Pneumatic Cannons

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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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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

1669573 Views

Last post by quinn whitsitt
Fri Feb 09, 2024 2:38 pm
Directional Control Valves (3way valves and stuff like that)

Last post by jpalf1
Replies: 86
by POLAND_SPUD » Sun Mar 07, 2010 1:12 am
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Directional Control Valves, commonly refereed to as 3,4,5 etc. valves or spool/poppet valves etc., can be very useful for spuders.
They can be used...

Last post

very,useful info for a beginner such as myself.The links are great as well.Thankyou.(you won't believe this but as i was reading,my fridge comp...
86 Replies

755136 Views

Last post by jpalf1
Sat Apr 13, 2013 10:53 am
Sprinkler Valve Troubleshooting Guide

Last post by quinn whitsitt
Replies: 64
by noname » Sat Jun 16, 2007 12:15 am
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Sprinkler Valve Troubleshooting

This is a guide to sprinkler valve problems. Before creating a new topic to ask questions on why your valve isn't...

Last post

great job everyone
64 Replies

982745 Views

Last post by quinn whitsitt
Thu Feb 22, 2024 2:18 pm
Piston Valves Explained Visually

Last post by pavina
Replies: 178
by clide » Mon May 14, 2007 11:21 pm
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First post

I had this posted on Spudtech, but I am reposting it here to hopefully help some people out and allow for discussions/updates.

Well I made this...

Last post

Thanks for sharing this! It might also be useful to mention how friction and maintenance can affect performance over time. Looking forward to more...
178 Replies

1165781 Views

Last post by pavina
Fri Sep 27, 2024 4:05 am
"How Much CO2 do I need?"

Last post by choke
Replies: 32
by BC Pneumatics » Sun Apr 01, 2007 9:52 pm
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For all those people out there looking for a rough idea of how much CO2 they will need for a chamber of any given size-
Just multiply the volume of...

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Great piece of software :) I've been kicking numbers round my head for a while now, and wondered if someone here could confirm. I'm filling a 1.5 dia...
32 Replies

466624 Views

Last post by choke
Thu Jul 04, 2013 2:38 pm
Valve Cutaways

Last post by jhalek90
Replies: 8
by PCGUY » Sat Feb 26, 2005 9:10 pm

First post

VALVE CUTAWAY

Provided By - Longshot

These are some pictures of some of the most popular valves used on spud cannons. Only difference is, these...

Last post

Can someone fix the picture links??

8 Replies

131553 Views

Last post by jhalek90
Wed Oct 07, 2009 2:13 pm

Topics

Pneumatic repeater prototype.

Last post by warhead052
Replies: 14
by warhead052 » Thu Jul 07, 2011 4:57 pm

First post

Title says all. I used a regular pop off valve set at 125psi, epoxy, 1/8 nipple, and 8 of 3/4 pvc pipe with an end cap. This was also my first time...

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Just barely. It slips ever time I try and turn it though.

14 Replies

5081 Views

Last post by warhead052
Sat Jul 09, 2011 3:38 pm
Leaking :(

Last post by Alster370
Replies: 3
by Alster370 » Sat Jul 09, 2011 2:54 pm

First post

My blowgun is sadly leaking at a pathetic 50psi, which is surprising as I assumed it would be able to withstand at least 200. It did say max 30psi on...

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The blowgun is yes. It has a shrader valve epoxied into the input thread. ( Its cured fully and isn't leaking) I also didn't push it in much , so to...

3 Replies

1958 Views

Last post by Alster370
Sat Jul 09, 2011 3:03 pm
QCTBDC: Something Completely Different

Last post by spoeft
Replies: 16
by sgort87 » Sun Jan 21, 2007 12:24 am
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I have never made a burst disc cannon (hybrids don't count) and I decided why stop at a plain burst disc gun when I can make a challenge of it?

I...

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hehe ye i will try that then :p

I just never logged in since the beginning but i was still checking
the site every few monts , i should have posted...
16 Replies

7017 Views

Last post by spoeft
Sat Jul 09, 2011 2:45 pm
HELP IN MAKING A QEV!

Last post by destronx
Replies: 10
by destronx » Fri Jul 08, 2011 5:40 pm

First post

hello
i am making an pneumatic rifle with a qev valve but i need it to be 1/2 at most is it posible to make it that small??

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Have you thought about making one? I have made my and it works very well
Here is the video
yes i had tried to do one but it was a failure i also saw...

10 Replies

4000 Views

Last post by destronx
Sat Jul 09, 2011 9:15 am
Air Blow Gun?

Last post by Major Collins
Replies: 7
by Rubzzen » Wed Jul 06, 2011 3:50 pm

First post

I'm just here to ask you guys about a air blow gun... I need a relatively small one and i think this one ( looks good. But i read somewhere on this...

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MajorCollins:
I don't understand this sentence though my find some are one piece full brass which are excellent

Sorry my first language is not...

7 Replies

3764 Views

Last post by Major Collins
Sat Jul 09, 2011 12:36 am
need help choosing qev

Last post by Gun Freak
Replies: 1
by urgle the danish cow » Fri Jul 08, 2011 7:01 pm

First post

as title states.
i want a clean 1/4 qev for new project. i like the cleaness of the first two ones but ive never seen it used. which should i get...

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I've seen the first two types being used but I'm not sure how they compare with the power of the European style qev (third one).

1 Replies

1784 Views

Last post by Gun Freak
Fri Jul 08, 2011 9:07 pm
Coolest stuff you have destroyed with your cannons?

Last post by jsefcik
Replies: 18
by High-PSI » Fri Jul 01, 2011 5:04 pm
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Hey Guys,

I just got back from a test session with my metal 2 inch cannon. We shot various things, but the coolest shot was a 2 inch 178 gram...

Last post

@Gun Freak Air powered I know there is many forums on that topic but don't want to put it in the wrong area
18 Replies

8460 Views

Last post by jsefcik
Fri Jul 08, 2011 9:02 pm
The Sneezer

Last post by jackssmirkingrevenge
Replies: 7
by EnigmaMax » Fri Jul 08, 2011 4:28 pm

First post

Before I begin, this cannon was inspired by this . Seeing as it is a very rare antique,
I thought instead of hunting for one, it would be more...

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Wow. I'm amazed it works at all :D

You should try a proper pneumatic, the darts will go much deeper even with a basic valve and relatively low...

7 Replies

3709 Views

Last post by jackssmirkingrevenge
Fri Jul 08, 2011 8:45 pm
Repeater build log.

Last post by warhead052
Replies: 3
by warhead052 » Thu Jul 07, 2011 1:12 pm

First post

I came across this today, (8th post down), and I decided to build my own. It has a 7 long chamber, 3/4 ID. And uses a regular safety pop off valve. I...

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I will try. Just give me a few, and hopefully photobucket will work.

Edit, took pictures of pretty much my entire collection of cannons. I hope you...

3 Replies

801 Views

Last post by warhead052
Thu Jul 07, 2011 3:55 pm
Maximizing Decibels, and a Few Other Questions...

Last post by ramses
Replies: 12
by PAV » Wed Jul 06, 2011 3:11 pm

First post

Hi. I apologize in advance for the length, but I want to make sure I provide enough information to answer the questions.

We are in the final...

Last post

It would be interesting to measure cannon reports, don't think anyone has tried it before.
Actually, I have - and it's a little more complex than...

12 Replies

2970 Views

Last post by ramses
Thu Jul 07, 2011 12:13 pm
hose barbs help

Last post by Major Collins
Replies: 3
by Major Collins » Mon Jul 04, 2011 5:00 am

First post

is there any way to get a hose barb with a female thread ?
so it would be like a hose barb on a cap.

Last post

hrmmm they actually exist , i really thought they wouldn't .Anywho thankyou

3 Replies

1183 Views

Last post by Major Collins
Mon Jul 04, 2011 8:55 am
Qev launcher, with pump, caliber 4.5

Last post by warhead052
Replies: 3
by s0ka » Sat Jul 02, 2011 8:39 am

First post

Hi all, i am not new but i forgot my password and my email adress was blocked.
I choose aproximatively the same name that i had before, im french,...

Last post

When you add the stock, don't forget to stain it! It looks good though! Nice job.

3 Replies

5419 Views

Last post by warhead052
Sat Jul 02, 2011 11:41 am
piston valve specs

Last post by Crna Legija
Replies: 1
by Major Collins » Sat Jul 02, 2011 3:44 am

First post

what are pros and cons of having , o ringed grooves and a check valve added to you piston of a piston valve?

Last post

what are pros and cons of having , o ringed grooves and a check valve added to you piston of a piston valve?

pros: more powerful and efficient...

1 Replies

1347 Views

Last post by Crna Legija
Sat Jul 02, 2011 3:57 am
spring for a 400psi PCP?

Last post by ilovefire
Replies: 4
by ilovefire » Fri Jul 01, 2011 7:43 pm

First post

i am currently attempting to make a low powered PCP air gun and am stuck on what spring i need and where i can get it

the hammer valve seat diameter...

Last post

JSR

thanks, altho i must admit to not reading it the whole way through because must of the instructions were for people with lathes, talking about...

4 Replies

2583 Views

Last post by ilovefire
Sat Jul 02, 2011 3:07 am
My third airgun.

Last post by Crna Legija
Replies: 12
by Labtecpower » Sun Feb 21, 2010 8:01 am

First post

This is the third airgun I have made.
I started three years ago with a simple soda bottle with a ball valve.
The second one I made had a PVC...

Last post

ZOMG KITTEH !!!!!!!!!!!!!!!!!

12 Replies

8599 Views

Last post by Crna Legija
Sat Jul 02, 2011 2:17 am
UPDATE How to: Lead Filled Wood Slugs

Last post by mattyzip77
Replies: 22
by brplatz » Thu Jun 12, 2008 7:19 pm
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This is the ammo Sddds13 and i made today for some Demolition shots at particle board and eventually a 3/4 or 1 inch think counter top stuff.

HOW...

Last post

Do you get the the usual 5 finger discount?? :D
22 Replies

8665 Views

Last post by mattyzip77
Fri Jul 01, 2011 11:13 pm
Muzzle brake discussion

Last post by High-PSI
Replies: 39
by High-PSI » Sat May 07, 2011 4:17 pm
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Hey Guys,

I am working on a muzzle brake and I wanted to get some good discussion going about these things.

From what I can tell, a rearward...

Last post

I do, in fact. However, the quality of the latest videos sucks. We will be doing some serious damage testing on July 9th. I will post some videos...
39 Replies

14895 Views

Last post by High-PSI
Fri Jul 01, 2011 6:10 pm
MMK-3 French QDV airgun

Last post by saefroch
Replies: 55
by Mimikool » Sat Apr 23, 2011 2:09 pm
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Hi all ! :)

I've just seen the french airgun, of Driveround3, so i hope you will not be disappointed ^^

It's a simple coaxial QDV airgun, i shoot...

Last post

I will however add that I made a projectile that looked quite like the one in the diagram, but it failed to stabilize and impacted sideways, breaking...
55 Replies

26208 Views

Last post by saefroch
Fri Jul 01, 2011 12:47 pm
new valve :) feedback appreciated!

Last post by Link=UN=
Replies: 11
by Link=UN= » Sat Jun 25, 2011 12:55 pm

First post

new valve for my air rifle -

this is my new hammer valve (unsure if hammer valve is the correct term) for my air rifle build.

the diameter of...

Last post

haha
thats kinda put me off them a bit then.

maby ill make a dart or arrow instead!

are there any issues to be caused by bending the air tank?
i...

11 Replies

4559 Views

Last post by Link=UN=
Fri Jul 01, 2011 11:14 am
Over-Kill

Last post by urgle the danish cow
Replies: 7
by urgle the danish cow » Sat Jun 25, 2011 7:07 pm

First post

i finally got my bike pump back and had been so deprived of power and loud noise that i built this. while i was building this i realized that this is...

Last post

The pressure hashed handle seems kind of overkill ( :o ) any plans to replace it and use it for a higher pressure project?

if the need arises then...

7 Replies

4483 Views

Last post by urgle the danish cow
Fri Jul 01, 2011 11:11 am
Blowgun-Triggered Piston Valve

Last post by Jabingo19
Replies: 7
by Jabingo19 » Thu Jun 30, 2011 11:39 pm

First post

I'm coming up with the basic concept of my next build, a more or less rifle-shaped golf ball gun, and I'm curious if with an efficient enough pilot...

Last post

Gippeto the design you linked is almost exactly what I'm doing... Which is weird. Anyways, I do have a lathe, on my older piston gun I bought two...

7 Replies

3161 Views

Last post by Jabingo19
Fri Jul 01, 2011 10:04 am
Prototype Scoped Rifle (Piston actuated) (New info:23/06/11)

Last post by Keringkien
Replies: 11
by Keringkien » Mon Jun 20, 2011 5:19 am

First post

Hello everyone :)

This is a prototype of my first piston actuated air rifle, the photo's that you see here are what it looks like currently, I will...

Last post

Hmm I'm still not quite understanding the components of that mechanism...:(

Here's the sequence:

Ahh I understand completely now :) Thankyou very...

11 Replies

6515 Views

Last post by Keringkien
Wed Jun 29, 2011 2:12 am
My First Fully Metal High Power Pneumatic Gun

Last post by Technician1002
Replies: 15
by HACKERZLORD007 » Thu Jun 23, 2011 11:39 am
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Gun Specification

Fill Valve: Heavy Duty Car Schrader Valve
Trigger Valve: Female Brass Ball Valve (Lubricated)
Building Material: Galvanized Metal...

Last post

What does the 2 inch black pipe with the silver paint on the thread have to do with anything shown? No matter how many times I look at the ball valve...
15 Replies

14654 Views

Last post by Technician1002
Tue Jun 28, 2011 10:48 pm
Be nice, it's my first one, and kind of crude!

Last post by Gun Freak
Replies: 3
by NP Carling26 » Tue Jun 28, 2011 9:32 pm

First post

Well, this was my project last week, however I had been researching and interested in spud cannons for a long time. After a lot of research, I felt I...

Last post

If you're lucky yeahh :P
I dont take chances. If you can get the bushing, do it. If not, stay low pressure. Otherwise it is a beast of a cannon. :)

3 Replies

1908 Views

Last post by Gun Freak
Tue Jun 28, 2011 10:13 pm
paintball pump/compressor

Last post by wyz2285
Replies: 13
by wyz2285 » Sun Jun 26, 2011 8:46 am

First post

Recently I built a full-auto bb gun with valve-less, 30 bb mag.
It works way much better than any airsoft AEG I have ever tried, But I got a...

Last post

Personaly i go to a fire department.

I bought mine from a gun shop. Do you live near the coast? If so it should be easy to find a dive shop,...

13 Replies

2899 Views

Last post by wyz2285
Tue Jun 28, 2011 8:09 am

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