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

1672397 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

756117 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

983556 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

1166512 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

467115 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

131672 Views

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

Topics

qev

Last post by MrCrowley
Replies: 1
by bob-a-lu » Sun Dec 02, 2007 9:27 pm

First post

where do i get a QEV? i have no freakin clue where to get one someone please help me.

Last post

www.mcmaster.com

Read my PM.

1 Replies

1100 Views

Last post by MrCrowley
Sun Dec 02, 2007 9:28 pm
Solinoid voltage capacities

Last post by Carlman
Replies: 4
by Carlman » Sun Dec 02, 2007 11:56 am

First post

hi all,

i have an unmodded 25mm solinoid valve, i also have 3 9.6v 650mAh rc batteries. hooking them together gives 28.8v of current. My question is...

Last post

thnx for the replies.

Ragnorok: Thnx for the heads up, i know a little about electronics in the way of how to do the hands on stuff but dont really...

4 Replies

1898 Views

Last post by Carlman
Sun Dec 02, 2007 8:50 pm
Back to Basics

Last post by PVC Arsenal 17
Replies: 17
by PVC Arsenal 17 » Sat Nov 24, 2007 6:14 pm
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I recently bought a sh*t ton of saddle tees to use as barrel supports for two more tennis ball guns I will be making. I ended up with a couple extra,...

Last post

Here is a pic with the 1.5 barrel attached:

And a video of it shooting a nerf ball. Someone asked how I hold the gun. Hopefully the video...
17 Replies

7251 Views

Last post by PVC Arsenal 17
Sun Dec 02, 2007 4:59 pm
Where to get Sch40 2.5 Inch PVC pipe and Fittings?

Last post by daberno123
Replies: 10
by socoj2 » Fri Nov 30, 2007 10:42 am

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I need about 6 feet of 2.5 inch sch40 Pipe. NOBODY has this stuff locally

I also need 2x 2.5 Inch Flanges and and a 2.5 inch T

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sells 2.5 pvc and fittings
gets to you fast if you're near ohio

10 Replies

10291 Views

Last post by daberno123
Sun Dec 02, 2007 2:34 pm
200 BAR / 2900 PSI gun

Last post by POLAND_SPUD
Replies: 45
by Infernal Maveric » Sun Nov 25, 2007 3:48 pm
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I have my eye on an air rifle pump that can achieve 200 BAR/2900PSI and was wondering if there is anything commercially available (for not too much)...

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yeah maybe... but you can use it whole day and it gives you more time. I can connect the compressor to the gun and go search for some ammo and load...
45 Replies

14941 Views

Last post by POLAND_SPUD
Sun Dec 02, 2007 8:23 am
Help with piston

Last post by MrCrowley
Replies: 9
by Hubb » Sat Dec 01, 2007 5:33 am

First post

On my newest design, I am wanting a tee piston, however, I want to add pipe to all sides of the valve. Is there a recommended way to do this fairly...

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Probably not, but you can loose some pilot volume with a big bumper.

9 Replies

1354 Views

Last post by MrCrowley
Sat Dec 01, 2007 7:17 pm
Cold weather

Last post by BigGrib
Replies: 5
by xboxteen01 » Fri Nov 30, 2007 8:06 pm

First post

i realize that pneumatic guns are not to be used in extreme cold weather situations, but is there any range of temps that it should not be used in?...

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if you're not firing it it's just sitting there it should be fine

5 Replies

2072 Views

Last post by BigGrib
Sat Dec 01, 2007 6:36 pm
Hello citizens im new here and i want some help

Last post by SpudUke5
Replies: 16
by Mr. Beaver » Fri Nov 30, 2007 6:16 pm
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now i never built a potato gun (yet) and im looking to build something small pneumatic that i could use a bike pump to use it, and im looking to use...

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I was just saying that because it your original post sounded like you didnt know really what a pneumatic was.

Anyway, you can try the capgun. One...
16 Replies

5999 Views

Last post by SpudUke5
Sat Dec 01, 2007 2:52 pm
firebird sprinkler valve question

Last post by jimmy101
Replies: 2
by Greazy_Monkey » Fri Nov 30, 2007 7:18 pm

First post

hey i have a pnuematic potatoe cannon with one of these and cant find anywhere that will tell me how much pressure i can use. ive been using 120psi...

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I think for a standard sprinkler solenoid valve you are probably officially limited to no more than 120 PSIG, and even that is probably pushing it a...

2 Replies

844 Views

Last post by jimmy101
Sat Dec 01, 2007 12:16 pm
realy long paintball cannon

Last post by Maniac
Replies: 18
by spudling » Fri Nov 30, 2007 10:19 pm
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this is my attempt in many fields for a pneumatic. i assure you i've made many pneumatics before but was to lazy to post them but i had free time for...

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nice cannon man i love it needs a paint job bad though
18 Replies

6422 Views

Last post by Maniac
Sat Dec 01, 2007 12:14 pm
another GGdt question

Last post by EGOed
Replies: 12
by iknowmy3tables » Wed Nov 28, 2007 4:58 pm

First post

I finally installed ggdt, because recently my dad didn't log out his xp account and I gave my self administrator privileges, he never has time to get...

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LOL...I forget sometimes guys are on a budget , I never let money get in the way of my projects when I am determined to get something done.....Yes...

12 Replies

6033 Views

Last post by EGOed
Fri Nov 30, 2007 3:22 pm
piston surface area?

Last post by Biopyro
Replies: 4
by mopherman » Thu Nov 29, 2007 10:42 pm

First post

I know i probably should know this, but does anybody know how much available surface area a piston has to have for it to actuate? I only have 1/8 of...

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I have a problematic (unfired) piston valve which has very little surface area. I haven't yet worked out if the problems are due to the polymorph...

4 Replies

2559 Views

Last post by Biopyro
Fri Nov 30, 2007 1:54 pm
Triggered burst disc question.

Last post by jimmy101
Replies: 7
by thespeedycicada » Sat Nov 24, 2007 1:15 am

First post

Im really sorry if there is an easy answer to this but i searched and didnt find anything about this although im sure i read about it once i just...

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I was wondering if there would be a noticable performance increase if you put a burst disc in front of say a ball valve or even a sprinkler.
Maybe,...

7 Replies

2375 Views

Last post by jimmy101
Fri Nov 30, 2007 11:46 am
Heres My Plans. Finally

Last post by BrodMan
Replies: 6
by BrodMan » Thu Nov 29, 2007 7:44 pm

First post

Heres my plans. Hope the link works. Youll notice i said some kind of fill valve, and cap, and i was wondering if you could help me with that. Well...

Last post

Try and put the sprinkler valve horizontal behind the barrel to avoid the dead space in the elbow.

thats what i was going to do, but i screwed up,...

6 Replies

2204 Views

Last post by BrodMan
Fri Nov 30, 2007 7:04 am
Heres a little video of my first piston gun

Last post by watto
Replies: 16
by watto » Thu Nov 29, 2007 2:45 am
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What do yous reckon

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Indeed I am Australian, I beleive kiwis also measure in mm though :wink:

The song is called 'Teacher, Teacher' by slick rick from his 1988 album...
16 Replies

4484 Views

Last post by watto
Thu Nov 29, 2007 8:23 pm
Modding a blowgun

Last post by BigGrib
Replies: 3
by BigGrib » Thu Nov 29, 2007 12:35 pm

First post

Ok so check this out i decided to take my blowgun trigger and moddify it for easier mounting. it is a 90 degree forward facing exhaust and it has a...

Last post

i'm going to have the aluminum plate tig welded to the top of the blowgun housing

3 Replies

1713 Views

Last post by BigGrib
Thu Nov 29, 2007 7:54 pm
Safe Sch40 Operation Below Freezing?

Last post by MrCrowley
Replies: 8
by xequa » Wed Nov 28, 2007 11:58 am

First post

Hey folks, here's a Minnesota question for you. Today It's gonna be a high of 22 degrees. If I were to operate my spudgun today, would I be in...

Last post

In any case, I have a suggestion for improving the search engine. Create support for tags. Your text search is fast and immense, but it's too...

8 Replies

3560 Views

Last post by MrCrowley
Thu Nov 29, 2007 7:33 pm
The Last Gun.....

Last post by Mitchza89
Replies: 64
by Mitchza89 » Tue Nov 13, 2007 5:55 am
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G'day guys,

This is the the gun I spoke about in my 8mm pistol page. It's the 8mm rifle. I only finished about an hour ago and only let off 2 shots...

Last post

Not a problem at all mate, Glad to help :D.
64 Replies

22737 Views

Last post by Mitchza89
Thu Nov 29, 2007 6:49 pm
Ready to build my cannon?

Last post by paaiyan
Replies: 5
by furball » Thu Nov 29, 2007 4:11 am

First post

I've done a few good weeks research and I think I'm ready to build a PVC/QEV copper cannon. I was hoping to build a bolt action sniper rifle that...

Last post

Wait, PVC/copper? Dude pick one. And if you don't know what materials you need, well, you haven't done your research then, because that's what...

5 Replies

2298 Views

Last post by paaiyan
Thu Nov 29, 2007 12:54 pm
water pistol

Last post by carter
Replies: 11
by carter » Wed Nov 28, 2007 7:05 am

First post

coming up to summer. so i thought why not make a kick A*#e water pistol.
i'm just wondering what would be the best way to make it. i have thought...

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good ideas. i want it portable but powerful. i was thinking bout using rechargable cannisters. and i want a bit of fun down the beach impress the...

11 Replies

3293 Views

Last post by carter
Thu Nov 29, 2007 6:26 am
help with first piston valve

Last post by spudgunnerwryyyyy
Replies: 11
by BoxOfSpuds » Sun Nov 25, 2007 11:26 pm

First post

I have been working on my first piston valve.its been an on and off project for a couple of months. i cant seem to get it to work. its a Barrel...

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Just a comment mr crowley is the god of teaching noobs how to make a piston valve. he helped me and countless others.

listen to him, most of his...

11 Replies

3763 Views

Last post by spudgunnerwryyyyy
Thu Nov 29, 2007 12:44 am
BLK HrNT

Last post by Lftndbt
Replies: 11
by Lftndbt » Tue Nov 27, 2007 6:49 am

First post

removed as this device is no longer in constructed nor exists.

Last post

[...

11 Replies

6087 Views

Last post by Lftndbt
Wed Nov 28, 2007 3:39 am
simple semi auto bolt

Last post by Hawkeye
Replies: 9
by homedepotpro » Tue Nov 27, 2007 12:21 am

First post

this is a prototype for a design i just been thinking about lately. I was originally designed for paint balls but i had this pipe laying around so i...

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I would think it would be beneficial to work the optimum flow restriction into a homemade paintball repeater if it means conserving air and limiting...

9 Replies

4752 Views

Last post by Hawkeye
Tue Nov 27, 2007 8:00 pm
some questions about my first pneumatic sniper.

Last post by BigGrib
Replies: 9
by Bullit » Thu Nov 22, 2007 2:33 pm

First post

Ok ive made a combustion gun , its cool its fun and its easy. Thats where it goes wrong it was easy. I impress my friends and having a great time...

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Hey Bullit go down to your local hardware store and get a blowgun, that will definatley be ehough to trigger your QEV, and as far as your dad not...

9 Replies

3762 Views

Last post by BigGrib
Tue Nov 27, 2007 6:12 pm
Piston Valve Design

Last post by jackssmirkingrevenge
Replies: 21
by daberno123 » Sun Nov 25, 2007 7:59 pm
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This is the design I came up with for a valve on my cannon after getting the basic principals down about a piston valve. The design was based on the...

Last post

Technically speaking, dual valves doubles the rate of flow increase, and would be equivalent to a faster opening valve, but just how much difference...
21 Replies

6251 Views

Last post by jackssmirkingrevenge
Tue Nov 27, 2007 12:00 pm

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