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

1913692 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

526311 Views

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

Topics

Spudzilla V 1.0

Last post by ArticWolf
Replies: 4
by ArticWolf » Thu May 03, 2007 12:08 am

First post

This is my first cannon It was thrown together for the contest, (IE: the electrical tape) but I will make it better later. the whole gun is made from...

Last post

Update on the trigger box: The trigger box is now complete, I had to move the buttons from the pistol grip to the top of box. The stun gun is powered...

4 Replies

3745 Views

Last post by ArticWolf
Mon May 14, 2007 1:01 pm
Liquid Fuel

Last post by frankrede
Replies: 26
by meatballs » Fri Apr 27, 2007 11:08 pm
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I have lately been contemplating the idea of using a volatile liquid as the fuel for my cannon. I want something that i can measure as a liquid but...

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If u could find a way to seperate just the fumes of the pvc cement then maybe its possible. Wow. How hard would that be?not hard at all/
26 Replies

9586 Views

Last post by frankrede
Sat May 12, 2007 9:07 pm
New Idea for fuel and ignitor

Last post by TwitchTheAussie
Replies: 15
by Brooner115 » Wed May 09, 2007 4:18 pm
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OK so I have a science fair project to do and I found this site called Exploscience.com its amazing and I have a great idea I am boring from them You...

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And to conclude this argument I say; *clears throat* dont screw around with bloody gases that are A)toxic and B)combustible under light. I thought...
15 Replies

5843 Views

Last post by TwitchTheAussie
Sat May 12, 2007 6:23 pm
ignition coil question

Last post by spudzinger
Replies: 9
by singularity » Tue May 08, 2007 9:31 pm

First post

alright as of right now i have a 3 to 12 kHz ne555 pulse generator, and ignition coil and a temporary power source. what i need is the cable to...

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sweet, well i can get one from my dads many dead Saabs or maybe from my Bronco II or one of my uncles dead motorcycles (for lighter duty?)

9 Replies

3373 Views

Last post by spudzinger
Fri May 11, 2007 5:42 pm
The "Endgegner" full steel spudgun

Last post by Billy Bob
Replies: 18
by Billy Bob » Sat May 05, 2007 7:49 am
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Hi,

i have just finished my new spudgun. I called it Endgegner .
Thats two spudguns fixed together.
It takes a long time to build and to varnish...

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Thanks.

A stand was very usefull. I have to think about.
I made a little video about shooting. It makes so much fun if you shoot both the spudgun...
18 Replies

7425 Views

Last post by Billy Bob
Thu May 10, 2007 3:52 am
Propane Question

Last post by spudzinger
Replies: 5
by bang_bang » Wed May 09, 2007 12:43 am

First post

Hello, Im new to the forum and am currently building my 5th spudgun I am planning on a combustion with all the bells and whistles, but I would like...

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You can find old Coleman double burner stoves for like $1 at garage sales these days. So, I'd say just buy an old propane stove and rip it apart,...

5 Replies

2409 Views

Last post by spudzinger
Wed May 09, 2007 5:53 pm
help with burntlatke style vent valve

Last post by JDP12
Replies: 4
by JDP12 » Tue May 08, 2007 12:11 pm

First post

Hey all, well after seeing sgort's blue flame III, and burntlatke's vent valve thing, I want to make one similar to that.

Here is my design..Please...

Last post

Okay thanks noname.

4 Replies

1715 Views

Last post by JDP12
Tue May 08, 2007 7:41 pm
UPCL-495CI advanced combustion launcher video.

Last post by mega_swordman
Replies: 6
by SpudBlaster15 » Tue May 08, 2007 12:23 am

First post

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

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That's really cool. A picture amy be a thousand words, but a video is worth more than a thousand pictures. But where would that leave real...

6 Replies

9219 Views

Last post by mega_swordman
Tue May 08, 2007 3:02 pm
maximum projectile weight for a combustion?

Last post by jimmy101
Replies: 8
by JDP12 » Mon May 07, 2007 8:54 am

First post

Hey all,

Well i want to build some PVC rockets like those on the burntlatke website and weight them, but on spudtech Joel says that you aren't...

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I agree with Boiling, there really isn't a safety issue with a too heavy projectile. A properly glued gun built from pressure rated pipe using...

8 Replies

5446 Views

Last post by jimmy101
Tue May 08, 2007 11:02 am
mini combustion

Last post by super spuder
Replies: 3
by super spuder » Tue May 01, 2007 10:54 am

First post

this is my mini combustion that i built in about 5 minutes. it is made from a pencil sharpener a slushy straw, and a thumb tack. it use to have a bbq...

Last post

hahahaha i dont want to try that

3 Replies

1860 Views

Last post by super spuder
Sun May 06, 2007 10:32 am
meter pressure and flexible hose pressure rating?

Last post by JDP12
Replies: 35
by JDP12 » Tue May 01, 2007 9:20 pm
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Hey all...Well I posted this in a different thread...But no one answered..So I just want to check with you guys... It just seems like such a low...

Last post

K have fun with that...
35 Replies

19899 Views

Last post by JDP12
Fri May 04, 2007 7:39 pm
mini inline

Last post by LosBuenos
Replies: 16
by LosBuenos » Sat Apr 28, 2007 2:26 pm
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is there any reason I shouldn't make a mini inline cannon? because i have never seen one on this site and i want to build one

Last post

i used Static Guard for my old, full sized cannon when i had a lantern sparker and Oust wouldn't work then. then i put a piezo in the cannon and...
16 Replies

5091 Views

Last post by LosBuenos
Fri May 04, 2007 2:51 pm
New Device - Thanks Jimmy!

Last post by VH_man
Replies: 16
by mark.f » Sat Apr 28, 2007 7:29 pm
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It was quite a while ago that Jimmy gave me a link to a CDC website showing the making of a simple peak pressure recording device employed to record...

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i have one of these tire guages and i turned it into a one-way pneumatic ram...... kinda fun.......... punched holes in stuff. ill use it as a...
16 Replies

15541 Views

Last post by VH_man
Thu May 03, 2007 9:19 pm
Bug spray???

Last post by spudzinger
Replies: 16
by JDP12 » Sun Apr 29, 2007 6:54 pm
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Well I tried my gun today....But it didn't work.....spark gap was too wide...So i'll fix that up.....

But I used bug spray as a fuel....And while it...

Last post

Yeah well alot of the fuels noobs use will eat away at the barrel, cement, etc. I found that by far the worst enemy of my first spudgun (a single...
16 Replies

6253 Views

Last post by spudzinger
Thu May 03, 2007 5:43 pm
Problems with Launch Range Calculator

Last post by JDP12
Replies: 13
by JDP12 » Thu May 03, 2007 7:44 am

First post

Hey all, well I am trying to calculate performance of my combustion using this

and in order to get a true reading..I have to know the muzzle...

Last post

I don't have a solver..The closest thing is GoalSeeker..Is that what you are talking about?

EDIT: Yea it seemed to work..Seeing as I haven't fired...

13 Replies

3892 Views

Last post by JDP12
Thu May 03, 2007 5:36 pm
Can I get a spark on demand?

Last post by GalFisk
Replies: 33
by SilentJ20 » Wed Apr 25, 2007 8:10 am
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Hello everyone. Been around SpudTech a bit but since it's closed, this is where all the knowledge is at.

I don't know too much about electrical...

Last post

The cap will have a voltage rating, I'd guess less than 400V. The actual voltage should be somewhat lower.
You can block the gap with a piece of...
33 Replies

12815 Views

Last post by GalFisk
Thu May 03, 2007 4:08 pm
Mini FULL-metal cal. 4.5 mm

Last post by paaiyan
Replies: 7
by ahabich » Tue May 01, 2007 8:42 am

First post

Hi!
I just ended my first gun, caliber is 4.5 , I used small metal barel for PCW glue, Cu pipe, brass 4.5 pipe (8 length) .
Please comment!

my...

Last post

If I remember correctly, 4.5mm is the size of a .177 cal. pellet right?
I would post a good comment, but I can't exactly SEE the gun! :?

Yea,...

7 Replies

4501 Views

Last post by paaiyan
Thu May 03, 2007 3:05 pm
Ghetto Gun V2

Last post by noname
Replies: 11
by noname » Wed May 02, 2007 7:24 pm

First post

This thing is so much fun! :D
It was my first combustion gun ever, and I'm still messing around with it. You can find the first version in the...

Last post

I might get in trouble, especially after Pimpmann told me not to.

11 Replies

3847 Views

Last post by noname
Thu May 03, 2007 8:31 am
STAG-1

Last post by spudzinger
Replies: 19
by PCGUY » Sat Feb 12, 2005 5:01 pm
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STAG 1

Provided By - Bartman007

This is my first cannon. It's a 4x12 Sch40-PW PVC chamber, 4x2 ABS reducer, short section of 2 Sch40-PW PVC, 2...

Last post

Nice job! Definately a cool looking gun, looks like you could fit in a scuba or similar tank (nobody correct me, 'cause I know it wont fit) to make...
19 Replies

18601 Views

Last post by spudzinger
Wed May 02, 2007 5:07 pm
propane and oxygen

Last post by super spuder
Replies: 37
by super spuder » Fri Apr 06, 2007 10:27 pm
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ok. i have spent like the past 2 weeks reading every thing i can about potato guns on this web site and many other web sites to. up until now all i...

Last post

and i am prepared for like 5 people to answer you are an idiot to use propane and pure oxygen but oh well. i don't care as long as one person answers...
37 Replies

14492 Views

Last post by super spuder
Wed May 02, 2007 4:50 pm
spark in steel chamber

Last post by UdderDestruction
Replies: 16
by singularity » Wed Apr 25, 2007 5:58 pm
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im working on a cannon that runs on hydrogen, but i have ran into a problem. the only pipe that could possible wistand a hydrogen blast safely is...

Last post

fuck guys just have the chamber be the ground or w/e (attach one of the wires to the chamber) and have a wire go in be away from the steel far enuf...
16 Replies

5047 Views

Last post by UdderDestruction
Tue May 01, 2007 10:34 pm
propane tank and regulator questions

Last post by meatballs
Replies: 3
by meatballs » Mon Apr 30, 2007 2:29 pm

First post

Two questions: are there smaller size propane tanks than the 14.1 oz kind used for blow torches? i looked but couldn't find any. i just think it...

Last post

thanks guys, i think i'll stick with the 14.1 oz propane tank, rather than the ~16 oz camping one, i like the shape better. i put the cannon together...

3 Replies

1692 Views

Last post by meatballs
Tue May 01, 2007 2:17 pm
Can I use either one of these stun gun circuit diagrams?

Last post by singularity
Replies: 16
by JDP12 » Mon Apr 30, 2007 4:09 pm
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Hello All,

Well I want to install stun gun ignition into my cannon....But stun guns are illegal in Wisconsin.. :(

Soo I want to just build the...

Last post

if you do decide to build your own circuit its going to b hard to get the transformers. i say either buy a stun gun or rig up an ignition coil setup
16 Replies

6690 Views

Last post by singularity
Mon Apr 30, 2007 10:24 pm
No Spark!

Last post by Abigor
Replies: 5
by souljahz_unite » Sun Apr 29, 2007 4:21 pm

First post

K so i just finished building my cannon, installed the ignition today but the glueing was all friday night. Everything for sure has cured and so...

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if you start losing your spark or it won't spark i would fiddle about with it first and then use a file to wear the metal down a bit, it works for me

5 Replies

3389 Views

Last post by Abigor
Mon Apr 30, 2007 11:46 am
Car Distributor and Spark plugs

Last post by jimmy101
Replies: 1
by heavymetalsarge » Mon Apr 30, 2007 9:32 am

First post

this is my idea, but i can't do it now (lack of funds)

i was just recently thinking while working on an engine about the Distributor that sends...

Last post

Yep, that'll work just fine.

You'll need an old style distributor from a car, a way to spin its shaft, a fairly high powered 12V supply (like a car...

1 Replies

1623 Views

Last post by jimmy101
Mon Apr 30, 2007 10:59 am

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