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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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

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

GGDT issues

Last post by clide
Replies: 4
by Pilgrimman » Wed Aug 01, 2007 3:09 pm

First post

I'm having trouble with the GGDT. I've built my first coaxial piston gun. The only difference is that the barrel only goes in about halfway into the...

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Here is what I get, with some more reasonable variables. I'm assuming you used 1/2 sch40...

4 Replies

1470 Views

Last post by clide
Wed Aug 01, 2007 6:04 pm
4th of July PB Gun

Last post by spud yeti
Replies: 10
by noname » Wed Jul 18, 2007 1:59 pm

First post

Thrown together for the 4th of July, this paintball gun only costed me about $5. I got the sprinkler valve for $.50 at a junkyard. The red, white and...

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iceman, we dont generally send out plans because if you cant figure it out you shouldn't be building one, but specific questions are acceptable. Look...

10 Replies

5379 Views

Last post by spud yeti
Wed Aug 01, 2007 12:12 pm
My first pneumatic

Last post by jackssmirkingrevenge
Replies: 15
by battousai555 » Mon Jul 30, 2007 9:54 pm
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Hello everyone. I just thought I'd post some pictures of a simple pneumatic I just made so I could get some feedback.

Specs:
sch. 40 PVC
2...

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Some people either don't have the facilities to purchase their own sprinkler valves locally and mod them themselves, or prefer to pay to buy a ready...
15 Replies

3930 Views

Last post by jackssmirkingrevenge
Wed Aug 01, 2007 5:49 am
What is a Hammer Valve?

Last post by dauphinoise potato
Replies: 15
by Mitchza89 » Wed Aug 01, 2007 2:10 am
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Hey guys,

I was wondering, what the hell is a Boss Valve and a Hammer Vavle? I've spent all avo looking for info on it but I've just had no...

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A hammer valve is what practically every commercially made pneumatic airgun uses to fire - imagine a blowgun valve, but instead of pull it with your...
15 Replies

4768 Views

Last post by dauphinoise potato
Wed Aug 01, 2007 5:48 am
Would this work for a CO2 setup?

Last post by Orpackrat
Replies: 8
by PinHead » Mon Jul 30, 2007 10:25 pm

First post

First post... woot.

Anyways, I've been toying with the idea of a grenade launcher style cannon for shooting painball grenades, and really want to go...

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Very nice, I assume that means you're using that same one? Did you add a guage with your as well? What kind of gun are you using it on?

I have not...

8 Replies

2515 Views

Last post by Orpackrat
Wed Aug 01, 2007 2:56 am
Avenger Mk III (WIP)

Last post by spud yeti
Replies: 17
by altxf4 » Mon Jul 30, 2007 1:02 am
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Here is my launcher set up for golf ball use for now. Got a tennis ball barrel in the works.

Got to paint , and set up a 3/4 Orbit or such as the...

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am finding that i do need to very much shorten the hose like you guys said. I am actually thinking i am going to use a 3/4 orbit and solenoid dump...
17 Replies

7857 Views

Last post by spud yeti
Tue Jul 31, 2007 11:57 pm
pull valve

Last post by noname
Replies: 7
by roughboy » Tue Jul 31, 2007 6:55 pm

First post

How does a pull valve work? can it hold high pressure? do they sell them in hardwares or do you have to make them yourself?

Also can a sharder...

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That's one thing you just gotta love about small diameter pipe, fittings, and valves.

7 Replies

2572 Views

Last post by noname
Tue Jul 31, 2007 11:48 pm
sniper barrel

Last post by paaiyan
Replies: 15
by BigJon » Mon Jul 30, 2007 7:17 pm
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Hi i'm kinda new to this web sight but i have made three pnuematics (not yet posted) so far and would like to make a pnuematic sniper. For ammo i...

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Paaiyan, the brakeline goes by OD, not ID.

OH... :D

Info assimilated!
15 Replies

3446 Views

Last post by paaiyan
Tue Jul 31, 2007 4:31 pm
Flush-fit PVC end caps/plugs?

Last post by PinHead
Replies: 12
by PinHead » Mon Jul 30, 2007 10:43 pm

First post

Do they exist? I'm working on a design that requires 2 pieces of 2 pvc to be mounted directly on top of each other. I can't have the outside edge of...

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Alot of good suggestions here. I'd prefer not to have to use a lathe, but I can get ahold of one easily if needs be.

Right now it's just an idea I'm...

12 Replies

5349 Views

Last post by PinHead
Tue Jul 31, 2007 4:21 pm
copper fitting

Last post by spud yeti
Replies: 11
by roughboy » Mon Jul 30, 2007 6:17 pm

First post

How much pressure can those 3/8''-1/4''-1/2'' copper fittings handle.

Last post

Copper is a metal......
Oops, forgot to specify, sorry. I meant any other metal than copper (ie. steel, aluminium etc)

Thanks for the help though,...

11 Replies

3387 Views

Last post by spud yeti
Tue Jul 31, 2007 1:34 pm
Spudthugs CO-AX

Last post by spudthug
Replies: 18
by spudthug » Sat Jul 21, 2007 10:03 pm
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Hey guys, i just finished my coaxial bb shooter...those vids anf stuff for my opther cannons arent gonna happen..my air compresor broke...i need a...

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idk i will take a pic of it wehn i go home..its at my moms..im at my dads..

i couldnt find the link if i wanted to..its really old and i have no...
18 Replies

8522 Views

Last post by spudthug
Tue Jul 31, 2007 9:10 am
Soldering

Last post by Redcoat
Replies: 14
by flamerz14 » Thu Jul 26, 2007 5:52 am

First post

For soldering copper pipes and other soft metals, which is better? flame or heat soldering?

Last post

Well when i made my post i was refering to one of these Mini Butane Torches .

And it worked fine.(just clearing that up.)

Happy Spuddin'

14 Replies

5989 Views

Last post by Redcoat
Tue Jul 31, 2007 3:11 am
Jument - 2" Sprinkler Valve Cannon

Last post by bassmaster1228
Replies: 29
by jssizzle » Sat Apr 14, 2007 4:55 pm
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My newest cannon, first one posted here.

I thought Jument would be a cool name. Look it up.

Cannon Specs.:

All pipe is sch. 40, everything...

Last post

i love the paint job
29 Replies

11816 Views

Last post by bassmaster1228
Mon Jul 30, 2007 11:10 pm
PN2 PeaceMaker

Last post by bassmaster1228
Replies: 29
by PCGUY » Mon Jan 31, 2005 1:03 am
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PN2 Peacemaker

Provided By - SPECTREnewyork

The creator of this cannon shall not be held responsible for any injuries received due to its...

Last post

fickn sweet gun
29 Replies

27735 Views

Last post by bassmaster1228
Mon Jul 30, 2007 11:08 pm
beer gun

Last post by PinHead
Replies: 17
by mike1010 » Sun Jul 29, 2007 8:40 pm
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no no its not a pneumatic beer tap :roll: i had to explain to my friend. but it could shoot beer if you really wanted it to. this is my cheap beer...

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Glass bottles would scare the crap out of me, but I really dig that one. Aluminum is a pretty safe material to use, I would think. Reminds me of the...
17 Replies

6155 Views

Last post by PinHead
Mon Jul 30, 2007 10:48 pm
Temperature dropage of compressed air

Last post by hkrivell
Replies: 7
by hkrivell » Mon Jul 30, 2007 2:18 pm

First post

I'm having problems with Co2 and nitrogen compromising the durability of PVC 40 and 80.

Does anyone know of a compressed air that does not cause a...

Last post

EDIT: nitrogen doesnt experience a temperature change when compressed. it may heat up a little, but not that much, i play xball, i should know :P...

7 Replies

2576 Views

Last post by hkrivell
Mon Jul 30, 2007 6:39 pm
Toothpick ammo?

Last post by clide
Replies: 12
by randomvictim » Sun Jul 29, 2007 9:24 pm

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I was thinking about making a pneumatic with a barrel small enough for toothpicks, but my concern is the toothpicks not going straight because they...

Last post

The tape thing can be done quite fast once you get the hang of it, but if you don't want to modify the toothpicks then they would make lousy ammo....

12 Replies

3607 Views

Last post by clide
Mon Jul 30, 2007 5:31 pm
Realistic Rifle

Last post by ispudder
Replies: 21
by Urban Ninja » Sun Jun 25, 2006 12:25 am
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You probrably wont have noticed, but this stock is seen on my combustion sniper rifle. It was way too loud and difficult so i decided to make it into...

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id make it a coax without any hesitation. if you or a friend have a router and a jigsaw, you could just make a new stock using the current one as a...
21 Replies

9228 Views

Last post by ispudder
Mon Jul 30, 2007 5:13 pm
lol my 1st pneumatic :)

Last post by mtronic
Replies: 29
by mtronic » Fri Jul 13, 2007 7:49 pm
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haha I made my 1st air cannon today. I love it, I can finally shoot without scaring the neighbours horses.

I took a leaf out off mitchaz89 Its kinda...

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thanks for looking at my canon

yes its impractical in this dimensions but the over all concept of using a small amount of water and vapourising it...
29 Replies

7850 Views

Last post by mtronic
Mon Jul 30, 2007 7:22 am
Bazooka?

Last post by spud yeti
Replies: 28
by Counterstriker » Tue Jul 24, 2007 7:27 pm
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I know no one really gives ideas away on the forum but you guys are sure great for tips. Well I am planning on making a bazooka for airsoft that...

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so i built an underground bunker to stash most of the bigger guns....

I feel your pain, and nice one on the stash! Isnt it illegal to just take...
28 Replies

5511 Views

Last post by spud yeti
Sun Jul 29, 2007 8:42 am
Aluminium bottles

Last post by spud yeti
Replies: 13
by flamerz14 » Sat Jul 21, 2007 9:39 pm

First post

I want to make an inline marble gun with a chamber of 2 aluminium bottles.Barrel will be 15mm(?) pvc. The bottles have a total volume of 1500cm2....

Last post

For lower chamber pressures, a bigger ratio is generally better as far as I know.

13 Replies

3731 Views

Last post by spud yeti
Sun Jul 29, 2007 4:09 am
diaphram help

Last post by altxf4
Replies: 14
by jon_89 » Fri Jul 27, 2007 1:08 am

First post

i have just built a 1 inch coaxial. i am using .125 inch neoprene disk. what diameter should the disk be? is all i need is the disk?

Last post

Diaphrams don't work...thats how I ended up on this planet!

14 Replies

3408 Views

Last post by altxf4
Sun Jul 29, 2007 3:08 am
Triggered burst disk idea

Last post by Modderxtrordanare
Replies: 14
by Spedy » Fri Jul 27, 2007 5:27 pm

First post

I'm only posting this because I haven't seen it anywhere else. Maybe I just haven't searched enough..

Well, I was thinking of using some kind of...

Last post

Heheh, i see you got to it first. Good catch.

By the way, I'm making a second prototype sometime soon.

Can't wait. :o

14 Replies

2959 Views

Last post by Modderxtrordanare
Sun Jul 29, 2007 12:08 am
Coaxial. 'nuff said. Warning: High resolution pics

Last post by origin unknown
Replies: 15
by Intel Xeon » Sat Jul 21, 2007 4:59 pm
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This is my first coaxial. I made it, reduced the chamber size twice, extended the barrel once, and replaced half of the union. The forward bushing is...

Last post

What? the union was like USD$2.50 at lowes. I'm wondering where people are getting this $10 crap

In California things cost a little more than they...
15 Replies

3726 Views

Last post by origin unknown
Sat Jul 28, 2007 6:18 pm
Great store for QEVs!

Last post by origin unknown
Replies: 9
by origin unknown » Fri Jul 27, 2007 12:57 am

First post

Fastenal has stores all over the US. They even got them in the Netherlands and Singapore too.

This is the link for a 1/2 QEV

This is the link for...

Last post

We are not talking about cylindrical with tapered here only NPT and NPTF. The two types of threads, NPT and NPTF, are completely identicle except for...

9 Replies

2576 Views

Last post by origin unknown
Sat Jul 28, 2007 5:16 pm

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