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

887829 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

432624 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

365064 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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First post

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

610168 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

325076 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

77077 Views

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

Topics

Do I need a lathe to make a piston valve?

Last post by dongfang
Replies: 5
by gwoloshyn » Sat Aug 18, 2007 11:37 am

First post

Title says it all, i want to build one for my next cannon, but not sure where to start. thanks

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At Jumbo , but hmmm that only exists in this country.

- Anywhere with a large assortment of Dremels and Dremel tools?

Regards
Soren

5 Replies

2133 Views

Last post by dongfang
Sat Aug 25, 2007 3:07 am
Nail Gun Battery Semi

Last post by jackssmirkingrevenge
Replies: 23
by randompkguy » Thu Aug 23, 2007 6:06 pm
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Hey guys, this is my first semi, as well as my first small caliber gun. I found an old finishing nailer in the basement, and decided to take it apart...

Last post

That would be a negative.

There's yer problem ;)
23 Replies

6933 Views

Last post by jackssmirkingrevenge
Sat Aug 25, 2007 2:40 am
first constant air/sprinkler cannon.

Last post by ajnin
Replies: 17
by ajnin » Wed Aug 22, 2007 1:16 am
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Ok I have most likely 90% of the parts I need. Hopefully you guys can help me with the other 10%.

The tank is said to be adjustable 0-1200 psi, i...

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right, i figure i am really only looking 100 ish feet.

how much larger does the chamber need to be to get say 200 yards? just so i know....
17 Replies

3982 Views

Last post by ajnin
Fri Aug 24, 2007 10:27 pm
N2O tank

Last post by singularity
Replies: 9
by TaBo » Fri Aug 24, 2007 6:15 am

First post

i buy some little tank of gas, i tought that it was CO2, but is N2O. the tank is for whipped cream machine.
do you know where i can find a part that...

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Thats pretty pointless your just gonna kill the engine.

so? i got the go kart for free from my neighbors... its a rusty piece of crap that had a...

9 Replies

4568 Views

Last post by singularity
Fri Aug 24, 2007 8:25 pm
My next project

Last post by DYI
Replies: 9
by DYI » Fri Aug 24, 2007 4:46 pm

First post

I've come up with two ideas for what I might build this winter and was hoping for some feedback on what the community would like to see.
Both of my...

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Well, I wouldn't exactly be toting it around , and they'll both have hideous reload times anyway. And I won't be trying to pierce the disk, it uses...

9 Replies

2401 Views

Last post by DYI
Fri Aug 24, 2007 7:38 pm
I need some help!

Last post by unisonmind
Replies: 9
by unisonmind » Fri Aug 24, 2007 12:56 pm

First post

ok so i just moved to Colorado and i cant find any good plumbing supply stores to get some pressure rated fittings. so does anyone know where to get...

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thank you Ferguson is 2min from my house and they have everything i need

9 Replies

2109 Views

Last post by unisonmind
Fri Aug 24, 2007 4:54 pm
O-Rings

Last post by frankrede
Replies: 5
by Pilgrimman » Thu Aug 23, 2007 2:42 pm

First post

I've read that a lathe is required to mount O-Rings for most applications. I've also read that if an O-Ring is mounted in this way, that it can seal...

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I have a case that has Several o-rings ranging from a few millimeters in diameter to over 2 in diameter.

Check your local harbor freight maybe?

5 Replies

1683 Views

Last post by frankrede
Fri Aug 24, 2007 3:05 pm
The STINGER

Last post by scatdawg
Replies: 61
by scatdawg » Sat Aug 11, 2007 2:25 pm
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here for your viewing enjoyment is my new high pressure golf ball
accelerator named the stinger . chamber is a firefighters air tank rated to 2216...

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about fifteen feet. i brought home 10 more sheets of half inch plywood today. im going to keep adding layers to my box of truth until it finally...
61 Replies

18680 Views

Last post by scatdawg
Fri Aug 24, 2007 11:08 am
new project

Last post by fretmelter
Replies: 2
by fretmelter » Thu Aug 23, 2007 7:33 pm

First post

hi all, i have built a very very simple cannon and want to improve it. right now i have to fill a small tank with my compresser then fill my tank on...

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well here is the small noid i was ganna use but then i need batteries and stuff and all tht doesnt make i as tuff.so im just ganna use a ball valve...

2 Replies

978 Views

Last post by fretmelter
Fri Aug 24, 2007 9:15 am
Marble semiauto

Last post by Copperboy
Replies: 8
by Copperboy » Wed Aug 22, 2007 12:35 pm

First post

I'm not sure if this si the correct section to post this in, but since it's almost completed...:wink:

My slowly evolving project has finally...

Last post

Yes, it is :wink:

8 Replies

5131 Views

Last post by Copperboy
Fri Aug 24, 2007 7:41 am
First Pneumatic- With Vid, and Damage Pics

Last post by potatoflinger
Replies: 6
by CannonCreator » Thu Aug 23, 2007 10:59 pm

First post

This is my First Pneumatic, and my second cannon. Well actually this cannon is my borthers(he's 6) and he can only use it when Im there next to him....

Last post

looks like a pretty powerful cannon, great job. :D

6 Replies

2835 Views

Last post by potatoflinger
Fri Aug 24, 2007 6:13 am
Need some help with my launcher build

Last post by Orpackrat
Replies: 5
by Cabeza_dura » Fri Aug 24, 2007 1:39 am

First post

I started making plans for a nerf launcher I want to build for use in paintball big games with my teams. I have a general idea of what I want to do,...

Last post

that i know of there is no way to fill from a paint ball gun. im not experianced with comercial paintball guns, so you will have to get someone else...

5 Replies

1483 Views

Last post by Orpackrat
Fri Aug 24, 2007 2:30 am
Will this work, im a noob, help wanted.

Last post by windshrike
Replies: 18
by Brod Man » Fri Aug 17, 2007 2:44 pm
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a 2 lt. bottle for the air chamber, and a ball valve for the trigger. use a bike pump to pump it up, and just open the valve? (consrtuctive criticism...

Last post

^^^^
He wants to hunt with it, and if using an airgun is legal in Ohio(think thats where he is) then it is perfectly legal.

Not really talking about...
18 Replies

3937 Views

Last post by windshrike
Thu Aug 23, 2007 5:49 pm
Pvcmaster's new barrel sealer!

Last post by pvcmaster
Replies: 16
by pvcmaster » Sun Aug 19, 2007 1:28 pm
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My new barrel sealing piston valve! Housed completely in a 2 tee, with 1.5 porting.

Piston:
1 1/4 Sch 40 endcap
2- 2 neoprene washers
1 washer
1/4...

Last post

That is a short section of 2 pipe for the piston to slide in.
16 Replies

4844 Views

Last post by pvcmaster
Thu Aug 23, 2007 2:36 pm
What do you think of my design?

Last post by TwitchTheAussie
Replies: 8
by A a r o n » Wed Aug 22, 2007 6:30 pm

First post

Well, I wanted to make a launcher that had a rifle-ish look to it. After a little bit of thinking i came up with this design.

(it's not to scale....

Last post

Both are good. Just need to brush up on your paint skills :lol: Either way its gonna be sweet man.

8 Replies

2114 Views

Last post by TwitchTheAussie
Thu Aug 23, 2007 3:49 am
First Pneumatic, Q's

Last post by MrCrowley
Replies: 15
by CannonCreator » Wed Aug 22, 2007 5:48 pm
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My little brother (6 years old) Has enjoyed watching me make cannons, and shoot them. He just asked me in the morning when I woke up if I can give...

Last post

Okay then, looks like you have everything sorted. So the pipe and fittings do say NSF-PW on them? Just making sure.

Good luck, have fun and keep it...
15 Replies

4080 Views

Last post by MrCrowley
Wed Aug 22, 2007 10:57 pm
New piston valve idea and a couple questions

Last post by noob of noobs
Replies: 9
by noob of noobs » Tue Aug 21, 2007 7:32 am

First post

I’m building a piston valve, and I have what I think might be a new design. Here:

Basically, it’s a regular piston valve made of galvanized steel,...

Last post

Ohh..... I get it! :idea: Wait... that's bad... :oops: Ah well, back to the old drawing board. :cry:
Thanks for the help. I think I'll just try a...

9 Replies

2117 Views

Last post by noob of noobs
Tue Aug 21, 2007 9:01 pm
Largest Piston Valve

Last post by clide
Replies: 9
by Gepard » Sun Aug 19, 2007 5:07 pm

First post

Hi,

What's the largest piston valve ever made? We're talking about it over on UKSGC and Ragnorak (Jo's brother) said it was 3 (we're talking about...

Last post

Largest homemade valve I have seen is a 4 coaxial

The largest commercial valve I have seen is some 6 grain silo air cannons. They are used to...

9 Replies

2187 Views

Last post by clide
Mon Aug 20, 2007 10:16 pm
help

Last post by noob of noobs
Replies: 8
by quiggly17 » Sun Aug 19, 2007 10:18 pm

First post

can anyone post a simple piston valve gun how to

Last post

First off, I'd really appreciate it if you used at least somewhat proper grammar and spelling. I had to read your run-on post several times to...

8 Replies

1932 Views

Last post by noob of noobs
Mon Aug 20, 2007 7:14 am
SPare parts cannon

Last post by Redcoat
Replies: 7
by Redcoat » Sun Aug 19, 2007 3:25 am

First post

Hi all,

Today it was generally wet in Sydney and my house was surrounded by 2 inches of water so i decided to have a little fun indoors.I looked...

Last post

thanks man. 8) .

7 Replies

1566 Views

Last post by Redcoat
Mon Aug 20, 2007 5:45 am
Coaxial Piston Gun

Last post by Marco321
Replies: 9
by Marco321 » Sun Aug 19, 2007 6:17 am

First post

Hey
Here is my first piston gun I have ever made. I made absolutely everything I could on this gun. It is a coaxial gun, which is actuated by a...

Last post

Thanks for the kind words everyone :D

Skywalker just made me realize i didn't include any dimensions lol.

Well the chamber is 46mm OD, the barrel...

9 Replies

3822 Views

Last post by Marco321
Mon Aug 20, 2007 1:47 am
What different in Combustion and Pneumatic?

Last post by DYI
Replies: 12
by spudd » Sat Aug 18, 2007 8:38 am

First post

What is the major difference? god and bad? in two same sized cannons

Last post

A large enough combustion can exceed the speed of sound due to the hot gases that are generated, and a pneumatic using high pressure helium,...

12 Replies

3706 Views

Last post by DYI
Sun Aug 19, 2007 7:46 pm
P.C.P.R. (pneumatic coaxial piston rifle).(6mm)(contest)

Last post by Mitchza89
Replies: 15
by CpTn_lAw » Sun Sep 17, 2006 5:45 am
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Here is my newest cannon, a coaxial cannon....the barrel is a 8mm OD pipe so it's 6.02 mm ID.

Chamber: 1/2 dia. >>> 30cm long.
Barrel: 6.02mm ID...

Last post

Just wondering mate, what sorta performance you getting out of this thing at what psi? I wish ya had some damage pics up :D
15 Replies

6348 Views

Last post by Mitchza89
Sun Aug 19, 2007 6:34 pm
Gas Assisted Recoil prototype

Last post by judgment_arms
Replies: 15
by judgment_arms » Sat Aug 18, 2007 3:46 pm
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Judgment Arms,
Gas Assisted Recoil operation prototype: G.A.R. 1

Background:
After the failure of the Wookie gun I decided that blow-back, at least...

Last post

The cannon won’t have a detachable magazine, instead it’ll use an eight round internal box.
I’m going to have extension springs on the follower...
15 Replies

5284 Views

Last post by judgment_arms
Sun Aug 19, 2007 2:35 pm
Project Hellfire is underway

Last post by Suppressive Fire
Replies: 2
by Suppressive Fire » Sat Aug 18, 2007 1:06 pm

First post

I've officially started designing Hellfire which is going to be a cartridge ejecting, semi auto gun that may or may not be belt fed. Each individual...

Last post

Its been one of those ideas for the past year+. Theres a few kinks to work out of the design but at least a scale prototype will get built.

EDIT-...

2 Replies

1442 Views

Last post by Suppressive Fire
Sat Aug 18, 2007 6:54 pm

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