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

1201449 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

604826 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

857704 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

1020781 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

392549 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

100037 Views

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

Topics

Anything better then JB weld

Last post by battlemonkey
Replies: 11
by socoj2 » Mon Oct 01, 2007 3:28 pm

First post

I find that i have to put several fittings into pvc Caps, and i use JBweld on the inside and the outside.

Only thing is, its A. A pain to mix it....

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yeh that was pretty crazy f.c but i dont think that he actualy though i was going to test then and there. i could have blown a part anyway at higher...

11 Replies

4026 Views

Last post by battlemonkey
Tue Oct 02, 2007 2:10 pm
Safety Question

Last post by Hubb
Replies: 35
by Hubb » Thu Sep 27, 2007 4:03 pm
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I'm about to begin construction on a paintball field. It is not going to be very big but I am going to allow the use of alternative weaponry (i.e....

Last post

300 fps is the maximum, not standard. Paintball markers are usually set to around 280fps due to some paintball markers shooting hot (paintball term...
35 Replies

13559 Views

Last post by Hubb
Tue Oct 02, 2007 5:06 am
Coin Launcher v1.0

Last post by Novacastrian
Replies: 50
by jackssmirkingrevenge » Sat Sep 29, 2007 3:30 am
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After this discussion on coin launching, I remembered i had an unused pneumatic nailgun lying around and thought I'd give it a go. The mod is quite...

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Laws of bloody physics, when WILL they stop? 8)
50 Replies

16040 Views

Last post by Novacastrian
Tue Oct 02, 2007 3:24 am
sch 120

Last post by DYI
Replies: 10
by tyguy2000 » Mon Oct 01, 2007 6:35 pm

First post

I am considering making my second spud gun sometime soon. My first was a rather expensive 8 foot pneumatic with a 2 sprinkler valve. To save cash and...

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You don't really need tools to use metal pipe, all you need is teflon tape and a pipe wrench or two. Metal piston valves can also be built without...

10 Replies

3230 Views

Last post by DYI
Mon Oct 01, 2007 8:57 pm
Airsoft Shotgun

Last post by Zippster
Replies: 5
by Zippster » Sun Sep 30, 2007 9:20 pm

First post

Hey guys, yes I'm new, but this is already my third cannon, second pneumatic. Sorry for no pics - couldnt find my camera upload cable. So heres a...

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I've been thinking about it, and I've pretty much concluded that its the slow ball valve thats the problem. I'm not all that knowledgable in the ways...

5 Replies

3074 Views

Last post by Zippster
Mon Oct 01, 2007 8:48 pm
burst disk on cartridge design

Last post by iknowmy3tables
Replies: 4
by iknowmy3tables » Mon Oct 01, 2007 3:50 pm

First post

this thread inspired me to post my idea that I had for a while

I think its similar to how gort's quick change burst disk...... thing but I don't...

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well I think 1.5 pvc and 4 outer body chammber and a 3 to 1.5 brushing for that piston it wouldn't need that much machining or I don't think,

4 Replies

2169 Views

Last post by iknowmy3tables
Mon Oct 01, 2007 7:53 pm
Quick Exhaust Valve VS Piston Valve?

Last post by Lentamentalisk
Replies: 6
by Spudnik Tweaker » Fri Sep 28, 2007 2:39 am

First post

Hi all. I just needed some help from members with the real hands-on experience/knowledge.

From my interpretation, according to Wikipedia (not the...

Last post

with a commercial QEV, the way to trigger it is the same way that you fill it. you simply release the pressure on the side of the input, and that...

6 Replies

3959 Views

Last post by Lentamentalisk
Mon Oct 01, 2007 7:06 pm
Attempting to build a "net shooter"

Last post by battlemonkey
Replies: 37
by Mike_D202 » Fri May 18, 2007 4:28 pm
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Hey fellas, I'm new here. Ever since I saw this product:

I've been trying to build one. I read on the website that it uses compressed air and...

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thats what i was thinking about, a sabot with four pieces that fly apart with weights in them. or u could go for something like the old twin cannon...
37 Replies

10822 Views

Last post by battlemonkey
Mon Oct 01, 2007 3:49 pm
sniper cannon

Last post by battlemonkey
Replies: 12
by battlemonkey » Sun Sep 30, 2007 2:38 pm

First post

My first cannon that I have posted.
Has interchangeable barrels for shooting paintballs or corks and even water (great fun, shot friend against wall...

Last post

As i said my soileniod is current broken and am in the proccess of getting a new one.
GGTD says about 420fps but that may be a bit optimistic.
i...

12 Replies

3573 Views

Last post by battlemonkey
Mon Oct 01, 2007 2:35 pm
Rifle Style Cannon

Last post by ShowNoMercy
Replies: 3
by ShowNoMercy » Sun Sep 30, 2007 8:33 pm

First post

This is my new rifle styled cannon that I built out of parts and other odds and ends I had laying around. It is a 1 inch stock with a 1 inch...

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The sprinkler is electrical and the solenoid has not been put on for that picture. The regukator was bought from swampworks a while ago and I think...

3 Replies

1346 Views

Last post by ShowNoMercy
Mon Oct 01, 2007 8:51 am
Cheap easy pistons

Last post by mega_swordman
Replies: 2
by Pilgrimman » Mon Oct 01, 2007 1:29 am

First post

All you need is a can of suave 24 hour protection deodorant. (In a tall, light blue can.) Take the cap. Notice how well it fits in a 2 tee. (At least...

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I am fairly certain he is talking about the cap of the can. Reguardless, please post some pictures so that we may be able to see.

2 Replies

1321 Views

Last post by mega_swordman
Mon Oct 01, 2007 4:12 am
STEVE

Last post by flamerz14
Replies: 3
by flamerz14 » Mon Oct 01, 2007 1:18 am

First post

S pring in T ee E xhaust V alv E

A manual valve based on the DDTV or something like that. It works by pulling the pipe stub down, exhaustiing the...

Last post

@Pete Zaria: the spring is used to reset the stub when it is pulled. and what piston might i add?

@Pilgrimman: yeah, i'm worrying about that now.I...

3 Replies

1800 Views

Last post by flamerz14
Mon Oct 01, 2007 1:59 am
Leaking Ball Valve on Ghetto Gun

Last post by spudgunnerwryyyyy
Replies: 20
by The Kid » Sun Sep 30, 2007 5:31 am
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well i made this last week and i found it leaks around the ball when the soda bottle is pressurized but no where else. i usually use about 120 psi in...

Last post

Lithium grease and pfte thread seal paste works great. Pile the thread paste on thick. It lubes and seals.
20 Replies

4903 Views

Last post by spudgunnerwryyyyy
Mon Oct 01, 2007 12:02 am
GGDT Question

Last post by clide
Replies: 12
by socoj2 » Sun Sep 30, 2007 8:31 am

First post

I am going to use the following valve in my cannon. and i need to figure out if i need to go a larger one so i am using GGDT..

A quick exhaust...

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Does this program actually help people?

So far there is only a bunch of guestimation of what to actually put in. and with the stuff i have put in so...

12 Replies

3620 Views

Last post by clide
Sun Sep 30, 2007 9:15 pm
Need Help!! mega launcher

Last post by babyJ
Replies: 15
by babyJ » Sat Sep 29, 2007 6:39 pm
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Im making a cannon with a 8 to 10 inch diameter barrel all steel pipe from a 400 gallon air tank need valve ideas for it!!

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I might b wrong but wouldnt a piston valve require alot more space or i would have to cut my 400 gallon tank to insert the valve and barrel then weld...
15 Replies

4771 Views

Last post by babyJ
Sun Sep 30, 2007 7:02 pm
New Blow gun idea

Last post by us sniper
Replies: 4
by us sniper » Sun Sep 30, 2007 3:14 am

First post

I got this idea from hotwired's commando gun. This would make a qev or piston semi-auto as long as the rate of fill is fast enough.

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The light blue is the pressurized air, the dark blue are o-rings, and the green is the bolt. Sorry, when I thought of this design it was kind of late...

4 Replies

1842 Views

Last post by us sniper
Sun Sep 30, 2007 3:31 pm
First cannon DONE!!

Last post by noname
Replies: 11
by babyJ » Sat Sep 29, 2007 6:58 pm

First post

looking for comments and improvements that could b made. its has a 2 in barrel 3in expansion chambers that hold about 7 gallons.

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Read the fine print in the instructions they say 24 volts ac 9 volts minimum and 9 volts dc is enough to open it one way when u flip the switch and...

11 Replies

3381 Views

Last post by noname
Sun Sep 30, 2007 10:52 am
Now that's a nail gun

Last post by Redcoat
Replies: 6
by clide » Sat Sep 29, 2007 6:00 pm

First post

I've seen some big nail guns including one that took up half a pallet and I couldn't lift, which oddly enough was designed exactly like the hand held...

Last post

When I clicked it nothing happened it says there is nothing no search results . It works now but when I clicked on it before when i made my other...

6 Replies

1718 Views

Last post by Redcoat
Sun Sep 30, 2007 1:33 am
Sealing Problems

Last post by SpudBlaster15
Replies: 8
by DYI » Sat Sep 29, 2007 7:19 pm

First post

The insanely powerful pneumatic that is mentioned in my sig is essentially complete, but I have ran into a problem that will sink the entire project...

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

8 Replies

1999 Views

Last post by SpudBlaster15
Sun Sep 30, 2007 12:24 am
QEV from an ION Marker...

Last post by Scope
Replies: 7
by HaiThar » Thu Sep 27, 2007 9:25 pm

First post

Alright, so I did a search on Ebay for a QEV, as I'm looking into using one for my next gun...Anyway, most of the things that appeared were from a...

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yea they are about 3/4 an inch long.
they could maybe shoot spitballs.
plus they dont work like the qev's spudders use

7 Replies

2714 Views

Last post by Scope
Sat Sep 29, 2007 10:46 pm
electro-pneumatic full auto design

Last post by iknowmy3tables
Replies: 25
by jackssmirkingrevenge » Sun Sep 23, 2007 12:42 pm
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Following the lack of success of my blow forward experiments, I've decided to try a different approach. The breech is attached to a shaft and is free...

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wait so you still really want an air only system well your looking for an air motor, if you don't feel like buying one you may be able to extract one...
25 Replies

12958 Views

Last post by iknowmy3tables
Sat Sep 29, 2007 9:13 pm
Name that cannon!

Last post by Redcoat
Replies: 4
by Gepard » Sat Sep 29, 2007 3:14 pm

First post

Hi,

On here there's a cannon that uses two tanks in like a loop shape either side of the barrel. I was sure it was one of the big ones (Joels Mega,...

Last post

LOL, that's funny.

4 Replies

1440 Views

Last post by Redcoat
Sat Sep 29, 2007 4:21 pm
I'll call him... Kevin.

Last post by The Kid
Replies: 27
by sgort87 » Sun Aug 20, 2006 9:10 pm
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So I found a 1.5 QEV on Ebay a couple weeks ago for $28 total after shipping. It is such a huge valve that it has a built-in pilot QEV. I have been...

Last post

thats a real nice gun i don't usually like orange but that paint job looks bad ass
27 Replies

12546 Views

Last post by The Kid
Sat Sep 29, 2007 9:32 am
QEV shipped to Demark?

Last post by hyldgaard
Replies: 8
by hyldgaard » Sat Sep 29, 2007 6:28 am

First post

Hi, some of you might have read my other topic about a cannon im about to built when i visit my parents.
Heres the problem, i really cant find any...

Last post

Hotwired ->
Will do, as soon as he activates my user on the forum :)
as a sidenote, just saw your copperhead prime cannon, that was acutally A LOT...

8 Replies

3457 Views

Last post by hyldgaard
Sat Sep 29, 2007 9:05 am
1/2" QEV Copper Pneumatic with Pictures

Last post by chaos
Replies: 36
by MaxuS » Wed Sep 05, 2007 4:18 pm
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Hey everyone, this is my first post. Id thought id save it for something good, and here it is; the MKIII: Pigeon Bane. Two detachable barrels, one is...

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You know what, it would be nice if someone made a how to on a piston valve for copper pneumatic cannons. At least i dont think there are. Is it...
36 Replies

15436 Views

Last post by chaos
Fri Sep 28, 2007 11:20 pm

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