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

930210 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

453650 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

471930 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

639593 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

332801 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

80483 Views

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

Topics

select fire auto-piston design

Last post by iknowmy3tables
Replies: 6
by iknowmy3tables » Wed Mar 24, 2010 6:58 pm

First post

so auto pistons are nice, but I was thinking what if the piston could also be used as a trigger valve. if the pressure input was regulated to just...

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I just don't get it. I can see that pulling either trigger will fire the gun but, what is going to reseat the piston after the Auto Trigger is pulled...

6 Replies

2713 Views

Last post by iknowmy3tables
Fri Mar 26, 2010 12:23 pm
air rifle in movie.

Last post by POLAND_SPUD
Replies: 11
by chinnerz » Thu Mar 25, 2010 1:34 am

First post

so i was watching this movie today called hell ride (kinda random) well any way, this film try to recreate 'Cowboys and Indians' fights/situations in...

Last post

Stop staring and change your pants

I must admit that it almost happened :D lol

anyway it's good to know that I am not the only person who thinks...

11 Replies

5749 Views

Last post by POLAND_SPUD
Fri Mar 26, 2010 9:17 am
500psi Bolt Action Rifle

Last post by chinnerz
Replies: 20
by Killjoy » Tue Oct 06, 2009 9:26 pm
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Hey there fellas! First I want to say sorry for being MIA this past year. College, girlfriend, and making money took up a lot more time then I...

Last post

way to kick up a post for no reason
20 Replies

16522 Views

Last post by chinnerz
Fri Mar 26, 2010 3:17 am
Hoses as good as hard pipe ?

Last post by MrCrowley
Replies: 5
by tatfree » Thu Mar 25, 2010 9:57 pm

First post

I am asking this because my project has to fit inside a certain size container and I'm just not sure I can get away with hard pipes and fittings.
I...

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McMaster.com #54595K37 - 1.5 hose, rated for 150PSI, no attachments, $8.56 per foot and you have to buy at least 5 feet as I understand it.
When you...

5 Replies

1374 Views

Last post by MrCrowley
Thu Mar 25, 2010 11:04 pm
Chamber sealing piston valve

Last post by MrCrowley
Replies: 4
by Chornbeak » Wed Mar 24, 2010 11:19 pm

First post

I made a cannon a couple months ago that had a piston valve, but my design was flawed and the valve failed on me. I am posting to see if someone can...

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Ah true, didn't notice that. I think there is at least 3 full tutorials on 2 housed pistons on the forum, all barrel sealers though. Shouldn't make...

4 Replies

1408 Views

Last post by MrCrowley
Thu Mar 25, 2010 4:49 pm
8ft Coaxial Shoulder Launched Golfball Cannon.

Last post by Mtrhd0024
Replies: 21
by Mtrhd0024 » Wed Mar 24, 2010 4:13 pm
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So I've been on this site for a long time now, but I was mainly a lurker as I never felt I had much of a cannon worth posting, so I'll make this both...

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I recommended you get rid of the clean out cap but you've been told enough and you've made your mind up. Personally I think one day it'll fly off, I...
21 Replies

9796 Views

Last post by Mtrhd0024
Thu Mar 25, 2010 12:57 am
Design opinion for pneumatic

Last post by Fish8myb8
Replies: 38
by Fish8myb8 » Mon Mar 22, 2010 7:39 pm
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Hello and thanks for viewing.
I'v been thinking about making a new pneumatic to take the place of my old one.
I wanted to have:
-Something that can...

Last post

Okay understood.
Thanks a lot for the help, Poland :)
38 Replies

10585 Views

Last post by Fish8myb8
Wed Mar 24, 2010 6:34 pm
My New Project

Last post by Crna Legija
Replies: 22
by sp1ke » Fri Mar 19, 2010 4:33 pm
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the TTP ( Tactical Target Pistol ) will be a 1/4 piston valve or qev pistol. I have spent most of my spring break thinking about it, drawing up its...

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would the homemade polystyrene be good to make pistons.
is it the same as petrol and polystyrene
22 Replies

8019 Views

Last post by Crna Legija
Wed Mar 24, 2010 1:21 am
delete please

Last post by jackssmirkingrevenge
Replies: 11
by tatfree » Sun Mar 21, 2010 12:06 am

First post

Delete please

Last post

Ebay has takin the California politics and cramed them into a big Auction site. No thanks, I live in the U.S not commie North Korea. Used to do a lot...

11 Replies

2801 Views

Last post by jackssmirkingrevenge
Tue Mar 23, 2010 8:11 am
Regulator Turned 1/4" Piston Valve

Last post by jackssmirkingrevenge
Replies: 16
by MrCrowley » Thu Mar 11, 2010 12:46 am
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I had a faulty air compressore regulator similar to this one:

So today I removed it, opened it up and realised I could make a sprinkler valve...

Last post

nice! great to see more and more people making their own parts, it would be a very stale hobby otherwise :)
16 Replies

5552 Views

Last post by jackssmirkingrevenge
Mon Mar 22, 2010 3:40 pm
Plans for first pneumatic

Last post by jackssmirkingrevenge
Replies: 10
by MasterBlaster » Sun Mar 21, 2010 6:16 pm

First post

Hi just putting down some plans for my first air gun
so here goes:

32mm union ball valve as the trigger

2mts of 32mm 10BAR pipe

2 90 degrees...

Last post

Bob , a slang term in Great Britain for certain currency, including the shilling

Bob ?

N i c o l e ! ! !

:roll: :D

10 Replies

3101 Views

Last post by jackssmirkingrevenge
Mon Mar 22, 2010 2:30 pm
need help with pneumatic launcher

Last post by nathan549
Replies: 4
by nathan549 » Mon Mar 22, 2010 11:23 am

First post

hey im new to the forums. i was just wondering in this picture how is the sprinkler valve connected to the chamber? and also wondering if instead of...

Last post

okay sweet. thanks alot for your help :D

4 Replies

622 Views

Last post by nathan549
Mon Mar 22, 2010 11:46 am
Blow gun valve max pressure?????

Last post by metalmeltr
Replies: 28
by hyperspaz » Wed Mar 17, 2010 8:21 pm
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Does anyone know how much pressure a typical blow gun valve can take???
THX! :lol:

Last post

forget that I ever said anything about dynamic pressure
I am begining to think that that was wrong.
however it does make sense that the valve could...
28 Replies

7569 Views

Last post by metalmeltr
Mon Mar 22, 2010 10:29 am
Improving performance on my Piston valve air cannon?

Last post by Technician1002
Replies: 19
by Metalcookie » Mon Mar 15, 2010 4:40 pm
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I recently built a 2 inch piston valve with 1 inch porting. The tank is screwed on via a 1 inch slip to thread adapter. I use a 1 inch srinkler valve...

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Having two places with the 1 inch restriction is bad. Think of them as in series. The one between the chamber and T can drop you delivered pressure...
19 Replies

8389 Views

Last post by Technician1002
Mon Mar 22, 2010 3:01 am
My first spud gun

Last post by chinnerz
Replies: 14
by Pax » Fri Mar 19, 2010 7:16 pm

First post

Pneumatic, single shot, pvc wonder

Cant give you much on the specs, Being i kinda just threw it all together, But it preforms rather well...

Last post

hahahah! ghetto award!!!! thats awesome!!

haha its got a can of wd 40 on it :D

14 Replies

5346 Views

Last post by chinnerz
Mon Mar 22, 2010 12:19 am
What is a hammer valve?

Last post by Patto
Replies: 22
by Gun Freak » Sat Mar 13, 2010 6:55 pm
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I've searched time and time again, and found nothing on the anywhere on the web... or the wiki... Are they the same thing as a poppet valve? What is...

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Here's what I am referring to: A Hammer travels in an arc; a striker travels in a linear path. Most of the valves we will deal with in our hobby...
22 Replies

7873 Views

Last post by Patto
Sun Mar 21, 2010 9:37 pm
Best design for a valve and Electronic Trigger.

Last post by velocity3x
Replies: 3
by socoj2 » Sun Mar 21, 2010 6:09 pm

First post

I need to have an inline valve that can handle up to 500 psi and a low volume of air.

I need to be able to trigger it by a 12v-24v DC solenoid....

Last post

I have CNC capability.

The field of high pressure / performance solenoids is somewhat sparse unless you use very expensive aerospace equipment like...

3 Replies

1607 Views

Last post by velocity3x
Sun Mar 21, 2010 9:37 pm
Tutorial for push button valve?

Last post by clemsonguy1125
Replies: 12
by Gun Freak » Sun Mar 21, 2010 2:03 pm

First post

I was wondering if there are any good tutorials on how to make a push button valve... I found a thread on here but it isn't that great. Thanks.

~Gun...

Last post

That design won't work because the brakeline isn't airtight with the pressurized part.
Thats why you put an oring on it, Ive tested it, it works,

12 Replies

4333 Views

Last post by clemsonguy1125
Sun Mar 21, 2010 7:05 pm
Double Acting Solenoid Valve?

Last post by spudtyrrant
Replies: 5
by spudkilla224 » Sat Mar 20, 2010 12:04 pm

First post

Hello everyone I'm in the process of improving X-inventions P.A.C. 6 semi auto air cannon, so it can fire semi auto rapidly; and full auto bursts....

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I would use a qev with a solenoid vent(since qev's are double acting ) it would be more powerful as well as more efficient. if you want to do away...

5 Replies

3238 Views

Last post by spudtyrrant
Sun Mar 21, 2010 9:40 am
Bunnings in oz

Last post by chinnerz
Replies: 8
by Crna Legija » Fri Mar 19, 2010 12:09 am

First post

i was at work to day at bunnings and was cleaning the irrigation supplies aisle and found the they sell nelly done piston valves all you need is a...

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.wow thats an awesome find!! Also nice work on working at bunnings. I wonder if they have that part at one of the 2 bunnings in the ACT... And at 11...

8 Replies

2044 Views

Last post by chinnerz
Sun Mar 21, 2010 7:59 am
kobalt reg questions

Last post by metalmeltr
Replies: 6
by Lockednloaded » Sun Mar 14, 2010 3:05 pm

First post

I have seen alot of people who use this regulator, but i need a little more information than the store provides.
Number 1: What pressure ranges does...

Last post

What is the maximum pressure that you can get out of one of these regulators?

6 Replies

2033 Views

Last post by metalmeltr
Sun Mar 21, 2010 7:22 am
semi/pump act' "shot gun" project

Last post by bradisfun
Replies: 2
by bradisfun » Sun Mar 21, 2010 3:53 am

First post

so bord got in class and started to draw up some ideas then in my next class i looked through them and thought that i might try this one

its...

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ahk thank i dont know what you mean by ventury though
thanks for the link i will try it out

EDIT: i finished i picture on paint i hope it makes...

2 Replies

1519 Views

Last post by bradisfun
Sun Mar 21, 2010 6:16 am
burst disc air gun

Last post by Lockednloaded
Replies: 13
by lasermaster3531 » Tue Jan 26, 2010 7:07 pm

First post

This is my first air cannon to go on spudfiles, but it is not the first one I have made. This gun uses aluminum foil burst discs in a cascade-failure...

Last post

I have tried it with 3 burst discs in each holder at a total if 100psi, and this thing can hurl a paper cone dart about half a mile or more.
That is...

13 Replies

10892 Views

Last post by Lockednloaded
Sat Mar 20, 2010 6:44 pm
Look what I picked up.....

Last post by deathbyDWV
Replies: 1
by Xerxys » Sat Mar 20, 2010 2:52 pm

First post

Been thinking about getting one of these for a while, and managed to pick one up for an ok price (read : 120$) Should be great for small spudding...

Last post

Looks cool. We will be waiting for you show us a new cannon! Or cannon part...

I just thought... Maybe we should make a thread specifically for...

1 Replies

1278 Views

Last post by deathbyDWV
Sat Mar 20, 2010 2:58 pm
fridge compressor help needed

Last post by Crna Legija
Replies: 28
by Crna Legija » Wed Mar 17, 2010 7:04 am
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hey guys i got my fridge compressor i tryed to keep it to gether as possible there was only one electrical cable that i cut it lead into the fridge...

Last post

yer i do have leaks but when i kink the hose it go to 180 super fast but the hose in 1mm id fan out of PTFE ill fix it tomorrow, surprisingly lock...
28 Replies

8982 Views

Last post by Crna Legija
Fri Mar 19, 2010 8:01 am

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Pneumatic Cannons

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