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

1665483 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

753815 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...

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great job everyone
64 Replies

981651 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

1164748 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

465973 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

131395 Views

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

Topics

Modded Sprinkler Valve Problems

Last post by noname
Replies: 11
by McSpudsalot » Sun Feb 25, 2007 7:34 pm

First post

Hey I just finished my first pneumatic gun. I modded a 1 inch Orbit. The first time I filled and shot it (with nothing in the barrel) it worked like...

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You can take the diaphragm, top, screws, and spring out; that's all there is to the valve.

11 Replies

3670 Views

Last post by noname
Mon Feb 26, 2007 6:32 pm
Best Ammunition for Sniper Rifle

Last post by VH_man
Replies: 27
by chubster » Sun Feb 25, 2007 3:14 pm
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Hey, I'm looking to build a pneumatic sniper rifle, most likely sprinkler valve, w/ sch 40 pvc. What's the best type of ammo to use ( what will go...

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anyone ever cosider making a hop-up for a marble gun? i know that in airsoft guns it increases accuracy and allows you to take the role of a...
27 Replies

7696 Views

Last post by VH_man
Mon Feb 26, 2007 9:01 am
filling a large chamber?

Last post by frankrede
Replies: 5
by A-98 » Sun Feb 25, 2007 11:16 pm

First post

well, i am (possibly) going to build a bun with a large chamber (4 by 24 , or 301ci) and i need a way to fill it to ~100 psi.

i dont have a...

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$3 for a blue bottle where I live.

5 Replies

2381 Views

Last post by frankrede
Mon Feb 26, 2007 7:55 am
Pre-Pie Chunker

Last post by c19o
Replies: 15
by dethstik » Thu Feb 03, 2005 1:04 pm
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PRE-PIE CHUNKER

4 x 10' tank (252000lbs of Force@140psi)
2 x 10' barrel (BOOM!)
Ammo: Anything That Fits.
Fill, Launch, & Laugh!

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I'm too scared to use dwv cause i saw a dude have a 2 dwv pipe with dwv end caps on it and tapped a 1/8 hole for the air compressor and it blew up...
15 Replies

11923 Views

Last post by c19o
Sun Feb 25, 2007 7:53 pm
Clean Coaxial

Last post by noname
Replies: 8
by noname » Fri Feb 23, 2007 1:27 pm

First post

Well, lately everyone's been making clean guns; making the cannon, then leaving it unpainted, but using clear primer and cement. I decided to make my...

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The piston/diaphragm is a short piece of 1 SDR 21 with a 1/2 end cap JB Welded in, with the rubber JB WElded to the open end of the 1/2 cap. The...

8 Replies

2961 Views

Last post by noname
Sun Feb 25, 2007 3:41 pm
Reaper Rifle

Last post by drac
Replies: 94
by experament-u2 » Sun Jan 28, 2007 1:28 am
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REAPER RIFLE

This is my new hunting rifle it has working open sights, revolving breech, 0-220 psi gauge and moded sprinkler valve with blowgun....

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Drac, nobody was talking about deer hunting, they were talking about hunting small game, cats are small, and pests/varmints.
Now as I’ve explained...
94 Replies

36542 Views

Last post by drac
Sat Feb 24, 2007 11:44 pm
"Bubba" & the "Maulernator"

Last post by c19o
Replies: 15
by sgehring » Fri Dec 22, 2006 1:47 am
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This is my first, Bubba, and my second, The Maulernator, Pneumatics. Bubba has a 48 by 4 chamber and a six foot by 2 barrel. The valve is a barrel...

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That's one bad @$$ gun. I like it
15 Replies

5109 Views

Last post by c19o
Sat Feb 24, 2007 9:03 pm
piston gun probloms

Last post by chaos
Replies: 12
by turbohacker » Wed Feb 21, 2007 1:02 am

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I just completed my second attempt at a piston gun, it consists of a two foot section of three inch with a one and a half foot long two inch barrel...

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oh crap my bad im still asleep i thought equalization holes.i know what im talking about just had a brain dead moment, so yer what about your...

12 Replies

2970 Views

Last post by chaos
Sat Feb 24, 2007 8:22 pm
Problems

Last post by chaos
Replies: 6
by chaos » Sat Feb 24, 2007 9:09 am

First post

OK so my new pneumatic marble smooth bore(s.s.r) i took it up to 12and a 1/2 bar today(about 150-160psi)me wants 300psi but anyways, yep it rocks...

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or you could always use co2 or hpa =$$$$$ for me im in aus its hard to even go paint balling for reasons:you have to be 18yrs or older,you cant buy...

6 Replies

2376 Views

Last post by chaos
Sat Feb 24, 2007 7:54 pm
Installing Schrader Valve in PVC

Last post by dippydodo03
Replies: 3
by Will_U_Phistme » Sat Feb 24, 2007 3:56 am

First post

Gurus, lend me your ears. My question is whether and how much you destroy the structural integrity of PVC pipe by drilling a hole in its side.

The...

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I have put a shrader valve on chamber before and it was perfectly fine at 120psi+. If you are realy worried about it then I would put it in the...

3 Replies

10919 Views

Last post by dippydodo03
Sat Feb 24, 2007 3:44 pm
How the heck do I build a Co-axial cannon?

Last post by paaiyan
Replies: 12
by timebmb757 » Fri Feb 23, 2007 5:42 pm

First post

Hi, Im a bit new to making cannons, I have already built a basic combustion and a basic pneumatic cannon, But I am wondering how to build a Co-axial...

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Friggin-A. My bad guys. I was at work and not paying attention. My apologies for the bad info.

12 Replies

4874 Views

Last post by paaiyan
Fri Feb 23, 2007 10:12 pm
blow-forward bolt

Last post by judgment_arms
Replies: 18
by keep_it_real » Wed Feb 21, 2007 12:10 am
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I made a blow forward bolt for my gun. The only problem is it's a little to big for the paintballs. As the bolt comes forward it slices off the...

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I do not mean to offend you, my friend, but I already know this. The closed bolt system is slower than the open bolt, it’s used on guns like the...
18 Replies

8742 Views

Last post by judgment_arms
Fri Feb 23, 2007 8:28 pm
QEV

Last post by joannaardway
Replies: 7
by chaos » Fri Feb 23, 2007 4:22 am

First post

Here is a QEV i found that lets just say i can Acquire :lol: do you think it would be any good?i dont have much experience with these.

peace

Last post

Yes... rated pressures are important. Which is why people use plastic bottles for 160 psi.

Of course, some things have ratings so extreme that...

7 Replies

1874 Views

Last post by joannaardway
Fri Feb 23, 2007 1:32 pm
NoName's 'Nade

Last post by noname
Replies: 9
by noname » Wed Feb 21, 2007 6:40 pm

First post

Well, PVC Aresenal 17 inspired me to make my own. See if you can figure it out, it's not that hard. GGDT rates a 30 BB shotgun round at ~350 fps. To...

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Yeah, getting hit with a half pound chunk of pipe wouldn't be at the top of my To Do list right now..

9 Replies

2583 Views

Last post by noname
Fri Feb 23, 2007 11:02 am
there are 2 kinds of copper

Last post by Hotwired
Replies: 3
by roughboy » Fri Feb 23, 2007 1:04 am

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I found out that there are 2 kinds of copper one is called flexible and the other is called rigid. what kind of copper should people use on there...

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You can get quite sizeable flexible copper but it's incredibly naff for making barrels and chambers.

It comes in rolls which have to be straightened...

3 Replies

1098 Views

Last post by Hotwired
Fri Feb 23, 2007 6:43 am
air supply

Last post by EGOed
Replies: 16
by geneh2000 » Wed Feb 21, 2007 9:03 am
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I am going to build a chainfeed remote controlled t shirt cannon for a demo truck we are building for the CES show in Las vegas. My question is what...

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Scuba shops charge $15- $25 to fill a tank but you will still need to get a regulator that will get you from 2200 psi down to 100psi to charge your...
16 Replies

6239 Views

Last post by EGOed
Fri Feb 23, 2007 12:53 am
Low Pressure Paintball Tank Regulators

Last post by Scope
Replies: 12
by VH_man » Mon Feb 19, 2007 2:58 pm

First post

Well, Ive been trying for a while to make a portable, semi/full auto nerf rifle. i have a shell fed semi-auto version, but i have too hook it up to...

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Get a palmers. I use them in paintball and they are absolutly the best... they are rediculous. Get a low pressure valve... They are made to reg under...

12 Replies

8782 Views

Last post by Scope
Thu Feb 22, 2007 10:09 pm
Dartgun

Last post by coolhippy80
Replies: 22
by PCGUY » Sat Feb 05, 2005 4:30 pm
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DARTGUN

Provided By - Spudinator

Specs: 1/2 piston, 1.5 CV flow, blowgun actuated, .40 blowgun barrel, 8 CI volume chamber, muzzle velocities...

Last post

ah! ty so much!!! :D :D :D :D
22 Replies

17389 Views

Last post by coolhippy80
Thu Feb 22, 2007 3:28 am
Bolt-less piston design

Last post by c19o
Replies: 3
by c19o » Wed Feb 21, 2007 1:03 am

First post

Here is a new bolt-less piston design i thought of when my other piston wouldn't work. Also used this kind of piston on my marble gun. Its about a 3...

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I'm using this piston in a coaxial like the pac 5 except longer chamber and barrel. So i'm not using a tee My bumper is that clear tubing. It's kind...

3 Replies

1466 Views

Last post by c19o
Wed Feb 21, 2007 10:23 pm
regulation help

Last post by McThrust
Replies: 4
by McThrust » Wed Feb 21, 2007 8:39 pm

First post

ok guys i wanna make a marble gun that shoots more than once without having to pressurize again. The design i first thought of was to have the larger...

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ahh i think i understand

i forgot to take into account that 1psi in a large tank is worth more in a smaller tank, and when the regulator is open...

4 Replies

1989 Views

Last post by McThrust
Wed Feb 21, 2007 9:28 pm
M79 Idea?

Last post by iknowmy3tables
Replies: 13
by anhydrite » Thu Feb 15, 2007 8:14 pm

First post

Im working on designing an M79 and need some advice/recomendations.

I want it to look like an M79....not an M14 like the ones online.

I want to...

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thats a good idea, the activation of the quick charge will trigger the gun, I wonder if anyone has done this it fixes the problem with burst disk...

13 Replies

4846 Views

Last post by iknowmy3tables
Wed Feb 21, 2007 2:16 pm
help with piston configeration

Last post by squeaks
Replies: 13
by experament-u2 » Mon Feb 12, 2007 3:21 am

First post

i was wondering if it is possible to make a piston that works like this

and another question if u heat pvc and bend it slightly would it still...

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This valve is actually really easy to make. Best of luck to you making it. It makes a rather cheap compact valve too. I recomend this style to...

13 Replies

5580 Views

Last post by squeaks
Tue Feb 20, 2007 11:59 pm
The sprinkler valve mystery

Last post by goathunter
Replies: 11
by goathunter » Thu Feb 15, 2007 9:34 pm

First post

All right here is the problem I modded a orbit 3/4' sprinkler valve. It worked like a champ until I took it apart to paint the outside.When I...

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I tried lubing it and it didn't work any better so I junked the valve and made the gun electronic again. No the oil didn't eat the seal I use key oil...

11 Replies

3868 Views

Last post by goathunter
Tue Feb 20, 2007 6:36 pm
Stainless piston help needed

Last post by chaos
Replies: 14
by chaos » Tue Feb 13, 2007 4:30 am

First post

heres wat i got

from this i need a piston barrel sealing valve,
if ya can help get creative and draw some diagrams goin dont use these parts...

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now i have no more tape. although i do have a problem with the valve, i think it has a slow opening time so if someone could tell me what a good lube...

14 Replies

5149 Views

Last post by chaos
Tue Feb 20, 2007 6:09 am
Anybody ever modded this?

Last post by kablooie
Replies: 15
by mopherman » Fri Feb 09, 2007 5:57 pm
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Does it work well? Run into any problems during the mod?
sry linker was messing me up

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Will a 3/4 modded sprinkler valve hooked up to a 1 barrel be effective? I would use a 1 valve but I can't find one. Thanks. :shock:
15 Replies

4465 Views

Last post by kablooie
Mon Feb 19, 2007 4:06 pm

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