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

1671818 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

755927 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

983381 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

1166356 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

467005 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

131648 Views

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

Topics

Barrel length for max range? Need help!!

Last post by DYI
Replies: 14
by halfsquelch » Fri Nov 09, 2007 2:38 am

First post

I have a quick question. I am making a tennis ball cannon and would like to find out how long I need to make the barrel to achieve maximum range. The...

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3,212.2 ft lbs of muzzle energy. Thats more than a ton and a half. I couldn't even hold on to that, and I am a big guy

If I'm right, then muzzle...

14 Replies

4404 Views

Last post by DYI
Fri Nov 09, 2007 9:05 pm
.40 cal Blowgun darts

Last post by Zen///
Replies: 7
by VH_man » Fri Nov 09, 2007 7:58 am

First post

Well, im looking into a new cannon and it seems as if making my own darts is tedious and annoying. i am willing to pay the extra money for...

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Ive not really ever used these darts but for a backstop i might suggest ballistics gel. If you have good aim, because i usually make it small and the...

7 Replies

2292 Views

Last post by Zen///
Fri Nov 09, 2007 7:08 pm
Double Shot (High Pressure Mini)

Last post by jackssmirkingrevenge
Replies: 78
by Novacastrian » Wed Oct 31, 2007 1:22 am
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Hey airheads, following on from the failure/stupidity of my last attempt to make a high pressure .50 calibre piston coaxial i decided to up the anti...

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I don't mind it to get the extra performance, but then again, just because I'm an efficiency Nazi, it doesn't mean everyone else has to be :)
78 Replies

27083 Views

Last post by jackssmirkingrevenge
Fri Nov 09, 2007 5:20 pm
help with coaxial

Last post by shud_b_rite
Replies: 8
by bob-a-lu » Thu Nov 08, 2007 8:48 pm

First post

for my sealing face could i use a whoopie cushion?

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Go to a tire shop they should be able to give you some inner tubes for free. Stuff paying $15. Me and my mates when to one and got 6 huge second hand...

8 Replies

2423 Views

Last post by shud_b_rite
Thu Nov 08, 2007 11:54 pm
My first.......working.....piston cannon

Last post by SpudUke5
Replies: 14
by SpudUke5 » Wed Oct 31, 2007 2:53 pm

First post

Well it has finally come down to this. Its almost done. I got the cannon working....finally. This was my third try at a barrel sealing piston cannon...

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well i think im happy for now. I dont know where i can get o-rings. But it should be pretty easy to take a hobby knife and just cut some grooves into...

14 Replies

6279 Views

Last post by SpudUke5
Thu Nov 08, 2007 10:49 pm
Huge Piston Valve

Last post by SpudUke5
Replies: 11
by patton » Tue Nov 06, 2007 11:00 pm

First post

Has anyone tried to make a pisotn valve out of a 6 Tee Joint. What do you all think will happen?

Last post

o well :oops: , you get my point :D

11 Replies

3980 Views

Last post by SpudUke5
Thu Nov 08, 2007 10:46 pm
air flow ristriction

Last post by octane89
Replies: 3
by elitesniper » Wed Nov 07, 2007 5:48 pm

First post

um if i put a small line at the bottom of my barrel so the my projectile dusnt fall into the sprinkler valve thingy dus the line that i put affect...

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Use Piano wire. I have used it before but on a differnet application, but it is simple. Make a small hole, slide the wire thru both holes and bend it...

3 Replies

1312 Views

Last post by octane89
Thu Nov 08, 2007 10:22 pm
first piston with o-rings

Last post by spudgunnerwryyyyy
Replies: 20
by spudgunnerwryyyyy » Sun Oct 28, 2007 10:39 pm
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Ok, this goes in my piston valve here
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and it is 1 1/2 pvc half filled with epoxy for strength, it has 1/8 nylon reinforced neoprene as a sealing...

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Ok, tested again with some 1 1/4 ammo and i can penetrate both sides a a storage shed. The projectile did not stop but emeded it self into the dirt...
20 Replies

5336 Views

Last post by spudgunnerwryyyyy
Thu Nov 08, 2007 9:46 pm
Simple Semi-Auto Paintball rifle

Last post by williamfeldmann
Replies: 38
by keep_it_real » Tue Feb 06, 2007 12:18 am
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I'm pretty happy with it. The hopper kinda sucks so I'll probably figure out something else. I can get about 6 shots before I have to pump it up...

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You kicked up a old thread, but since you gave faulty information, I must correct you.

Co2 isn't really that cold that it would break the PVC.
CO2...
38 Replies

22526 Views

Last post by williamfeldmann
Thu Nov 08, 2007 2:04 pm
Sicaflex Piston?

Last post by jackssmirkingrevenge
Replies: 10
by Mitchza89 » Wed Nov 07, 2007 2:48 am

First post

Howdy spudders.

I wanna make a new piston for my bb gun. The hot glue is giving me the shites, I'm constantly having to lube it up otherwise it...

Last post

:oops:

edited.

10 Replies

3318 Views

Last post by jackssmirkingrevenge
Thu Nov 08, 2007 8:35 am
shock pump

Last post by jackssmirkingrevenge
Replies: 9
by elitesniper » Tue Nov 06, 2007 10:21 pm

First post

uh yea i have aa question may be a nnooobie question but what is so good bout a shock pump? what advantages dus it have over regullar pumps?

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would be good to add that as an on board pump? :D

It takes a bit of effort to take it to higher pressures so I find it needs to be rested on a hard...

9 Replies

4035 Views

Last post by jackssmirkingrevenge
Wed Nov 07, 2007 11:47 pm
Breech loading Mechanisms

Last post by goathunter
Replies: 13
by TheTrooper » Wed Nov 07, 2007 6:28 pm

First post

I just want to see some of the ways to make a breech loading pneumatic gun
because when i searched for it i came up with nothing. I want to see a...

Last post

Well I've been gone for a while but I'm back....worthless computers!

Any how here is mine:

Don't worry guys, I've got the next gen of break open...

13 Replies

5006 Views

Last post by goathunter
Wed Nov 07, 2007 11:12 pm
chamber size?

Last post by Eddbot
Replies: 14
by fpshutch74 » Tue Nov 06, 2007 9:04 am

First post

im gonna make an air cannon for paintball. i was planning to make it with a two and half foot long 2in pvc chamber. but with winter coming up im...

Last post

okey dokey...artichokey

don't ask...

14 Replies

4969 Views

Last post by Eddbot
Wed Nov 07, 2007 7:46 pm
CO2 Regulators

Last post by Hubb
Replies: 1
by acoop101 » Wed Nov 07, 2007 2:37 pm

First post

I am looking for a way to regulated a 20 oz CO2 tank intended for paintball. I have a way to tap into the tank by use of a remote. I also have a CO2...

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If you are referring to NPT threads, they are generally 1/8 . If you are referring to the threads on the tank, well they are ASA and require an...

1 Replies

1560 Views

Last post by Hubb
Wed Nov 07, 2007 5:47 pm
Anti Elephant Airsoft Rifle

Last post by Ragnarok
Replies: 47
by Mitchza89 » Sat Nov 03, 2007 10:18 pm
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This is my best mates new rifle. He wanted one ever since I showed him my airsoft pisser-offer-er. He had a rough idea of what he wanted so I came up...

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I was told once I should shoot competitively, as I had just managed to shoot a 2 MOA shot group at 10 yards (easily fitted under a 5p coin*), and I...
47 Replies

12204 Views

Last post by Ragnarok
Wed Nov 07, 2007 11:22 am
2 Liter bottle Cannon

Last post by cannons-go-boom
Replies: 35
by cannons-go-boom » Sat Nov 03, 2007 4:30 pm
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My question is, How many psi can a 2liter bottle hold?

I have a bike Tire valve on a 2liter bottle, then the 2liter has a barrel on it.

Air...

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Yeah I usually take the rockets to about 120 - 135 psi.
So about 50 - 80 psi wont hurt. I could just switch out the bottle every now and then to be...
35 Replies

12858 Views

Last post by cannons-go-boom
Wed Nov 07, 2007 9:06 am
Spring Loaded Ball Valve?

Last post by watto
Replies: 2
by watto » Wed Nov 07, 2007 3:22 am

First post

Has anyone seen plans on how to make a ball valve that opens with elastic or something? Ive seen pneumatically opened ones and stuff but I want a...

Last post

you could probley figure it out from there

perfect thanks

2 Replies

2127 Views

Last post by watto
Wed Nov 07, 2007 3:38 am
"El Duelce" T-Shirt Launcher

Last post by gwoloshyn
Replies: 32
by patton » Sun Nov 04, 2007 12:45 am
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After i had made my first t-shirt launcher i was not ready to call it quits yet so i re-designed my new cannon around the larger 2 piston valve. here...

Last post

NSF = National Sanitation Foundation

Nice cannon
32 Replies

10599 Views

Last post by gwoloshyn
Wed Nov 07, 2007 12:20 am
Upgraded Pneumatic Marble Sniper

Last post by Mitchza89
Replies: 55
by Mitchza89 » Thu Feb 22, 2007 8:10 pm
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Hey guys, this is my second Pneumatic. I only just build it so at the momment it looks quite Ghetto without a decent paintjob and an overall clean up...

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Yeah it sure did. I filed the old thread off the bottle and screwed on the ball valve with brute force. That in return, cut a new thread into the...
55 Replies

26305 Views

Last post by Mitchza89
Tue Nov 06, 2007 10:42 pm
Air Tank psi?

Last post by Rogue
Replies: 9
by elitesniper » Fri Oct 26, 2007 11:09 pm

First post

does anyone know how much psi a supersoaker tank could hold becuase i it would look pretty cool on a penumatic :D

Last post

sandman does have a point :D

9 Replies

3654 Views

Last post by Rogue
Tue Nov 06, 2007 10:02 pm
schrader valve+epoxy?

Last post by spudgunnerwryyyyy
Replies: 14
by Eddbot » Mon Nov 05, 2007 8:32 pm

First post

hey, was having trouble finding a schrader with threads and was getting bored so i cut one off an old bike tube, sanded off all the rubber, and was...

Last post

yeah, but every epoxy has its purpose. The thick stuff is for something different.

14 Replies

4254 Views

Last post by spudgunnerwryyyyy
Tue Nov 06, 2007 9:25 pm
Sprinkler Valve Mod

Last post by sandman
Replies: 13
by ShowNoMercy » Mon Nov 05, 2007 1:10 pm

First post

Now before you freak out and scream to look at wiki and use the search button, I have a question on modding a sprinkler valve that I cant find the...

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lol, took me bout a week to figure out why mine wasnt working so im glad i could hep you

13 Replies

3132 Views

Last post by sandman
Tue Nov 06, 2007 5:58 pm
First Pneumatic Launcher

Last post by seudo411
Replies: 26
by blackosprey » Sat Nov 03, 2007 2:31 am
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Hey I'm about to build my first pneumatic launcher, and I had a few questions. First topic by the way, although I've posted once or twice.

What I...

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The remote line is not necessary but the macro lines are it carries unregulated co2 from the on/off to the regulator. Have a look at the following...
26 Replies

9174 Views

Last post by seudo411
Tue Nov 06, 2007 1:24 pm
Confetti cannon design

Last post by jimmy101
Replies: 13
by Plinker » Sun Nov 04, 2007 1:34 am

First post

So my friend is DJing a party on New Years and I've been commisioned to build a confetti cannon for the event. What I want is a twin barrel system...

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The sabot would need slits cut into it to open up on leaving muzzle however, otherwise all you'll have is a cup full of confetti hitting the...

13 Replies

7203 Views

Last post by jimmy101
Tue Nov 06, 2007 10:57 am
Any good tutorials for making a piston or supah valve

Last post by Pyro Ninja
Replies: 8
by carl1864 » Mon Nov 05, 2007 1:08 am

First post

I'm making my first pneumatic spud gun (made many combustions before), and I want to do it right the first time. What I want to use is a piston or...

Last post

This may help.......if you know how they work then they are a lot easier to make (right)

8 Replies

4135 Views

Last post by Pyro Ninja
Tue Nov 06, 2007 2:05 am

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