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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

652854 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

385162 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

200744 Views

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

Topics

"Punisher valve"-Need help

Last post by noname
Replies: 18
by Torch » Sun Jul 02, 2006 1:14 pm
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First post

I have finished my first cannon and after messin around with it for a few hours I cant get it to work! The back of the diaphram valve just has a...

Last post

Having like a 4 chamber reducing down to a 1/4 hose, NO. You would get multiple shots though. :lol:
18 Replies

4293 Views

Last post by noname
Wed Jul 05, 2006 10:02 am
New Valves, Easier To Make And Semi Automatic

Last post by Urban Ninja
Replies: 11
by Urban Ninja » Mon Jul 03, 2006 8:32 am

First post

These are easier versions of my hammer designs. Basically a tee, 2 endcaps, piston and a spring and thats it. It will be pretty hard to completely...

Last post

yeah ive just made a more simple and cheap way, but not as much airflow so check out the post.

11 Replies

4778 Views

Last post by Urban Ninja
Wed Jul 05, 2006 6:54 am
homemade piston

Last post by )DEMON(
Replies: 2
by )DEMON( » Wed Jul 05, 2006 2:14 am

First post

This piston can be made to any size because of the pvc/material disks that can be cut how you like.The o-ring is placed between the disks but...

Last post

I really hate fiddling with o-ring grooves :x I will make this today sometime.

2 Replies

2160 Views

Last post by )DEMON(
Wed Jul 05, 2006 2:41 am
QuickFire Cannon

Last post by CS
Replies: 5
by FiveseveN » Tue Jul 04, 2006 8:47 am

First post

Another mindpoop from yours truely. I've been messing around with this idea for quite some time. Lately I figured enough stuff out to sketch the...

Last post

Sorry to tell you, but the first time I read this topic I thought how gay? . But after another view, the thought of flipping chambers would be pretty...

5 Replies

1891 Views

Last post by CS
Wed Jul 05, 2006 12:54 am
hybrid

Last post by WOW!!
Replies: 21
by x.X.Cpt.Rollhart.X.x » Mon Jul 03, 2006 8:26 am
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I plan to build a hybrid cannon soon. I want to know your opinion about this plan

thank you :)

Last post

I know that I have to be far when I shoot .... I dont need a stungun for it i juste need a long electric wire ...

I cant have a stungun because i...
21 Replies

5754 Views

Last post by WOW!!
Tue Jul 04, 2006 11:14 pm
Aerosal Pressure

Last post by Urban Ninja
Replies: 2
by Urban Ninja » Tue Jul 04, 2006 7:53 am

First post

I got thinking about aerosal cans and how i could use one for a gun apart from combustion cannons. I was lookind around and remebered that some...

Last post

The brass refill valve can be found on any REFILLABLE lighters, dont get the disposable ones as they obviously cannot be refilled. You might be abled...

2 Replies

1068 Views

Last post by Urban Ninja
Tue Jul 04, 2006 6:39 pm
Mini Combustion Problems

Last post by Vincente
Replies: 4
by Vincente » Tue Jul 04, 2006 3:31 pm

First post

My simple mini combustion isn't working properly. It consists of:

1 Film Canister as the chamber
1 Film Canister lid and pen tube (connected) as the...

Last post

OK thanks I'll try that tomorrow and get back to you. I've had enough aggravation from this mini for one day.

4 Replies

1893 Views

Last post by Vincente
Tue Jul 04, 2006 5:58 pm
Its not fair! I broke a part and forgot to buy one.

Last post by mark.f
Replies: 6
by Mihlrad » Tue Jul 04, 2006 2:34 pm

First post

Its so unfair, i cant get to a home depot today because i have no way to get to one, and i accidently cut to deep into a 3 to 2 bushing, making it...

Last post

Ding dong ditch?

Would that be, , then ?

6 Replies

2718 Views

Last post by mark.f
Tue Jul 04, 2006 4:48 pm
Cleanout cap for venting propane?

Last post by CS
Replies: 4
by Mihlrad » Tue Jul 04, 2006 9:29 am

First post

Can i use a cleanout cap for venting propane in a 4inch? I was gonna buy the ball valve until i saw that a 2 inch ball valve is like 12 dollars.......

Last post

ok thanks, and i can still put say a fan in with the cleanout setup right?
Im not sure exactly what you mean agian. I dont know if you mean to...

4 Replies

1345 Views

Last post by CS
Tue Jul 04, 2006 3:00 pm
Life of Barbecue Sparker?

Last post by carlbelcher
Replies: 4
by Johnny Blast » Tue Jul 04, 2006 11:59 am

First post

My barbecue Sparker isn't working very well after only a few days of use. There's a small spark, but not as good as when it was first installed. I...

Last post

You can get lantern sparkers at Wal-Mart in the camping section. The problem with making you own electrical ignition is that you need at least 10,000...

4 Replies

1976 Views

Last post by carlbelcher
Tue Jul 04, 2006 2:56 pm
What propane psi for this chamber / meter

Last post by carlbelcher
Replies: 2
by Mihlrad » Tue Jul 04, 2006 9:28 am

First post

What psi of propane should i use on a 4 inch long by 1/2 meter being injected into a 4 inch diameter piece of pvc pipe that is 14 long and has a U...

Last post

Check out the burnt latke propane meter how-to and fuel calc.

Meter how-to

2 Replies

954 Views

Last post by carlbelcher
Tue Jul 04, 2006 11:22 am
Whats left of a pc monitor

Last post by sgort87
Replies: 11
by jjk92 » Mon Jul 03, 2006 6:14 pm

First post

this is what happens when you put a rock in a spud and shoot a monitor a few times

Last post

Man, Boomer and I totally got you skooled!

11 Replies

3523 Views

Last post by sgort87
Tue Jul 04, 2006 2:37 am
odd question about sound

Last post by sgort87
Replies: 2
by badkitty » Mon Jul 03, 2006 11:57 pm

First post

Ok so when i first made my cannon C:18''x4''dia B:38''x2''...i used OLD SPICE deoderant spray and a rag rolled up tightly and duct taped. Fit VERY...

Last post

Not all aerosols are created equal. Different fuels combust differently. The obviously has a higher percentage of fuel and less crap that acts as a...

2 Replies

1397 Views

Last post by sgort87
Tue Jul 04, 2006 2:26 am
Gort's Super-Universal Control Box

Last post by WOW!!
Replies: 16
by sgort87 » Sun Jul 02, 2006 8:22 pm
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First post

So I finally got all the parts together and had the gumption to spend a couple hours thinking this over and assembling it. Man, is this box...

Last post

Were did ya get the remote from?
16 Replies

4625 Views

Last post by WOW!!
Fri Sep 22, 2006 1:51 pm
breech loading/hopup

Last post by noname
Replies: 2
by djt » Sun Jul 02, 2006 9:43 pm

First post

for my new marble cannon (all done except for getting the sprinkler valve) i want to make it breech loaded with a half inch barrel. the reason for...

Last post

It's easy to do a breech loader. First off, put male and female threads on your barrel near the valve. If you use threaded valves, forget this step....

2 Replies

1177 Views

Last post by noname
Mon Jul 03, 2006 11:14 pm
will this exaust system work?

Last post by noname
Replies: 5
by djt » Sat Jul 01, 2006 12:29 pm

First post

i was wondering if my exaust system for my coaxil gun will work. below are some pictures of a failed attempt at a coaxil piston gun. (dont ask about...

Last post

Use at least a 1 ball valve for all that exhaust. A blowgun just won't cut it.

5 Replies

1485 Views

Last post by noname
Mon Jul 03, 2006 11:01 pm
Ball Valve Piston Sear

Last post by Atlantis
Replies: 4
by Atlantis » Mon Jul 03, 2006 7:58 pm

First post

This is a basic piston valve which can be a chamber-sealing, barrel-sealing, or coaxial. Basically the piston has a rod attached to it, this rod...

Last post

If you put a bolt through the piston and used the bolt as the rod, the bolt could be screwed in or out to calibrate it. You could put a spring on the...

4 Replies

1638 Views

Last post by Atlantis
Mon Jul 03, 2006 9:30 pm
6" ABS

Last post by cannon freak
Replies: 6
by cannon freak » Mon Jul 03, 2006 4:35 pm

First post

Has anyone ever used 6 ABS in a propane injected combustion cannon, I know that ABS is ok for use in combustion, however, the larger diamiter pipe...

Last post

Well I guess I will not use the 6in pipe then. I am going to be using 4in ABS in a dual chanbered gun though, it should stand up fairly well, and if...

6 Replies

1647 Views

Last post by cannon freak
Mon Jul 03, 2006 8:45 pm
science project help

Last post by spud_masher2000
Replies: 16
by spud_masher2000 » Sun Jul 02, 2006 8:17 pm
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I need help for my science project and thought u people can help.im allowed to make a simple spud cannon and need a very simple idea.plz help us

Last post

and anyway i want it to be simple because my old method was small tin tube, petrol,small hole for flame,spud,terrorize neighbours.
16 Replies

4614 Views

Last post by spud_masher2000
Mon Jul 03, 2006 7:30 pm
free pvc

Last post by Mihlrad
Replies: 23
by djt » Thu Jun 08, 2006 3:21 pm
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my friends dad is an excavator so my friend knows alot about that kind of thing because he works there sometimes. He told me that the construction...

Last post

16 4 inch is nice , thats really all u need to make urself a nice chamber. And saves u 20 bucks on buying 10 feet of it, 8 feet which u dont need.
23 Replies

6292 Views

Last post by Mihlrad
Mon Jul 03, 2006 5:34 pm
HDsupply

Last post by jjk92
Replies: 11
by djt » Fri Jun 23, 2006 12:41 pm

First post

i ordered from about four days ago. business id was required so i just made up a business name and told it to send it to my adress. i checked status...

Last post

what company name did you use

11 Replies

2828 Views

Last post by jjk92
Mon Jul 03, 2006 2:38 pm
Yes or no question.

Last post by )DEMON(
Replies: 5
by )DEMON( » Mon Jul 03, 2006 8:49 am

First post

Can you use a bouncy ball as a piston?

Last post

Wow that guy has already thought up some of the stuff we came up with,it is like the long lost relic of sudfiles.

5 Replies

1434 Views

Last post by )DEMON(
Mon Jul 03, 2006 2:24 pm
Benny`s Hybrid Concept

Last post by frogy
Replies: 10
by Benny » Mon Jul 03, 2006 2:51 am

First post

Yes, Well Im Making a Hybrid. Is There Anything Wrong With My Design?
Im Using The Method Rambo Uses With His Hybrids. (you inject more fuel that can...

Last post

Save it in PNG since Paint doesn't use all the millions of colors that 24 Bitmap supports... Unless you have like 13 million custom colors...

Upload...

10 Replies

2328 Views

Last post by frogy
Mon Jul 03, 2006 2:23 pm
Pressure Ratings

Last post by boilingleadbath
Replies: 3
by MrCrowley » Sun Jul 02, 2006 7:15 pm

First post

hi i found some class 18 pipe its really thick but in New Zealand we use Class A-F as a pressure rating and class 4.5-18 is the old way of describing...

Last post

class 18 means it's pressure rated to 18 bar.
18 bar = ~280 psi

3 Replies

1461 Views

Last post by boilingleadbath
Mon Jul 03, 2006 1:04 pm
C:B ratios fixed barrel length with enlarged chamber

Last post by boilingleadbath
Replies: 4
by durckelg » Sun Jul 02, 2006 10:14 pm

First post

I have a question about C:B ratios for metered propane combustions canons. I know from reading the test results at that the optimal C:B ratio for a...

Last post

Yes, a larger chamber (to a degree) will give you more power.
The 'degree' being best illusrated by the salt-mine scenario: the gasses might take 15...

4 Replies

1220 Views

Last post by boilingleadbath
Mon Jul 03, 2006 12:57 pm

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