 5:50 pm
Hi, I'm new, and I'm really bad with DIY..

Last post by TurboSuper
Replies: 11
by airkeane » Fri Dec 21, 2007 11:39 pm

First post

Well as I said above with the title, i'm not good with diy stuff.. but i want to try to build a spud gun anyways.. So I want to do a very basic one...

Last post

if this doober can't figure out if it is a combustion or a pnuematic if IT IS IN THE COMBUSTION SHOWCASE YOU MORON and you are too stupid to figure...

11 Replies

4255 Views

Last post by TurboSuper
Sat Dec 22, 2007 5:44 pm
cheap and efficient venting system ... maybe ...

Last post by flamerz14
Replies: 9
by nightshot » Thu Dec 20, 2007 6:09 am

First post

i will build a combustion spudgun with propane regulator and a venting system, but i was thinking if is possible to make a cheap and efficient...

Last post

OR, you could use the bike pump as the chamber. keep the handle there as a stock and then you can easily vent out the gases.Put a pin through the...

9 Replies

3085 Views

Last post by flamerz14
Fri Dec 21, 2007 10:58 pm
right ratios

Last post by boilingleadbath
Replies: 9
by kimmimaru1227 » Thu Dec 20, 2007 9:11 pm

First post

i was wonderin about my gun and a problem arose..... need the right propane to air ratio..so if anyone knows it plz tell.

Last post

Ya know, there's a fairly good chance that the 4.9% test velocities where actually higher than the 4.6% tests... latke's data had a large standard...

9 Replies

2803 Views

Last post by boilingleadbath
Fri Dec 21, 2007 4:01 pm
My launcher

Last post by ralphd
Replies: 7
by ralphd » Tue Dec 18, 2007 10:28 pm

First post

This is my first and it went through many changes. I have a 3 chamber that's about 115.5 cubic inches and my barrel is about 34.5 @ 1 1/2 dia. It...

Last post

Well, it's not separated. When I went out to buy a ignitor I couldn't find one that had a nut to secure it and I didn't think it was necessary after...

7 Replies

3159 Views

Last post by ralphd
Thu Dec 20, 2007 12:44 pm

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