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SpudFiles Potato Gun Commercial

Last post by quinn whitsitt
Posted in Combustion Cannons
Replies: 15
by PCGUY » Tue Oct 29, 2013 10:54 pm » in Combustion Cannons
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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...

Last post

thank you for creating this website is there anything i can do to help
15 Replies

651125 Views

Last post by quinn whitsitt
Fri Feb 09, 2024 2:38 pm
Sketchup Model Library

Last post by mrfoo
Replies: 152
by dewey-1 » Tue Mar 24, 2009 12:12 pm
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First post

Over the last year I have made a lot of CAD drawings for
Pneumatic Launchers.

I have imported several of them into Sketchup format.
Here is the link...

Last post

Bollocks. Dewey put them out in the hope that, and I quote

some of you can make use of these!

There's absolutely nothing wrong with using them,...
152 Replies

384541 Views

Last post by mrfoo
Mon May 20, 2024 11:17 am
Solvent Welding Course Recommended For ALL

Last post by Technician1002
Replies: 46
by sgort87 » Fri Aug 04, 2006 8:18 pm
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First post

Originally posted by DR on the Spudtech forums:

IPEX Solvent Cements ONLINE Course can be found here:

It is recommended that you download and...

Last post

Your earlier post about just scoring the surface, has me wondering if that is why OATEY makes a brush tool that scores the inside of a fitting, and...
46 Replies

200376 Views

Last post by Technician1002
Thu Dec 02, 2010 5:04 pm

Topics

ProMeterSuite

Last post by BigBang

by BigBang » Tue May 02, 2006 11:57 am

Hello All,

As some of you already know, I have developed a fairly comprehensive and ever expanding suite of calculators for use in the design of...

0 Replies

2076 Views

Last post by BigBang
Tue May 02, 2006 11:57 am
First propane combustion.

Last post by nervjiggy
Replies: 10
by nervjiggy » Fri Apr 28, 2006 11:40 pm

First post

Hello everyone. I just now signed up to this site because I wanted to make a propane cannon and I had a few questions.

-It is said when threading...

Last post

Ehh, nevermind I'm not making one. Its too complicated trying to find all these damn fittings.

10 Replies

2990 Views

Last post by nervjiggy
Sun Apr 30, 2006 9:26 pm
Copper and Brass pipe threads hate me...

Last post by beebs111
Replies: 5
by G36CKMS » Sun Apr 30, 2006 4:58 pm

First post

I bought some copper pipe today to make valve for my bb machine gun project. I cant seem to screw the pipe into its parts more than half way, i know...

Last post

you could try threading it pretty far with teflon tape, then pump it up with a bike pump, and spray some soap crap on it, and if it has leaks, redo...

5 Replies

1548 Views

Last post by beebs111
Sun Apr 30, 2006 8:17 pm
cloud chamber question

Last post by Rambo
Replies: 9
by djt » Wed Apr 26, 2006 7:13 pm

First post

whats easier to make for a BBMG, a cloud chamber or vortex chamber? i understand the concept on a vortex chamber but it seems like if you dont make...

Last post

As demon sad 6mm for bbs and there are metal ones 4.5mm wich require a lot of presure.

9 Replies

2803 Views

Last post by Rambo
Sun Apr 30, 2006 10:52 am
Steel tubing.

Last post by beebs111
Replies: 18
by Urban Ninja » Wed Apr 26, 2006 1:47 am
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I am making a sniper gun out of galvanised steel tubing. I know that some copper tubes can handle up to about 300-400 psi but what about galvanised...

Last post

im not sure what the threads are rated to, but they are probably weaker than an arc weld. if you really want to, you can use it in some galvanized...
18 Replies

5175 Views

Last post by beebs111
Sun Apr 30, 2006 8:38 am
Ball valve mechanism?

Last post by Rambo
Replies: 4
by Urban Ninja » Sun Apr 30, 2006 1:35 am

First post

I am making a steel shotgun. I am using a ball valve due to the ease of getting it, low cost and can withstand very high pressures. But i really want...

Last post

I don't remember waht I've posted but I'm pretty shure that I didn't post this.

4 Replies

1533 Views

Last post by Rambo
Sun Apr 30, 2006 4:13 am
2 questions

Last post by sgort87
Replies: 7
by FlyingTaters07 » Fri Apr 28, 2006 12:00 pm

First post

1. i just built my new gun and the cleanout cap leaks through the threads, what can i use to fix it?
2. i found the chamber to my old cannon, it is...

Last post

There shouldn't be that much leakage in a combustion around the threads to the point where you should need to tape it up.

7 Replies

2613 Views

Last post by sgort87
Sat Apr 29, 2006 5:45 pm
Strafer MK2

Last post by CS
Replies: 12
by PCGUY » Thu Feb 24, 2005 9:06 pm

First post

STRAFER MK2

Provided By - IzzyDoesIt

With all the interest lately in this BB Blaster, I took the time to make a concept drawing in the hope that...

Last post

Please look for your answers before asking them...

12 Replies

11620 Views

Last post by CS
Sat Apr 29, 2006 1:48 pm
Brass Hybrid

Last post by taz22
Replies: 8
by SpudStuff » Fri Apr 28, 2006 11:17 pm

First post

I was wondering if a small hybrid with a 3/4 inch brass chamber and a 1/4 inch brass barrel would work for high mixes. all the fittings would be...

Last post

why doesn't you just weld it and thread it?

8 Replies

2070 Views

Last post by taz22
Sat Apr 29, 2006 12:27 pm
sprinkler valve question

Last post by Benny
Replies: 6
by )DEMON( » Thu Apr 27, 2006 3:44 pm

First post

when you trigger a modded sprinkler valve dose it only close after it has let out all the air out of the chamber(if you had a pneumatic)or dose it...

Last post

cant wait to you can tho. :wink:

6 Replies

2451 Views

Last post by Benny
Sat Apr 29, 2006 6:07 am
Dumb Idea

Last post by Benny
Replies: 3
by SpudStuff » Fri Apr 28, 2006 11:39 pm

First post

I just saw this and realized what an idiot this guy is. 5mm round red LEDs are able to handle about 12v ar 50ma. a spark from a peixo as in the high...

Last post

thats fine. :D

3 Replies

1477 Views

Last post by Benny
Fri Apr 28, 2006 11:53 pm
I need a bigger pilot valve...

Last post by boilingleadbath
Replies: 7
by burgerpardis » Thu Apr 13, 2006 8:29 pm

First post

...and I don't know what to use. I currently have a blowgun and it honks like crazy. I have a big air chamber (5 feet of 4 pvc) and after I fire, I...

Last post

Excessive hose length has been known to cause problems - to my understanding, it's mostly a larger pilot volume compounded with somewhat reduced...

7 Replies

2471 Views

Last post by boilingleadbath
Fri Apr 28, 2006 11:09 pm
Pimp's Hybrid (Design)

Last post by WOW!!
Replies: 4
by CS » Wed Jul 13, 2005 1:57 pm

First post

This is what my next gun will look like its a hybrid. This is what all the colors stand for in the picture.

Blue= 4 Sch 40 Coupling
Light Blue= 4x2...

Last post

woooooppssssss dam messega to short.

NOTE FROM PIMPMANN22:
What in heavens name are you posting woooooppssssss dam messega to short. for? I would...

4 Replies

2010 Views

Last post by WOW!!
Fri Apr 28, 2006 7:53 pm
4'' pipe

Last post by burgerpardis
Replies: 15
by pipeguru777 » Sun Apr 23, 2006 2:55 pm
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dose any body know were i can get some pressrur rated pvc, biger than 2''?? besides the web. i hopeing to build BIG canon with 2 2'' piston valves. i...

Last post

where I live, not home depot like store carries anything over 2 . I went to as place called ryan herco and harrington's industrial plastics. check...
15 Replies

5385 Views

Last post by burgerpardis
Fri Apr 28, 2006 6:44 pm
Which is more powerful?

Last post by CS
Replies: 16
by Bedo » Sat Aug 27, 2005 2:16 pm
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i was wondering which fuel is more powerful?

starting eether or propane?

Last post

I have a few aersol combustions and I generally use SF like you. I proably do like .25 of a second of spray, basically just clicking it really fast....
16 Replies

7227 Views

Last post by CS
Fri Apr 28, 2006 2:20 pm
First time Spud Cannon

Last post by rna_duelers
Replies: 7
by Cygnus » Wed Apr 26, 2006 5:51 pm

First post

I am new to the realm of Spudguns/cannons. I would like to make one in the very very near future, but would like tips and advice on an easy build for...

Last post

well make a simple pneumatic,a good lenght of sch40 2 pipe will do well as a chamber aswell as a barrel if you want.but 2 ballvalves are hard to...

7 Replies

2718 Views

Last post by rna_duelers
Fri Apr 28, 2006 1:38 am
supha valve vs piston

Last post by sgort87
Replies: 10
by Mini Khan » Wed Apr 12, 2006 2:44 pm

First post

I have a piston valve and I am convinced that a supha valved from spud tech cant be any more powerful because a piston valve allows as much airflow...

Last post

Where the fuck did you learn to talk man?! And why all the topic kicks?

10 Replies

3651 Views

Last post by sgort87
Thu Apr 27, 2006 10:01 pm
8in pipe

Last post by drac
Replies: 6
by iamthewalrus » Wed Jul 20, 2005 6:33 pm

First post

ok i just got some 8in sch80 pipe for FREE and i was wondering if anyone knew a good place to get some fittings for it besides mcmaster, aka cheaper...

Last post

Did you even stop to think that 'm kicking up a topic that's almost a year old just to say wow. ?

Not to mention that he doesn't even go on these...

6 Replies

3124 Views

Last post by drac
Thu Apr 27, 2006 6:54 pm
Air Sharing - 1st post for me! :)

Last post by jrrdw
Replies: 7
by 1000psi » Thu Apr 27, 2006 7:05 am

First post

Hi there, First post on spudfiles! :)

Me and my mates (4 of us all together), all have Pneumatic spudguns and find it a problem to fill up... We...

Last post

It is condensation, all compressed air froms condensation/moisture. I have to have a water filter inbetween my air compressor and air tools or it...

7 Replies

2718 Views

Last post by jrrdw
Thu Apr 27, 2006 5:06 pm
Solvent Welding Wait time

Last post by 1000psi
Replies: 11
by Ballad_Black » Mon Apr 24, 2006 1:14 pm

First post

I always wait 24 hours for my guns to dry after being primed and glued. It's what I read and heard when I started making guns. Recently, however, I...

Last post

My local plumber says 3-4 hours, What we here do in New Zealand for spud guns is just to coat both joints in PVC cement called Rectorseal . No...

11 Replies

4178 Views

Last post by 1000psi
Thu Apr 27, 2006 7:24 am
Can't Find How To

Last post by jrrdw
Replies: 2
by jrrdw » Wed Apr 26, 2006 7:45 pm

First post

I've been searching and searching but can't seem to find any topics on how to creat a directory on my hard drive so i can set up the GGDT. My friends...

Last post

Thank you, thank you, thank you, and yes i do suffer from computer cluelessness, in a major way sometimes !!! If you ever need mechincal advice just...

2 Replies

1155 Views

Last post by jrrdw
Thu Apr 27, 2006 5:37 am
QUESTION!!!!!

Last post by WOW!!
Replies: 15
by hacker911 » Tue Apr 18, 2006 11:15 am
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Okay I'm looking for something to use as a trigger I'm wondering what I could use and where can I get it and the cost. And plus I'm trying to figure...

Last post

you that to mod your sprinkler valve, do you know how to mad a sprinkler valve :?: Iam guessing no.
15 Replies

6067 Views

Last post by WOW!!
Thu Apr 27, 2006 5:15 am
hydrogen

Last post by Rambo
Replies: 31
by notorious_oxide » Fri Sep 30, 2005 5:37 am
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i was wondering if anyone has tried using hydrogen as a fuel. i have got a mix ready to make. it is very reali highly combustible and possibly too...

Last post

Hydgogen can be very practical for auto combustion because when it burns it gives only wather(no gases like CO2 wich will suffecate your gun) =>it...
31 Replies

12133 Views

Last post by Rambo
Thu Apr 27, 2006 1:21 am
1000 FPS Pneumatic Cannon...

Last post by nicholai
Replies: 9
by D-Roc » Tue Apr 25, 2006 8:57 pm

First post

Is it possible to make a pneumatic that can hit 1000 FPS? No, I'm not going to fire it at people, animals, or private property. I'll just use it to...

Last post

you have to use helium or hydrogen. :D

or nitrogen or carbon dioxide :)

9 Replies

2712 Views

Last post by nicholai
Wed Apr 26, 2006 10:43 pm
Auto Combustion?

Last post by zvallance1
Replies: 3
by zvallance1 » Wed Apr 26, 2006 3:58 pm

First post

Well i was playing around with my mini combustion earlier (aka 2 inches of 1/2 pvc that i fill with a lighter, and spark with a piezo) and i saw that...

Last post

Wouldn't the burnt gasses interfear with the combustion of the later/next shots?

hmm
prolly right, i guess a nice big chamber fan going nonstop...

3 Replies

1798 Views

Last post by zvallance1
Wed Apr 26, 2006 8:46 pm

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