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

890441 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

433501 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

365810 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

610990 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

325520 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

77205 Views

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

Topics

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

2117 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

1405 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...

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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

3300 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

9941 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...

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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

3440 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

1276 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...

Last post

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

1239 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...

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@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

1724 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...

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

4702 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

2422 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

4465 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.

Last post

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

1795 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

3326 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

1474 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

1935 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

2561 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

9723 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

1406 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...

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

12193 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...

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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

3343 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

14567 Views

Last post by chaos
Fri Sep 28, 2007 11:20 pm
Pressure Rated PVC Hose?

Last post by williamfeldmann
Replies: 12
by HaiThar » Thu Sep 27, 2007 5:35 pm

First post

I'm trying to find some pressure rated flexible hose to use for my next project...I can only find rated up to around 100 psi or so...and I want to...

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It's not air compressor hose, that stiffer high rated stuff is hydraulic hose. It can be used with air but is designed to be chemical resistant and...

12 Replies

2305 Views

Last post by williamfeldmann
Fri Sep 28, 2007 8:30 am
my paintball cannon

Last post by jackssmirkingrevenge
Replies: 9
by grumpy » Wed Sep 26, 2007 2:46 pm

First post

well here is my launcher it is constant air, air source is scuba tanks, i use a two reg system along with safety relief valve and an emergencey...

Last post

size does matter :shock: and f*** me, you really do look grumpy :D

9 Replies

3701 Views

Last post by jackssmirkingrevenge
Fri Sep 28, 2007 1:50 am
silencer volume

Last post by jackssmirkingrevenge
Replies: 16
by ALIHISGREAT » Thu Sep 27, 2007 12:42 pm
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would a volume of 423cm3 be alright compared to a 368cm3 barrel and a 1000cm3 (roughly) chamber.
p.s. i may have done the calculations wrong its...

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Can the silencer be made in such a way as to be removed? What I was thinking is say 3 inch pipe with 3 inch to 1.5 inch reducers that are ground out...
16 Replies

6415 Views

Last post by jackssmirkingrevenge
Thu Sep 27, 2007 10:40 pm
Calculations for building a pneumatic

Last post by Marco321
Replies: 3
by jaffe » Thu Sep 27, 2007 8:13 am

First post

I´m going to make a small guide with calcultions for pneumatics, but I dont no any calculation :roll: . So can somewhone or anywhone help my out?...

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By calculations, what do you mean? Do you mean like C:B ratio and length and volumes and such, or do you mean like trajectory and muzzle velocity....

3 Replies

1593 Views

Last post by Marco321
Thu Sep 27, 2007 7:24 pm

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