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...

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thank you for creating this website is there anything i can do to help
15 Replies

1207085 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

606623 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

859169 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

1022451 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

393337 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

100384 Views

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

Topics

First try at a pneumatic gun

Last post by psycix
Replies: 28
by jimschouster » Wed Feb 11, 2009 12:57 pm
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Hi All
This is my first attempt to make a piston type gun. I am using SCH80 and a 3” piston on a 2” barrow. I will be done with it by the end of the...

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Congratulations with your first gun! :D
Thats why I'm here, to help people!
28 Replies

11915 Views

Last post by psycix
Mon Mar 02, 2009 1:16 pm
SGS-AC

Last post by AegisAvenger
Replies: 5
by AegisAvenger » Wed Feb 25, 2009 3:57 am

First post

STANDARD GALVANIZED STEEL AIR CANNON!!

Here's a Galvanized Steel and Schedule 40 PVC cannon I made a few months ago!! It's got ugly welds and a...

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Too bad you have to cut it off at 100 psi.
I HIGHLY recommend switching to a metal piston valve with metal barrel so you'll be able to run it on WAY...

5 Replies

2743 Views

Last post by AegisAvenger
Sun Mar 01, 2009 6:36 pm
Slip Spigot Bushing For A Barrel-Sealing Pneumatic

Last post by mark.f
Replies: 1
by spudkilla224 » Sun Mar 01, 2009 12:57 pm

First post

Hello I am building a barrel sealing piston cannon, and i was wondering if a SCH. 40 PVC Slip Spigot Bushing has a ridge in it to stop the pipe from...

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Most people do that when building a barrel sealer. You just have to take your time, and use plenty of primer/cement.

1 Replies

1503 Views

Last post by mark.f
Sun Mar 01, 2009 1:55 pm
Leaky chamber

Last post by jrrdw
Replies: 3
by Biopyro » Sun Mar 01, 2009 10:12 am

First post

On my copper pnuematic the chamber has started leaking. It's a 3/4 BSP thread and I have used PTFE. It can only do another 1/2 turn before it is too...

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It can still be broken down while using the liquid thread tape, it just fills the gaps better, the down fall is the curing time. What isn't directly...

3 Replies

869 Views

Last post by jrrdw
Sun Mar 01, 2009 12:27 pm
Plans for Semi-Auto Golf Ball Gun?

Last post by jimschouster
Replies: 11
by jimschouster » Wed Feb 25, 2009 9:32 pm

First post

Hi
I have seen one Semi-Auto Golf Ball Gun, does anyone have any ideals? I would like to try to build one. Thanks

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i was shooting low but after i tryed it once i will take it to a field next to us once it dryes up a little. Was not smart move was not thinking....

11 Replies

4731 Views

Last post by jimschouster
Sun Mar 01, 2009 8:43 am
Multi-Shot Cannon - Questions on valves and Gauges

Last post by john bunsenburner
Replies: 10
by csgunner » Sat Aug 23, 2008 4:45 pm

First post

I haven't tried to make a multi-shot cannon before, and i have some questions.

First off, would this design work? I would close the valve to the...

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I highly recomend you invest into a QEV or piston valve if you are going to bother with HP.

@hubb(ster): Well you could have a large piston at the...

10 Replies

4030 Views

Last post by john bunsenburner
Sun Mar 01, 2009 4:44 am
bolt action propane powered

Last post by cardman625
Replies: 26
by cardman625 » Mon Aug 04, 2008 8:10 pm
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here's a gun i just finished up over the weekend

its a bolt action that fires 1inch wooden plugs by my guess at about 400 fps

Specs 1inch tank...

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The fitting had to be silver soldered, just the stem of a torch soldered to a half section of 1/4 inch pipe/threads i know they make fittings for the...
26 Replies

12449 Views

Last post by cardman625
Sat Feb 28, 2009 8:16 pm
Pneumatic Air Cannon C:B ratio?

Last post by Hotwired
Replies: 31
by Lokoyo » Sun Feb 22, 2009 7:25 pm
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I don't know if it's posted somewhere, so sorry if it already has.

What is the ideal Chamber to Barrel ratio?

My current C:B is 4:1 but I have a...

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As for the water balloons, the acceleration won't destroy them but the friction between the rubber and the barrel will tear them up if they're being...
31 Replies

10794 Views

Last post by Hotwired
Sat Feb 28, 2009 5:10 pm
BBMG Parts? Regulator?

Last post by MrCrowley
Replies: 8
by spudnutbutthut » Fri Feb 27, 2009 8:39 pm

First post

I want to make the simplest BBMG I can I was wondering If I could make it run on propane and what hoses and adaptors or whatever I would need to...

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Okay, Ill try it but what parts do I need to make it? All I know is that I have to have air go in the hopper and the bbs go out the barrel :(

What...

8 Replies

1916 Views

Last post by MrCrowley
Sat Feb 28, 2009 4:19 pm
piston weight

Last post by ALIHISGREAT
Replies: 1
by tape fist » Sat Feb 28, 2009 1:03 am

First post

Im just putting some final touches to my air cannon and i wanted to ask how heavy should a piston be?The reason i ask is because im using a socket...

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As light as possible... but you also need to do things like minimise pilot volume and the piston needs to seal well with the housing too.

1 Replies

4338 Views

Last post by ALIHISGREAT
Sat Feb 28, 2009 2:36 am
Some thoughts on automatics

Last post by THUNDERLORD
Replies: 44
by judgment_arms » Mon Apr 28, 2008 11:05 am
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Hey all,
I, like a lot of other people, am working on an automatic cannon and have compiled some interesting notes:

Gas operation:
First off,...

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Do like Smart Parts, if you can't get a good seal, use grease...

That's what I was thinking too!!

...Or is the gun used as a pilot?

The co2...
44 Replies

20085 Views

Last post by THUNDERLORD
Fri Feb 27, 2009 3:12 pm
Energy stored in compressed air

Last post by Solar
Replies: 35
by Biopyro » Tue Dec 30, 2008 10:27 am
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I am doing a physics project with my copper QEV gun, and part of it involves determining where the energy for the projectile comes from.
I need to...

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ok you nerds... I can't keep up with all the equation stuff, but I can answer one of the first questions in the authors post. Where does the energy...
35 Replies

10275 Views

Last post by Solar
Fri Feb 27, 2009 3:10 am
Preloaded Cartridge Prototype

Last post by Davidvaini
Replies: 89
by Davidvaini » Fri Jun 06, 2008 11:25 pm
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hey guys, I just finished my burst disk cartridge design yesterday and I thought i would post some pictures today. You may remember JSR trying to...

Last post

New project that incorporates my 3/4 shells:

link to the thread:
89 Replies

69613 Views

Last post by Davidvaini
Thu Feb 26, 2009 11:36 pm
My first piston powered pneumatic tater gun

Last post by tvouthilak
Replies: 15
by tvouthilak » Fri Oct 17, 2008 10:12 pm
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Hey all. New to the forum. I built my first combustion 'tato launcher about 5 years ago and thought it was time to step it up to the next level....

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Now build a remote control for the valve and you can make spudding history!

So...all in all, a great build.

Hmmm.... That's not a bad idea. I do...
15 Replies

8441 Views

Last post by tvouthilak
Thu Feb 26, 2009 10:46 pm
KopperBess - My first copper pneumatic

Last post by Big-E
Replies: 19
by Big-E » Tue Feb 24, 2009 7:20 pm
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Hello all, Here is my first submission to spudfiles. the KopperBess (Bess as in Brown Bess; Just another old term for a smoothbore) some folks were...

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sure, knock yourself out :)
19 Replies

7316 Views

Last post by Big-E
Thu Feb 26, 2009 4:55 pm
Pneumatic Coke bottle Noisemakers

Last post by Biopyro
Replies: 22
by Biopyro » Tue Feb 24, 2009 2:48 pm
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I've been experimenting a little since I got a bunch of schrader valves, pressurizing anything in sight, and I've found water bottles are fantastic...

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Trigun, it was about neither of those things but hey, don't forget that you have to have a valve in the bottle, which means recoil might damage it...
22 Replies

8218 Views

Last post by Biopyro
Thu Feb 26, 2009 3:34 pm
block it?

Last post by tape fist
Replies: 3
by tape fist » Thu Feb 26, 2009 1:26 am

First post

Ive been planning on making this air cannon over the weekend and keep on contemplating weather or not to block off my stock or keep it as is.will...

Last post

Thanks for your help,Im thinking of a better design for a stock or i might just give it a handle.

3 Replies

1646 Views

Last post by tape fist
Thu Feb 26, 2009 1:53 am
130g CO2 cartridge question...

Last post by Gippeto
Replies: 2
by daxspudder » Wed Feb 25, 2009 11:09 pm

First post

So by luck, I came into possession of several 130g CO2 cartridges. My question is simply if anyone knows what volume a 4500psi 130g cartridge will...

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If it's CO2, it won't be at 4500psi. (Let's hope!) :)

There is a handy little chart that will help you figure such things here; (Not to mention the...

2 Replies

1335 Views

Last post by Gippeto
Thu Feb 26, 2009 12:49 am
co2 adapter problems

Last post by c11man
Replies: 6
by c11man » Sat Feb 21, 2009 10:44 am

First post

I am looking to make a high pressure piston gun a i want to use co2 to get these pressures. I am looking for around 250psi in an all coper gun. I...

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thanks for all the help

i in no way wanted my name to be like ckman
i didnt even know that he egsited until last week so it is just a coinsidece

6 Replies

2894 Views

Last post by c11man
Wed Feb 25, 2009 9:27 pm
Does tarnish affect copper's strength?

Last post by jimmy101
Replies: 21
by SpudUke5 » Mon Feb 23, 2009 9:32 pm
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Title pretty much says it all.

It is winter over here and some of my copper chamber and barrel have begun to oxidize, tarnish. So i was just...

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um HCL will produce copper chloride, the damaging verdigris( x O y produces XCu +y aq. . In other words, the insoluble oxide is converted to a...
21 Replies

7123 Views

Last post by jimmy101
Wed Feb 25, 2009 1:55 pm
My first ball valve pneumatic.

Last post by jackssmirkingrevenge
Replies: 1
by euskalspud » Wed Feb 25, 2009 7:09 am

First post

Hi! I´m new here. I´m from Spain and I don´t speak English very well. Here, the pneumatic spudguns are not very famous, but I did one.

The 20mm...

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Bienvenido a espudfiles :wink:

Here's a couple of spudguns I made while I was living there:

1 Replies

1641 Views

Last post by jackssmirkingrevenge
Wed Feb 25, 2009 7:53 am
SDR21 In MI USA?

Last post by jimschouster
Replies: 5
by jimschouster » Tue Feb 24, 2009 7:54 pm

First post

Hi All
Were can I get SDR21?
Thanks Jim

Last post

Thanks, my plumbing store did not have it but I found it at Tractor Supply Co

5 Replies

2110 Views

Last post by jimschouster
Wed Feb 25, 2009 4:29 am
Design idea I'm working up.

Last post by pharmboy
Replies: 20
by pharmboy » Fri Feb 20, 2009 6:33 pm
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Just noticed I hadn't seen a design resembling the one I came up with this week. So far, I've acquired all the parts for it, aside from the sprinkler...

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Well, it's just about done. All I need now is a length of 3/8 hose to connect the sprinkler valve to the blowgun. I'm gonna move over to the...
20 Replies

4591 Views

Last post by pharmboy
Tue Feb 24, 2009 11:30 pm
Piston vs. Piston [Update: video comparison]

Last post by sputnick
Replies: 59
by MRR » Sat Feb 21, 2009 6:55 am
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Well, I am new at this forum but I visit this side for quite a while on the search for new ideas and designs.

I read a lot about piston valves and...

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ALIH-

MRR has made the diagram correctly, if you really look, every part of it has an opposite. The parts above the green line are irrelevant...
59 Replies

18661 Views

Last post by sputnick
Tue Feb 24, 2009 5:54 pm
somewhat-mini golf ball launcher

Last post by jeepkahn
Replies: 3
by grock » Mon Feb 23, 2009 2:58 am

First post

i was thinking of making a small golf ball launcher, something that would fit in a backpack. whats the shortest barrel and smallest chamber you guys...

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you could make a nice little coax for GBs 3 chamber 24 long, sdr21 36 , fill it with a bike pump and should net you about 300 yds easy... total...

3 Replies

1364 Views

Last post by jeepkahn
Tue Feb 24, 2009 2:47 pm

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