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

1125299 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

358275 Views

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

Topics

small propane meter?

Last post by noname
Replies: 3
by subterranean » Mon Jun 25, 2007 12:21 pm

First post

currently i am interested in building a propane meter for a small combustion i built awhile ago. The cannon's chamber is made of 1 1/2 sch 40 pvc,...

Last post

I use the gate valve from the propane torch as a regulator. I open verrrrry slowly, and let the pressure creep up about 1 psi per second. When it's...

3 Replies

1389 Views

Last post by noname
Sat Jun 30, 2007 8:00 pm
Made my fist gun, this thing F#@$ing rocks!

Last post by sjog
Replies: 13
by ChevyM14 » Fri Jun 29, 2007 9:24 am

First post

I go don makeing my fist propain gun last night and shoot 2 rounds off last night, OMG :headbang: this thing is like a real gun (I know because I own...

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Chevy-- Keep on firing that weapon man !!
License plate looked odd at that angle.
In that urban environ spuds are real safe, no ricochet.
Now...

13 Replies

4833 Views

Last post by sjog
Sat Jun 30, 2007 5:25 pm
Over - Under C:B ratio

Last post by nghiagero
Replies: 2
by nghiagero » Sat Jun 30, 2007 10:46 am

First post

hi guys,

im new to the spud cannon world though i've played around with a few mini spudders in my day. Anyway ive got an enquiery about the design...

Last post

ahhh i see, thanks for that

2 Replies

1440 Views

Last post by nghiagero
Sat Jun 30, 2007 11:00 am
camping explosion...

Last post by to_live
Replies: 18
by spudthug » Tue May 29, 2007 7:52 pm
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ok well over memorial day weekend i went camping.. friday, saturday, sunday, and monday.. and apposed as my freind not being allowed to go at the...

Last post

arguing over the internet is like competing in the special olympics, even if you win your still retarded. who cares about wether plastic is stronger...
18 Replies

6337 Views

Last post by to_live
Sat Jun 30, 2007 3:05 am
Camera Flash Ignition

Last post by jimmy101
Replies: 18
by spudbud101 » Mon Jun 25, 2007 9:08 am
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I have a camera flash circuit (pictured below) and I want to use it as an ignition source. The only problem is, how?

Can someone explain to me where...

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O h jimmy I' m sorry . I figured the wiki article had enough information on it . and T he fact that I did didn't use a period is because I was in a...
18 Replies

8406 Views

Last post by jimmy101
Fri Jun 29, 2007 1:24 pm
C:B ratio question

Last post by SnowFlox
Replies: 5
by psycix » Mon Jun 25, 2007 7:56 am

First post

Hi guys,

I just came on this forum today and I have a question about C:B ratio.

Im planning to build my first real combustion spudgun soon.
Now i...

Last post

omg... i get it.. thanks !

5 Replies

2382 Views

Last post by SnowFlox
Fri Jun 29, 2007 12:52 pm
ProSniper's Combustion Cannon

Last post by prosniper
Replies: 6
by prosniper » Tue Jun 26, 2007 12:23 pm

First post

Hi heres a spud cannon i made from PVC tubing. The parts are a 4 inch cleanout pipe 14 inches long with a 36 inch 2 inch pipe and a battery powered...

Last post

A spud is rammed down the end close the the main chamber

Makes more sense than 'alf way down the barrel as you stated in the video. Nice and basic,...

6 Replies

3256 Views

Last post by prosniper
Thu Jun 28, 2007 3:38 pm
My New Beast-With Upgrades!

Last post by SnowFlox
Replies: 30
by jjjd » Sun Dec 10, 2006 8:58 pm
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This is the second gun i have ever made, it has a 4 combustion, 3 corner, and a 2 barrel but i left it threaded so i can change it later if i want, i...

Last post

Looks like a barrel from a M1A1 Abram Tank :D nice !!

about the transformer. that doesnt work goog enough.
450 volts is way to low. for a nice...
30 Replies

15564 Views

Last post by SnowFlox
Thu Jun 28, 2007 1:05 pm
1/4" NPT hose?

Last post by ChevyM14
Replies: 2
by ChevyM14 » Thu Jun 28, 2007 11:10 am

First post

I am bulding my fist meter and I got eveything I need but I cant find a hose that has a 1/4 NPT fiting on it? anyone know if there is shch a thing...

Last post

cool, thanks for the fast reply

2 Replies

1536 Views

Last post by ChevyM14
Thu Jun 28, 2007 11:30 am
Clear PVC

Last post by lukemc
Replies: 6
by meatcarpet » Wed Jun 27, 2007 11:32 pm

First post

I bought some 4 sch.40 PVC and it is pressure rated at 110psi. Im wondering if anyone knows if that is just the standard for clear PVC and if thats...

Last post

Where did you get clear pvc? I want some of that for my cannon (when it gets built :roll: ).

just google it there are tons of sites out therer that...

6 Replies

2482 Views

Last post by lukemc
Thu Jun 28, 2007 10:48 am
Other type of ignition

Last post by Spudgun on Crack
Replies: 15
by Spudgun on Crack » Mon Jun 25, 2007 9:04 pm
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Ok i forgot to post this so hear it is, if you have a disposable camera of many of them thats good.

Now take them and open one up and keep it in...

Last post

This topic does not need to go on any longer, i just wanted to tell you guys that this it a method that will guarantee ignition.

an average photo...
15 Replies

5150 Views

Last post by Spudgun on Crack
Wed Jun 27, 2007 11:02 pm
zerostat 3 gun

Last post by jimmy101
Replies: 6
by nicksw » Mon Jun 25, 2007 9:53 pm

First post

i have never built a potato gun yet but do you guys think that this could work as an ignition system if wired into a strip. I don't know how to post...

Last post

Nisksw , cool. Could you post a picture of where / how you connected the wires?

Unfortunately, it looks like these things run $80~$120 each.

6 Replies

2726 Views

Last post by jimmy101
Wed Jun 27, 2007 12:15 pm
13mm Marble ghetto gun!

Last post by chaos
Replies: 16
by psycix » Mon Jun 25, 2007 7:45 am
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First post

Hi all,

This is my first post here and also my first gun. It is not a real spud gun, its a smaller caliber. It was a nice project to gain some...

Last post

ah fck.. sorry i think i better go to bed.

nice gun btw must be fun
16 Replies

6606 Views

Last post by chaos
Wed Jun 27, 2007 7:52 am
Another look at C:B ratios

Last post by BC Pneumatics
Replies: 13
by dongfang » Fri Jun 22, 2007 3:31 am

First post

I´m beginning to believe it is a mistake to consider the often cited 0.7:! the best C:B ratio for combustions. It´s the best in analysis all right,...

Last post

Jimmy, true or not, we do not have any comparative numbers on any of the things you mentioned, so we cannot begin to discuss them in this topic,...

13 Replies

4178 Views

Last post by BC Pneumatics
Tue Jun 26, 2007 7:14 pm
STAG-2

Last post by meatcarpet
Replies: 31
by PCGUY » Sat Feb 12, 2005 5:04 pm
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First post

STAG 2

Provided By - Bartman007

This was my first full featured combustion. Built out of ABS, (4 x12 ,) it has a chamber fan, detachable propane...

Last post

Awesome gun but one problem...ABS is not pressure rated. It could weaken and explode. I'm not being critical but that is very dangerous.

ya im...
31 Replies

23135 Views

Last post by meatcarpet
Tue Jun 26, 2007 5:42 pm
ITW ignition system

Last post by singularity
Replies: 3
by iPaintball » Mon Jun 25, 2007 10:56 pm

First post

I'm currently working on a new ignition remote system for my combustion. Eventually I will use it on a hybrid, but I can't afford to build it right...

Last post

use the key switch as a safety for the toggle switch, thats what i did on my last coil gun project

3 Replies

1440 Views

Last post by singularity
Tue Jun 26, 2007 1:48 pm
BBQ Lighters

Last post by spudbud101
Replies: 7
by spudbud101 » Mon Jun 25, 2007 8:44 pm

First post

Hey,

I went to Lowes today looking for BBQ Lighters and all the ons that they had only had one wire. How can I add a second wire?

Thanks.

Last post

Thanks for the help guys! :)

7 Replies

2510 Views

Last post by spudbud101
Mon Jun 25, 2007 11:55 pm
Cheap Combustion Gun. :)

Last post by Redcoat
Replies: 2
by Redcoat » Mon Jun 25, 2007 7:30 pm

First post

hi all,

i made this combustion gun out of scraps left over from making my bbmg.
It has absolutely no electronic ignition just a hole which you spray...

Last post

well i've fired it about 80 times now and it's never exploded or anything.And the reducer is sealed using a Hot Glue gun and so is the back chunk of...

2 Replies

1525 Views

Last post by Redcoat
Mon Jun 25, 2007 7:46 pm
Ignition problems after prior successes

Last post by jimmy101
Replies: 14
by arthasmenethil » Sun Jun 24, 2007 7:52 pm

First post

Hello guys,

This is my first time here and I hope to seek some advice from more experienced launchers.

I built my first potato cannon two weeks...

Last post

You can also use a $1 syringe and a disposable butane lighter like this . Even without the syringe, a butane lighter is a little more reliable than a...

14 Replies

4693 Views

Last post by jimmy101
Mon Jun 25, 2007 5:31 pm
Built my first ever spud gun! LOL

Last post by Flying_Salt
Replies: 14
by athoul » Sat Jun 23, 2007 9:57 am

First post

Ok, well firstly hello :)

I've been looking at spud guns for ages but never attempted to make one.
Thats why today was different :twisted:

I...

Last post

A suggestion for your sparker it use electrical tape to tape ome wires to the leads on the peizo. Then attach the other ends to screws in the...

14 Replies

4788 Views

Last post by Flying_Salt
Mon Jun 25, 2007 5:11 pm
Ignition Problems

Last post by spudbud101
Replies: 10
by spudbud101 » Mon Jun 25, 2007 6:36 am

First post

I just built my first mini, and it is the first combustion I have built. I guess it is the switch from pneumatic to combustion, but I hate not having...

Last post

i did, but it makes no sense since my circuit isn't the one modded. See my other thread.

10 Replies

2560 Views

Last post by spudbud101
Mon Jun 25, 2007 10:05 am
Destruction of Twitches Science Project

Last post by spudbud101
Replies: 1
by TwitchTheAussie » Mon Jun 25, 2007 6:00 am

First post

Right to fill you in I was making a combustion for a school science project. Now I had gotten to wrong pipe so my connector didnt slide into or onto...

Last post

Nice. Work of a pro, man.

I've only had one major cannon failure... (Maybe it was just my stupidity) but I have a piece of PVC in my thigh form it.

1 Replies

1054 Views

Last post by spudbud101
Mon Jun 25, 2007 6:26 am
Propane, Pure Oxygen, and PVC

Last post by Scotty
Replies: 33
by azurex » Fri Jun 15, 2007 11:46 pm
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So I made a potato gun out of just PVC and a regular propane torch that supposedly makes the right mixture all on it's own. Well, that one made...

Last post

4 % oxygen and 96 % oxygen will not go bang.
The air you breathe has 21% oxygen and the rest is mostly nitrogen as said before.
Do some basic math...
33 Replies

15766 Views

Last post by Scotty
Mon Jun 25, 2007 1:50 am
copper guns

Last post by TurboSuper
Replies: 13
by Spudgun on Crack » Sat Jun 23, 2007 7:59 pm

First post

Just asking if you could post links to copper potato guns because i want to try to build a powerful rifle that can drive a marble or slug through...

Last post

My pneumatic is part copper. I got like 20' of pipe for $3 at a garage sale.

Yay me.

13 Replies

3538 Views

Last post by TurboSuper
Sun Jun 24, 2007 9:29 pm
The inofficial Knight Rider

Last post by Redcoat
Replies: 9
by Billy Bob » Sat Jun 23, 2007 4:16 am

First post

I build a new combustion spudgun made of steel.
The spudgun is very powerfull it shoot with a mono batterie throug a freezer one side. That means...

Last post

i knew you came from germany with the picture of david haselhof!!!!

no offence. :lol:

9 Replies

3035 Views

Last post by Redcoat
Sun Jun 24, 2007 4:08 am

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