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

843703 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

418043 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

352530 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

596723 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

317879 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

74380 Views

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

Topics

my super simple tennis ball cannon will it work?

Last post by jjk92
Replies: 13
by newkidspudster » Sat Feb 03, 2007 2:04 pm

First post

ok, this is it from butt to nose,a 2and 1/2 inch endcap then a 1 foot piece than has a tire valve in it and a ball vaulve hooked onto it,then just a...

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im not saying that they dont i was just trying to clear it up for anybody sitting there going ? there not reusable

13 Replies

5465 Views

Last post by jjk92
Fri Feb 09, 2007 3:11 pm
Need help picking a name!!

Last post by Brian the brain
Replies: 17
by Brian the brain » Mon Jan 15, 2007 3:54 pm
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I'm going to start work on a new overkill cannon this week.
It will be a barrel sealing piston valve, with a special excaust piece that closes the...

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I have now made my very own QEV, capable of handling pressures over 23 bar.
I basicly moved the barrel port inwards and replaced the piston by a...
17 Replies

4716 Views

Last post by Brian the brain
Fri Feb 09, 2007 1:23 pm
I might be retarded buuuuut...

Last post by Insomniac
Replies: 24
by imforcedtodothis » Thu Feb 08, 2007 7:47 pm
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i still need to figure which side the inlet is. im guessing its the side with the red plug... any idea, anyone?

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Well I think the inlet is the red plug, and the outlet is the barb. You can see where the gas is ment to flow in the second pic, and seeing as its...
24 Replies

10045 Views

Last post by Insomniac
Thu Feb 08, 2007 11:53 pm
I need help - first air cannon

Last post by frankrede
Replies: 11
by fpshutch74 » Wed Feb 07, 2007 4:10 pm

First post

Hey,
Im planning to make a pvc air cannon for paintball. I already have a female paintball regulator that i use for my bb machine gun that i made a...

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Thye have this stuff at hardware stores and its called expanding foam or something, I think its used for house insulation or something.

11 Replies

2608 Views

Last post by frankrede
Thu Feb 08, 2007 9:50 pm
3/4" or 1" Rainbird

Last post by cgpro856
Replies: 3
by cgpro856 » Thu Feb 08, 2007 8:23 pm

First post

Hello All,

I'm looking to mod one of my air cannons from a ball valve to a sprinkler valve. I cant find a valve locally so I have to order one...

Last post

Thanks guys. two cp-075's on their way....

3 Replies

2409 Views

Last post by cgpro856
Thu Feb 08, 2007 9:20 pm
My plans for a semi auto paint ball launcher

Last post by BC Pneumatics
Replies: 14
by alextheametuer » Tue Feb 06, 2007 5:27 pm

First post

these are some basic drawing if you are connfused about someting please tell me some of the pictures you have to click on to see themm correctly tell...

Last post

You should read more carefully in the future, or you will end up on thin ice.

14 Replies

5782 Views

Last post by BC Pneumatics
Thu Feb 08, 2007 8:14 pm
My first shot at a pneumatic

Last post by Legendpilot
Replies: 4
by Legendpilot » Wed Feb 07, 2007 9:36 pm

First post

When I first found this site, I was in awe of the raw power and super loud sound I was getting from my first combustion gun. I made mention of this...

Last post

Thanks for the kind words.

Whats the primary ammo?

Well I found some very hard acrylic plugs for accents in a bathroom faucet. The faucet came...

4 Replies

1623 Views

Last post by Legendpilot
Thu Feb 08, 2007 6:05 pm
1.5-1 and 1-.5 reducers

Last post by nicholai
Replies: 5
by mopherman » Wed Feb 07, 2007 9:04 pm

First post

i couldnt find them at my local home depot and the worker dude wasnt any help. Are these normaly such a rarity? Any other parts I could use in the...

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yeah those are pretty common at home cheapo (or at least a coupling and flush bushing)

5 Replies

2209 Views

Last post by nicholai
Wed Feb 07, 2007 10:29 pm
Basic spud gun design

Last post by Killjoy
Replies: 15
by adude » Wed Jan 03, 2007 6:17 pm
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hahaha it pretty good i done tests but haven't built yet.

Last post

*Cough* Edit button *Cough*
15 Replies

6305 Views

Last post by Killjoy
Wed Feb 07, 2007 9:50 pm
1" Ball Valve

Last post by ballad of NJ
Replies: 4
by LGM » Wed Feb 07, 2007 6:23 pm

First post

My first coaxial has been sitting in my garage unused for some time now because I have never been able to succesfully fire it. I know this is because...

Last post

you ned better funding

4 Replies

1198 Views

Last post by ballad of NJ
Wed Feb 07, 2007 7:55 pm
Second Cannon Ever

Last post by igotoneforya
Replies: 19
by igotoneforya » Wed Feb 07, 2007 1:52 pm
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This is my second cannon I ever built. Its all SCH 40 Propane metered with dual spark ignition. I will be upgraded to Stun gun ignition. Its hard to...

Last post

Yes i am using two sparks. This ignitor works great.
19 Replies

9988 Views

Last post by igotoneforya
Thu Feb 08, 2007 10:32 pm
Would this design work?

Last post by LGM
Replies: 11
by Cojaro » Mon Feb 05, 2007 8:50 am

First post

I was just wondering. The picture should be self-explanatory.

Blue = air @ 110psi
Red = air @ 120psi

Last post

There isn't a greater pressure in the main chamber, it's the same. The piston is held on by the vacum created by the unpressurized barrel.

11 Replies

5695 Views

Last post by LGM
Wed Feb 07, 2007 6:27 pm
6" pipe

Last post by VH_man
Replies: 4
by VH_man » Tue Feb 06, 2007 10:00 am

First post

My new lowes sells 6 pipe, but i noticed it had a VERY low pressure rating, about 90 PSI. i was wondering how people make air chambers with this...

Last post

Yeah mine is Schd 40, and the schd 80 stuff is like 300 bucks for 8 feet and mcmaster..... not to mention the pressure rated fittings

4 Replies

1713 Views

Last post by VH_man
Wed Feb 07, 2007 6:01 pm
paintball cannon

Last post by dippydodo03
Replies: 14
by dippydodo03 » Mon Feb 05, 2007 3:17 pm

First post

this is my first spud gun. I'm going to use it in paintball soon.(i hope)

it is a very basic design. it has a 3''x2' chamber, a 2'' ball valve, and...

Last post

not going to put a solenoide on it. it works for what i need it for. :x

14 Replies

5643 Views

Last post by dippydodo03
Wed Feb 07, 2007 4:46 pm
bowlingball/basketball pneumatic cannon anybody try it?

Last post by frankrede
Replies: 10
by audioman81 » Wed Jan 31, 2007 5:01 pm

First post

I have searched quite a bit and found a couple people try it and give up on the idea with no reasons as to why. I have made quite a few combustion...

Last post

sgort made a big ass gun that could fit a basketball if I am not mistaken. But his was combustion.

10 Replies

3686 Views

Last post by frankrede
Tue Feb 06, 2007 10:36 pm
pnuematic battery cannon

Last post by A-98
Replies: 10
by monkeyfreakster » Tue Jan 02, 2007 10:13 am

First post

this is my uber like flippin sweet battery cannon!!!!! it shoots aa batteries way out of sight and also shoots mini marshmallows and baby carrots...

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Well, they might crumple, but even if they did they would not leak acid because they are dry cell batts and have a reactive paste(i used to play with...

10 Replies

4092 Views

Last post by A-98
Tue Feb 06, 2007 8:30 pm
my new plans

Last post by Hotwired
Replies: 6
by unisonmind » Tue Feb 06, 2007 12:51 pm

First post

ok so im going for around 300psi on this one. so do you think it will work to put 2 150 psi QEV's or will the QEV's not hold the load evenly

Last post

QEV's can actually handle 300psi anyway

At least this type can:

Thats no guarantee that the QEV types where you are will take that pressure though.

6 Replies

1919 Views

Last post by Hotwired
Tue Feb 06, 2007 6:57 pm
my newest gun

Last post by Pneumatics
Replies: 14
by Pneumatics » Sat Feb 03, 2007 1:54 pm

First post

i have alot of changing to do on it still but heer is the basic cannon. its pritty powerfull but ive only took it up to 40 psi.
heres my gun i plan...

Last post

o ya and those are dogs behind the gun. my german shepard had puppies like 4 weeks ago.

14 Replies

5129 Views

Last post by Pneumatics
Tue Feb 06, 2007 10:08 am
metal on metal threads leak

Last post by Hotwired
Replies: 15
by keep_it_real » Sun Feb 04, 2007 1:15 am
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should I lubricate the metal on metal threads with petroleum jelly to stop them from leaking? Is this a common problem?

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2 layers of gas tape work for me.

That and a bath of water or a water butt to check for bubbles.
15 Replies

5891 Views

Last post by Hotwired
Tue Feb 06, 2007 6:10 am
My gun

Last post by Insomniac
Replies: 7
by Insomniac » Tue Jan 23, 2007 2:34 am

First post

Here's my gun, it's made from poly pipe threaded fittings with a 1.25L soda bottle as the chamber. It has a 3/4 inch ballvalve (might upgrade to a...

Last post

Yeah, but I really don't want it to burst. It works fine with 80, and if I want it to be more powerfull I'll just upgrade the valve.

7 Replies

2071 Views

Last post by Insomniac
Tue Feb 06, 2007 2:42 am
help with gun optimization

Last post by A-98
Replies: 1
by A-98 » Mon Feb 05, 2007 8:39 pm

First post

hey, i dont have acess to GGDT and even when i do, im no master with it.

i wanted any input on optimizations for my gun, such as slight increade in...

Last post

in case your wondering this is related to the mini-mega-launcher topic

1 Replies

924 Views

Last post by A-98
Mon Feb 05, 2007 10:05 pm
witch sprinkler valve???

Last post by ballad of NJ
Replies: 22
by mopherman » Sat Feb 03, 2007 8:26 pm
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Hey, ive been using ball valves for my last guns but now i want to upgrade. IM going to home depot tomorrow. IS the any kind of sprinkler valve thats...

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mopher your not going to beat me repeat not! o and i need help looking for a good air chamber
22 Replies

6141 Views

Last post by ballad of NJ
Mon Feb 05, 2007 7:22 pm
Puctured Burst Disk

Last post by LGM
Replies: 3
by LGM » Mon Feb 05, 2007 2:49 pm

First post

Would a burst disk with a hole puched in it while under pressure burst as fast as one that goes from pressure alone?

Last post

I saw the QCTBDC today and I have been planning something similar for the last day or two, I want to enter it in the spudshot competition.

3 Replies

1335 Views

Last post by LGM
Mon Feb 05, 2007 4:53 pm
gas efficent semi bolt

Last post by iknowmy3tables

by iknowmy3tables » Mon Feb 05, 2007 4:00 pm

I thought of this bolt system, I don't know if I've seen something similar, but can't find now. but hear is a gas acuated auto loading mechanism, its...

0 Replies

2033 Views

Last post by iknowmy3tables
Mon Feb 05, 2007 4:00 pm
(NEW PICS)schmanman's sniper rifle

Last post by schmanman
Replies: 76
by schmanman » Thu Jan 11, 2007 5:38 pm
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ok, well, it is my bb rifle, but with a different chamber (bigger actually), a stock (obviously), a scope, and a longer barrel, sleeved to make it...

Last post

geez... how cold is it there durring winter?
76 Replies

31903 Views

Last post by schmanman
Mon Feb 05, 2007 2:36 pm

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