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

1124913 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...

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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

552098 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

821104 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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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...

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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

966926 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

374838 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

92381 Views

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

Topics

Uhmmm, 20bar pcp

Last post by Brian the brain
Replies: 30
by dahakka » Tue Jan 03, 2012 11:14 am
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sorry , i'm not so good at English ,so i won't talk much
this is not my work ,some guy in my country did
I think it's impressive ,so i decided to...

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Nah, don't worry about it, just keep it in mind next time.
Now get your butts back on topic... :D
30 Replies

11203 Views

Last post by Brian the brain
Fri Jan 13, 2012 1:51 pm
Newbie post

Last post by jackssmirkingrevenge
Replies: 9
by dahakka » Wed Jan 04, 2012 8:45 am

First post

:o
hi everyone i just read this forum and build gun about 4 or 5 month ago,
and i have some silly ...project :lol:

i read some where in this forum...

Last post

I know it ugly

Remember the A-10 motto:

:D

9 Replies

3951 Views

Last post by jackssmirkingrevenge
Fri Jan 13, 2012 1:20 am
Coax breechloaded design

Last post by jackssmirkingrevenge
Replies: 2
by Brian the brain » Thu Jan 12, 2012 3:24 pm

First post

based on Al-xg's and petitlu's design
I came up with this idea.

It eliminates the use for precision ammo and wastes less gas after each shot.

In...

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comic sans, seriously?

:D

The way you propose using the cartridges reminded me of this , without using a detent.

2 Replies

1122 Views

Last post by jackssmirkingrevenge
Fri Jan 13, 2012 1:18 am
Help making a QEV - Italian

Last post by max76
Replies: 63
by max76 » Wed Jan 04, 2012 10:38 am
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Hi Guys ,i'm Max I am new in this forum.
I have seen on youtube qev but many do not understand how to build
I explained in detail how to build a...

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si si .Grazie di tutto.
63 Replies

21642 Views

Last post by max76
Thu Jan 12, 2012 10:49 am
Big Stuff

Last post by Technician1002
Replies: 213
by Jimmy K » Mon Aug 23, 2010 8:47 am
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I am making a kinda large bore (maybe 4 or 5 inch by about 10 feet) trailer mounted pneumatic cannon with computer controlled tilt and pan...

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Feel free to pass design ideas to us to approve or rip apart. It may save you from designs that have design and safety flaws.

Congrats on the club...
213 Replies

69297 Views

Last post by Technician1002
Thu Jan 12, 2012 10:38 am
Been away for a long time

Last post by Mike_Hunt0420
Replies: 5
by Mike_Hunt0420 » Thu Jan 05, 2012 2:48 pm

First post

I've been away for a long time now and am amazed by some of the new cannons that have been made. I am currently planning a drum-mag fed lever action...

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I might throw a prototype together beforehand out of pvc just for fun but I doubt it, the mechanism for the lever action isn't exactly the easiest...

5 Replies

3827 Views

Last post by Mike_Hunt0420
Wed Jan 11, 2012 5:06 pm
14mm Automatic Air Rifle

Last post by Brian the brain
Replies: 46
by al-xg » Wed Sep 23, 2009 5:57 pm
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A few MS Paint drawings to illustrate inner workings of the Design #3 of the innovative contest...

Although the delayed blow-back seems to be...

Last post

Well..This design was ahead of it's time so no wonder it gets bumped.

Now that the subject has been brought up....PLEASE do another one of these!!...
46 Replies

30569 Views

Last post by Brian the brain
Wed Jan 11, 2012 3:50 pm
Fus Ro Dah Fail

Last post by Insomniac
Replies: 10
by PVC Arsenal 17 » Mon Jan 09, 2012 2:16 pm

First post

Without knowing anything at all about them, I decided to try making a toroidal vortex launcher.

I had no clue where to start or how to do it so I...

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I've built a few little vortex cannons before, and I think your problems are that the shape is incorrect on this scale, and you are using way too...

10 Replies

4733 Views

Last post by Insomniac
Wed Jan 11, 2012 5:00 am
copper pistonvalve air cannon

Last post by qwert123
Replies: 9
by qwert123 » Mon Jan 09, 2012 10:41 pm

First post

a general overview:

a dry fire demo:

live fire demo:

thank you to everyone who i asked questions about soldering copper pipes! :D i...

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Ah ok, I remember in the overview video you said there was a spacer about half way down the front copper pipe, is that where the suppressor begins?...

9 Replies

3070 Views

Last post by qwert123
Tue Jan 10, 2012 7:02 pm
What sort of thread do schraders have?

Last post by Hawkeye
Replies: 6
by sharpshooter11000 » Mon Jan 09, 2012 3:49 pm

First post

Exactly what the title says... What sort of threads do schraders have on the body and also can you get any taps of that size?

Last post

I actually thought he meant the thread on the body of the schrader valves that actually thread into something.
Like the schraders that go on a water...

6 Replies

1890 Views

Last post by Hawkeye
Mon Jan 09, 2012 9:58 pm
air cannon parts?

Last post by jrrdw
Replies: 9
by lklaussen » Sun Jan 08, 2012 8:59 pm

First post

i was browsing the web, and noticed how expensive some people are selling things for air cannons. this got me thinking I should build custom valves,...

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And if you want to sell them here on Spudfiles contact PCGUY about it first! Good luck on which ever way you decide to go.

9 Replies

2703 Views

Last post by jrrdw
Mon Jan 09, 2012 3:48 pm
How much muzzle energy (recoil) is OK in your opinion?

Last post by Daltonultra
Replies: 7
by High-PSI » Sun Jan 08, 2012 7:06 pm

First post

Hey Guys,

In general, I just enjoy building and firing my cannons, no matter how much power I have. However, for fun, I have been moving to higher...

Last post

Having fired a .700 Nitro Express side-by-side rifle, I'm not too impressed by the recoil from most potato guns. (The rifle knocked me three steps...

7 Replies

3816 Views

Last post by Daltonultra
Mon Jan 09, 2012 5:38 am
Airsoft gun design

Last post by bookyle
Replies: 53
by evanmcorleytv » Mon Oct 24, 2011 7:36 pm
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Hey everyone, I have been chasing down designs for airsoft guns for the past 8-9 months, and I have reached a verdict, and I just wanted to check up....

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BTW, I took apart my rifle and checked, there is enough room in the lower receiver to fit the QEV and a slide check valve
53 Replies

11101 Views

Last post by bookyle
Sun Jan 08, 2012 2:48 pm
Possible to avoid a floating barrel with bolt action?

Last post by Truck
Replies: 17
by Truck » Wed Jan 04, 2012 6:24 am
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Hey guys, I am fairly new to spud gunning, however I have done my research, and I have been having trouble finding a solution to my problem.
This is...

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Here's a crude representation of what you want, as the blue component moves in line with the barrel, it touches the bolt and the ramp turns the...
17 Replies

7386 Views

Last post by Truck
Sun Jan 08, 2012 4:41 am
Bolt High Pressure

Last post by Petitlu
Replies: 6
by Petitlu » Fri Jan 06, 2012 3:34 pm

First post

Hello!
I have just made this tight bolt head, it is very solid, it resists 2200psi:

test:

60bar / 870psi

150bar / 2200psi

after all...

Last post

thank you
I intend to do a breech for my PAC Elurick that pulls in 3000psi
This one is a prototype, I test the maximum strength

6 Replies

1748 Views

Last post by Petitlu
Sat Jan 07, 2012 7:32 am
The Result of Being Bored

Last post by evanmcorleytv
Replies: 10
by Jimmy K » Tue May 17, 2011 8:23 pm

First post

While waiting for my finger to heal and for some parts for my larger project , I decided to try to make a piston valve (my first). It's a barrel...

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I apologize for not answering sooner. I've been busy with school and other stuff.

Where are you located? I'd like to meet up sometime, and shoot...

10 Replies

5972 Views

Last post by evanmcorleytv
Fri Jan 06, 2012 8:10 pm
Mine Challenge - New Pics With trip wire mine.

Last post by Davidvaini
Replies: 33
by Davidvaini » Thu Dec 10, 2009 2:57 am
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Hey mates, I have a Challenge for you!

Many people on SpudFiles love to play Paintball or Airsoft, and I am one of them!

Part of Airsoft and...

Last post

It is an open system, so when the co2 gets punctured it is immediately exiting the device. Just like a bbmg, the actual pressure inside the device is...
33 Replies

17861 Views

Last post by Davidvaini
Thu Jan 05, 2012 1:05 pm
Piston valve not sliding back?!?

Last post by lklaussen
Replies: 14
by lklaussen » Mon Jan 02, 2012 8:53 pm

First post

So for my science fair project I decided to test something relevant to my FAVORITE hobby, so I needed a piston valve cannon. Today I got all the...

Last post

Ok. Would a bigger pressure chamber help? It seems kind of small...

14 Replies

4452 Views

Last post by lklaussen
Wed Jan 04, 2012 9:56 am
shock pump stroke volume?

Last post by jackssmirkingrevenge
Replies: 14
by 32103940 » Tue Jan 03, 2012 7:54 am

First post

im looking to make a 300psi singleshot gun powered manually by shock pump. my aim is higher pressure, since my last project was bicycle pump-powered...

Last post

:D

Ooops, I said 3/4 BSP in the previous post, edited.

14 Replies

4318 Views

Last post by jackssmirkingrevenge
Wed Jan 04, 2012 4:25 am
Mauler golf ball cannon WIP

Last post by evanmcorleytv

by evanmcorleytv » Sat Dec 31, 2011 11:55 pm

Hey forum users! This is my first cannon post.. Today (New Years Eve) I started my new Golf ball cannon!! It's been a dream for over a year now, and...

0 Replies

4538 Views

Last post by evanmcorleytv
Sat Dec 31, 2011 11:55 pm
16' Coaxial cannon

Last post by Technician1002
Replies: 8
by ElDuderino » Thu Dec 29, 2011 10:36 pm

First post

I built this thing a number of years ago, and repaired it this week. It kicks @$$.

16' x 2 barrel
6 x 7.5' tank
4 ported quick exhaust valve
Piston...

Last post

I had to switch from PVC to ABS on a similar design as the PVC eventually cracks and shatters. Use a really good bumper and keep clear of the...

8 Replies

4716 Views

Last post by Technician1002
Fri Dec 30, 2011 9:59 am
50 caliber 28 Shot Breach/Muzzleloader QEV Air rifle

Last post by mpmrla
Replies: 14
by mpmrla » Wed Dec 28, 2011 12:58 am

First post

Homemade totally off the shelf re-purposed muzzleloader. It's being fired with 250 to 300 psi air from a good quality 250 psi stirrup pump or my...

Last post

I made a few corrections to the parts list for this cannon

14 Replies

11736 Views

Last post by mpmrla
Thu Dec 29, 2011 9:57 am
New coax idea?

Last post by YEAHADD16
Replies: 8
by YEAHADD16 » Tue Dec 27, 2011 8:40 am

First post

I was messing around with some of my guns, and I really want to build a break action shotgun, something that looks legitimate and functions somewhat...

Last post

:roll: duh, why didn't i think of that :lol: makes sense. does it seem practical though, might as well use a qev or something. Thing is I what it to...

8 Replies

3924 Views

Last post by YEAHADD16
Wed Dec 28, 2011 10:43 pm
Repeating Pneumatic Tennisballer RPT V.2

Last post by Lockednloaded
Replies: 4
by Lockednloaded » Tue Dec 27, 2011 6:57 pm

First post

Repeating Pneumatic Tennisballer RPT V.2

This is the V.2 version of my tennisball gun centered around a 1.5 pneumatically modified irrigation...

Last post

Nice! I like the grip especially, that's one massive valve :)
Oh and cool camo too :wink:

Thanks, this was mainly an aesthetic+ergonomic build, so...

4 Replies

2681 Views

Last post by Lockednloaded
Tue Dec 27, 2011 7:50 pm
3/4" Brass Piston Valve

Last post by squnto
Replies: 2
by squnto » Sun Dec 25, 2011 9:44 pm

First post

check it out folks, heres a cannon im working on, will eventually be piloted by a slide valve, filled by c02, and have a blow forward marble feeder...

Last post

i had seen yours previously, but used a different fitting instead of dat nipple!

thanks for the feed back man! it aint my first gun, but its my...

2 Replies

2327 Views

Last post by squnto
Sun Dec 25, 2011 10:35 pm

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