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

928176 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

452932 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

471247 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...

Last post

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

638534 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

332495 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

80349 Views

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

Topics

Paintball pistol valve

Last post by SP00K
Replies: 11
by SP00K » Sun Jul 11, 2010 9:10 pm

First post

What kind of valve is used for paintball pistols? (actually paintball guns in general, too). If someone could find an animated diagram that'd be...

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Thanks so much guys. The goal in head my remains semiautomatic pistols. I dream about the day I dual wield my way around the field.

Btw, my friend's...

11 Replies

6652 Views

Last post by SP00K
Mon Jul 12, 2010 11:35 am
HPA chamber material

Last post by jakethebeast
Replies: 12
by jakethebeast » Sat Jul 10, 2010 1:36 pm

First post

hi!

im starting to make high pressure big-bore airgun, and i have experiense on hpa testing. pressure is going to be around 2000-3000psi, and i need...

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the consept now is going for 25-35 chamber ja 39 barrel, very long but the caliber is going to be 7.62mm(assault rifle ja long range rifle bullets...

12 Replies

4431 Views

Last post by jakethebeast
Sun Jul 11, 2010 11:28 am
Help with my barrel sealing piston.

Last post by jackssmirkingrevenge
Replies: 10
by Callipygous » Sat Jul 10, 2010 1:50 am

First post

Last weekend I made my first barrel sealing piston cannon with whatever I could find at home depot that seemed like it would work.

The piston I...

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Here you go ;)

10 Replies

4511 Views

Last post by jackssmirkingrevenge
Sat Jul 10, 2010 8:08 pm
Bike pump or compressor?

Last post by Technician1002
Replies: 7
by Stolly32123 » Sat Jul 10, 2010 5:20 am

First post

Can someone tell me the pressure an ordinary bike pump can get to? and what type of compressor can get the most psi?

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Pump or compressor depends mostly on the size and your need for portability or raw power. My Marshmallow cannon is best with a hand pump. Portable...

7 Replies

3018 Views

Last post by Technician1002
Sat Jul 10, 2010 12:42 pm
Feasible as BHV

Last post by jean
Replies: 11
by AlphaOmega » Fri Jul 09, 2010 12:13 pm

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I was wondering if this design would be feasible as a BHV (Balanced Hammer Valve). All thoughts, questions, and suggestions are openly welcomed. I...

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hi here an other config for a balanced hammer valve.
i show in this

thread an pic of it

by jean

11 Replies

4334 Views

Last post by jean
Sat Jul 10, 2010 6:31 am
Wii Nunchuck as Trigger!

Last post by Stolly32123
Replies: 11
by electrictape22 » Fri Jul 09, 2010 8:21 am

First post

Hi Spudfiles,
Today I decided to show you the awesome-but-unnecessary trigger I made for an old air gun. Basically, it uses the accelerometer from a...

Last post

haha thats great. a bit un practical but still awesome.

11 Replies

4827 Views

Last post by Stolly32123
Fri Jul 09, 2010 7:01 pm
Paintball Machine Gun, A Few Questions

Last post by Gun Freak
Replies: 61
by clemsonguy1125 » Wed Jul 07, 2010 7:01 pm
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I saw a few posted on Spudfiles the other day and got an idea, it was a paintball machine gun. It was a blow forward breach. It seemed to have some...

Last post

Nah I say we keep disussing completely random crap to piss everybody off :D jk

RAN-DOM!!!
61 Replies

8179 Views

Last post by Gun Freak
Fri Jul 09, 2010 4:55 pm
EMS conduit Pipe?

Last post by metalmeltr
Replies: 38
by clemsonguy1125 » Sun Jun 27, 2010 11:38 am
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While hanging out in lowes the other day I came across some EMS conduit pipe in the electrical section for dirt cheap($1.37 for a 1/2 in 5 foot...

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not exactly, they seal with an o ring around the pipe and lock onto the pipe with teeth inside the fitting, to release the fitting you need a...
38 Replies

9065 Views

Last post by metalmeltr
Thu Jul 08, 2010 11:37 pm
6mm pellet launcher

Last post by blind909
Replies: 15
by Deceiver » Mon Apr 19, 2010 12:25 am
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I started out to make a 6mm launcher last summer and it fell to the wayside shortly after it's beginning. The parts lived in my closet for nearly a...

Last post

Why? you can see the gun without the wood just fine....
15 Replies

6269 Views

Last post by blind909
Thu Jul 08, 2010 10:42 am
Good QEV?

Last post by jhalek90
Replies: 14
by blind909 » Wed Jul 07, 2010 7:57 pm

First post

Is this a good qev? im going to be using it on my 6mm airgun(in the pneumatic showcase). I like this one because its small, and i like this shape...

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I have a few of the other style QEV's (the non-boxy kind) in 1/4'' they have been to 450psi with no damage to the valve

14 Replies

3738 Views

Last post by jhalek90
Thu Jul 08, 2010 5:50 am
Pressure rating...

Last post by deathbyDWV
Replies: 7
by deathbyDWV » Wed Jul 07, 2010 4:39 pm

First post

So... While designing a high(er) pressure piston cannon, similar to jeepkahn's decimator, I've been thinking about metal (black and galvanzed steel)...

Last post

Ah yes, and that was three inch... So I think I'll be fine... Thanks for the link!!!

7 Replies

4020 Views

Last post by deathbyDWV
Thu Jul 08, 2010 12:10 am
cool find

Last post by Gun Freak
Replies: 5
by Lockednloaded » Tue Jul 06, 2010 8:22 pm

First post

I was just browsing some youtube spudgun when i found something totally awesome. it seems to be a full/semi automatic sprinkler valve paintball gun!...

Last post

Yeah I've seen that site before, pretty nice.

5 Replies

1458 Views

Last post by Gun Freak
Wed Jul 07, 2010 11:44 am
6mm air gun

Last post by blind909
Replies: 18
by blind909 » Sat Jul 03, 2010 3:15 am
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Been a work in progress for days now. i still need to apply clear coat/laquer. It is a single shot propane operated pneumatic. The chamber is very...

Last post

Found a better design that i like better, so i drew it up on MS Paint(took forever). This should be carved out by friday, as soon as my mom can take...
18 Replies

8213 Views

Last post by blind909
Tue Jul 06, 2010 9:16 pm
M1A1 BAZOOKA

Last post by urgle the danish cow
Replies: 13
by urgle the danish cow » Sat Jun 12, 2010 9:35 pm

First post

this is a cruddy little thing my mate wanted for airsoft games. It has a 2inch ball valve as a valve and has a spring powered setup(not pictured)....

Last post

How did you mount the stock on the chamber?

!!!!!!epoxy!!!!!!! :D

13 Replies

7273 Views

Last post by urgle the danish cow
Tue Jul 06, 2010 11:02 am
RE: "semi blow gun"

Last post by Crna Legija
Replies: 1
by chinnerz » Tue Jul 06, 2010 2:10 am

First post

I was forwarded this mod . However after purchasing a blow gun and opening it up i soon discovered that the internals where quite different...
i...

Last post

cant you just file/drill the hole and the shaft.

you could cascading QEVS to pilot bigger valves

edit: i just read the thread and that pretty cool,...

1 Replies

1071 Views

Last post by Crna Legija
Tue Jul 06, 2010 7:56 am
Epoxy Thickness

Last post by jackssmirkingrevenge
Replies: 10
by clemsonguy1125 » Mon Jul 05, 2010 2:02 pm

First post

On my new stick gun (a coax) the chambers 1 pvc and the barrels 1/2 cpvc. Since they are different pipe i will be using JSRs epoxy method to connect...

Last post

In general I find that epoxy is not useful for situations involving unbuffered impacts, changing hardener proportion will change the hardness and...

10 Replies

1687 Views

Last post by jackssmirkingrevenge
Tue Jul 06, 2010 12:47 am
QEV questions...

Last post by Technician1002
Replies: 23
by Lockednloaded » Wed Jun 30, 2010 4:29 pm
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I ordered a 3/4 detrol super quick exhaust valve off of Ebay for my upcoming semi. the rest of the parts are not yet here, so I've been playing...

Last post

Please note that one large round port will flow better than 2 smaller round ports with the same total cross sectional area. The single port has Less...
23 Replies

6958 Views

Last post by Technician1002
Mon Jul 05, 2010 6:23 pm
BudGun

Last post by Technician1002
Replies: 18
by mark.f » Mon Mar 09, 2009 2:52 pm
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BudGun
This spuds for you... and you and you and you...

I was bored about a week ago and set out to build this. It was a really bad decision...

Last post

:D In case there is a rusty compressor failure, I suppose it could be converted to run on Diet Coke and Mentos. There is an advantage to having screw...
18 Replies

9151 Views

Last post by Technician1002
Mon Jul 05, 2010 11:53 am
SPAC-1

Last post by jrrdw
Replies: 25
by PCGUY » Mon Jan 31, 2005 12:22 am
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SPAC 1

Provided By Fiebig -

This is the SPAC1. It is a very simple steam powered spud gun I assembled from parts I had left over from various...

Last post

2 reasons seen to lock this:

1) Members openly complaining about kicking up old topics. Notify a moderator via PM instead of complaining about it....
25 Replies

22392 Views

Last post by jrrdw
Sun Jul 04, 2010 9:20 am
Still Don't Understand C:B Ratio on Pnuematics...

Last post by Crna Legija
Replies: 38
by BeaverRat » Tue Jun 22, 2010 2:16 am
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Well,
I can say that I understand C:B ratios for combustions because really the only variable is the fuel, many of which are standard. Pneumatics on...

Last post

just use what ggdt's default, unless you buy a valve that states otherwise
38 Replies

11183 Views

Last post by Crna Legija
Sat Jul 03, 2010 1:21 am
4 Shot Repeater Marble Rifle

Last post by Technician1002
Replies: 33
by Immur4323 » Tue Jun 29, 2010 4:35 pm
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Hey everyone, this is my second cannon and it is awesome. It uses a modified sprinkler valve as the main valve and is a repeater. I can get about 3...

Last post

These things are not toys. Do treat them as if they are loaded at all times. I found this video of unsafe handling that could have ended poorly. This...
33 Replies

14038 Views

Last post by Technician1002
Thu Jul 01, 2010 9:22 pm
Epoxy Puddy Strong enough ?

Last post by sgort87
Replies: 16
by Cuminale » Wed Jun 30, 2010 9:04 pm
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Hello, I made my first pneumatic cannon the other day and it was pretty awesome until one of the fitting came loose. I used the 2 part purple...

Last post

Yeah, I'm sure it was dismissed too. I really think this was improper curing.

And for you naysayers... Yes, I have done that before. And yes, I have...
16 Replies

4631 Views

Last post by sgort87
Thu Jul 01, 2010 3:29 pm
barrel size

Last post by fir3dp
Replies: 9
by fir3dp » Wed Jun 30, 2010 12:26 pm

First post

for a nail dart , would a 6mm barrel or a 15mm barrel be more powerful? both at the same psi and barrel to chamber ratio.

thanks :D

Last post

my valve is 15mm btw

oooh i always thought that by fitting a small barrel on a huge valve and chamber would be more powerful. 6mm darts are much...

9 Replies

2701 Views

Last post by fir3dp
Wed Jun 30, 2010 10:48 pm
Supressor Question

Last post by jackssmirkingrevenge
Replies: 13
by grock » Tue Jun 22, 2010 11:03 am

First post

I was thinking of making a suppressor for my GB gun. In a perfect world, i would be nice for it to be completely silent. my thinking on suppressor...

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Well, that sounds a very efficient way of going about it... as opposed to just using that machining capacity to make a new suppressor.

That's the...

13 Replies

5414 Views

Last post by jackssmirkingrevenge
Wed Jun 30, 2010 6:18 pm
Swamp's Pneumatic

Last post by caz259
Replies: 19
by PCGUY » Sat Feb 05, 2005 6:24 pm
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SWAMP PNEUMATIC

Provided By - Swamp

It has s 3'x3 chamber, a 2 baccara sprinkler valve (modded of course) and a 5'x2 barrel.

I think I was...

Last post

very sleek, can we get some damage videos?? :lol:

PM sent by jrrdw.
19 Replies

17423 Views

Last post by caz259
Wed Jun 30, 2010 9:35 am

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