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

1125849 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

552723 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

821506 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

967592 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

375101 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

92479 Views

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

Topics

Imploding barrel?

Last post by dudeman508
Replies: 8
by dudeman508 » Mon Jun 15, 2009 10:26 pm

First post

My next project is a high pressure co-ax. My chamber will be galvanized steel, but my barrel will be pvc. At 300psi is there any chance of my barrel...

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Ok, thanks guys thats all i needed to know. :D :D :D

8 Replies

2038 Views

Last post by dudeman508
Tue Jun 16, 2009 10:09 pm
Golf Ball Blowforward Semi

Last post by Gaderelguitarist
Replies: 13
by thedeathofall » Mon Jun 15, 2009 11:37 pm

First post

Okay, I know a lot of you have experience with blowforward breeches, but at the same time, many people here don't.

I came up with a simple design...

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Well good luck with this one then! I agree that the other one is a little more confusing that yours. Not saying its difficult, just that yours is...

13 Replies

4045 Views

Last post by Gaderelguitarist
Tue Jun 16, 2009 9:12 pm
piston valve inlet

Last post by Technician1002
Replies: 12
by c11man » Mon Jun 15, 2009 11:12 am

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i want to make a new piston vavle soon and was wondering about the inlet size. it it is built into a 1 1/4 tee with 1inch porting. the inlet will be...

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i was accualy thinking about using it to measure the time between the noise from the launch and hitting the target

A microphone completely sealed...

12 Replies

2746 Views

Last post by Technician1002
Mon Jun 15, 2009 10:56 pm
.38 cal. DAMAGE SHOTS!!!

Last post by Gippeto
Replies: 18
by maverik94 » Mon Jun 01, 2009 12:11 pm
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Here is my newest rifle. It is my first all metal gun, and is pretty impressive both power-wise, and looks-wise. As far as power, I have taken it to...

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It's an awesome cruiser, but halfway through, a bunch of my bolts rattled loose

The price of character . 8)

Maverik, nice little shooter. Well...
18 Replies

8350 Views

Last post by Gippeto
Mon Jun 15, 2009 7:24 pm
USB missile launcher

Last post by CpTn_lAw
Replies: 16
by deathbyDWV » Fri Jun 12, 2009 5:34 pm
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I was looking on the internet today and i came across this.

It is like a little nerf gun that you connect to your computer and can aim and shoot it...

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The dog is fu***** amazing! i didn't know we were at such a high level in robotics! well...I knew, but i never saw something like that!
16 Replies

7130 Views

Last post by CpTn_lAw
Mon Jun 15, 2009 4:42 am
where to get a sprinkler valve

Last post by THUNDERLORD
Replies: 5
by socmat23@yahoo.com » Sun Jun 14, 2009 5:50 pm

First post

Ive looked this valve over for a while and havnt been able to find out where the best place to purchase a sprinkler valve. if some one could post a...

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...Yeah, sgort's site is selling 1 inch sprinkler valves for ~$13 USD. Its a great deal especially since they go for over $20 USD on some sites and...

5 Replies

1839 Views

Last post by THUNDERLORD
Sun Jun 14, 2009 11:03 pm
Wood small gun

Last post by tghhs
Replies: 9
by tghhs » Fri Jun 12, 2009 2:40 am

First post

I had a day off today because my school was having a report writing day, anyhow i was bored and after being on spudfiles recently and i had a attack...

Last post

Sweet thanks guys, and yeah ur right about the pilot but all i had. A wood rail gun would be cool and impossible.

mm maby i need to blow torch it a...

9 Replies

3264 Views

Last post by tghhs
Sun Jun 14, 2009 3:37 am
IHTAHBATMT

Last post by Moonbogg
Replies: 19
by MountainousDew » Thu Jun 11, 2009 10:12 pm
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IHTAHBATMT stands for: I Hope This Acronym Helps Bring Attention To My Topic... I know, its a mouthful! (That's what she said!) Did it work? Were you...

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If you want me to I will work with you. PM me the specs of the cannon you want, your existing materials you will be using, your budget and any other...
19 Replies

5112 Views

Last post by Moonbogg
Sun Jun 14, 2009 12:12 am
First Pneumatic Cannon PLANS

Last post by webgeek
Replies: 15
by GeekFreak » Sun May 17, 2009 3:41 am
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I just bought my sprinkler valve today, and I think I'm going out to get the PVC parts tomorrow. I made a plan for it. Tell me how it looks (I know...

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Sorry to revive a little older thread, but when I read this I saw that the math is a pain and the question comes up a lot so I did my best to answer...
15 Replies

5477 Views

Last post by webgeek
Sat Jun 13, 2009 4:31 pm
Barrel Support Materials and Technique

Last post by MountainousDew
Replies: 2
by webgeek » Sat Jun 13, 2009 3:12 pm

First post

Ok, so thanks to advice and input from the group, I've started churning out guns for friends that work well and are nice and safe/sturdy. I've got it...

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I use a chunk of wood...
Take a piece of pipe the diameter of your chamber, duct tape some sand paper over the pipe, and slide the block of wood...

2 Replies

1248 Views

Last post by MountainousDew
Sat Jun 13, 2009 3:22 pm
New Piston Cannon....Near Explosive Decompression

Last post by Biopyro
Replies: 60
by velocity3x » Fri Jun 05, 2009 5:24 pm
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Hello everyone.
I’m new here so please bear with me.
Until 4 months ago, I'd never thought of building a golf ball cannon. Seeing some on the...

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As for the piston breaking, it would take FAR more the 400psi to do so. I believe several people here have taken that model of QEV up over 600psi...
60 Replies

17863 Views

Last post by Biopyro
Sat Jun 13, 2009 4:42 am
Inside of a Regulator

Last post by daccel
Replies: 11
by mark.f » Fri Jun 12, 2009 5:38 pm

First post

This post is just to stir up a few ideas, but this is what the inside of a cheap pressure regulator looks like.

Remind you of anything? Here's a...

Last post

I just picked up one very similar today, then logged in to find this. Great minds must think alike 8). Hadn't thought about using it as a valve...

11 Replies

2842 Views

Last post by daccel
Sat Jun 13, 2009 12:46 am
Using BSP and NPT fittings

Last post by far_cry
Replies: 7
by Night Hawk » Thu Jun 11, 2009 1:11 pm

First post

Ok guys is it ok to use BSPP and NPT fittings together? There is a 5 degree pitch different but ive heard that this is not a problem, but im not sure...

Last post

possibly you will be with leak problem

7 Replies

2616 Views

Last post by far_cry
Thu Jun 11, 2009 6:53 pm
My first project.

Last post by Night Hawk
Replies: 25
by Night Hawk » Thu Apr 02, 2009 1:33 pm
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Right hi guys,

I'm currently doing physics, maths and chemistry at a-level so i have a fairly good idea about the physical side of things, but on...

Last post

UPDATE:-

Ok guys, i drew up the plans over the last three nights, funtimes.

Here is the result, the two bits of hose from the base of the...
25 Replies

6748 Views

Last post by Night Hawk
Thu Jun 11, 2009 5:38 pm
PCP problems

Last post by Gippeto
Replies: 13
by maverik94 » Tue Jun 09, 2009 9:09 pm

First post

Ok, i am building a pcp pistol. It has a 6 length of 3/4 steel pipe as the chamber. I have a 3/4 steel tee where I want to have the hammer valve. The...

Last post

I have an idea for using the innards of a blowgun for the hammer valve

I suppose I was a bit unclear...that's what I was trying to suggest.

Poor...

13 Replies

4862 Views

Last post by Gippeto
Wed Jun 10, 2009 11:43 pm
Projectile Curving

Last post by Tidbit77
Replies: 22
by Foxx » Mon Jun 08, 2009 10:22 am
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I have a question, as the topic indicates, about projectile tumbling. The ammo I am using is some candy similar to gum drops that fit perfectly in...

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The Mythbusters actually just tested this one, and the new episode aired today. And, yes, they deemed the Wanted bullet curving myth busted.

EDIT:...
22 Replies

8271 Views

Last post by Tidbit77
Wed Jun 10, 2009 9:25 pm
My Second Cannon - Now with a Safety :)

Last post by Technician1002
Replies: 10
by webgeek » Mon Jun 08, 2009 11:27 pm

First post

This is my second cannon. Nothing exotic. I used 2 for the chamber to keep the price and parts availability nice and easy as 3 pressure rated...

Last post

A quick note, sandpaper wrapped on a stick takes care of the small adjustment a PVC ball valve needs to match a barrel. :)

10 Replies

3629 Views

Last post by Technician1002
Wed Jun 10, 2009 10:00 am
Cannon as senior project. Info, Ideas, Suggestions?

Last post by dirker88
Replies: 40
by dirker88 » Fri Jun 05, 2009 7:13 pm
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Hello spudfiles, This is some thing i have really been thinking about lately.I will be building a cannon for my senior project next year and i really...

Last post

Heres another little drawing.
40 Replies

13233 Views

Last post by dirker88
Tue Jun 09, 2009 8:01 pm
SBA800 - Chaos Edition 4/5/09 updated - Stock

Last post by thefarmer32
Replies: 41
by chaos » Sat May 02, 2009 8:49 am
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SBA800
Stainless-Bolt-Action-800psi

The latest edition from chaos labs.

As it turned out i had a couple of hours spare yesterday, got...

Last post

sweet job mate!!
41 Replies

17429 Views

Last post by thefarmer32
Tue Jun 09, 2009 4:59 pm
My new plinker

Last post by thedeathofall
Replies: 11
by inonickname » Fri Jun 05, 2009 11:34 pm

First post

Well I bought a blowgun to make my cane gun with. I started knocking up a test rig and here's the results:

Op. Pressure: 300 psi
Valve: Modded...

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nice... but maybe you should have just bought a small bag of shot, instead of opening the shells. Its not like you wont ever use it all :roll:

11 Replies

3439 Views

Last post by thedeathofall
Tue Jun 09, 2009 2:35 pm
Tennis ball gun progress

Last post by thedeathofall
Replies: 30
by Kai » Sun Jun 07, 2009 3:07 pm
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Ok, so here is an update on the progress i have made on my semi auto tennis ball launcher. I will have more done by tonight. im dying to tenst my...

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I think Mr. Kai is too focused on the semi part. Semi automatic firing can be achieved by simply hooking up to a constant air source. Get the valve...
30 Replies

8336 Views

Last post by thedeathofall
Mon Jun 08, 2009 11:09 pm
PVC Primer + Cement

Last post by jimmy101
Replies: 5
by webgeek » Sun Jun 07, 2009 12:51 am

First post

Hi all; I'm a little confused and getting conflicting answers. I've been using the purple primer stuff from Oatey (what Home Depot and Lowes both...

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I wouldn't trust a licensed plumber with this particular question. Home potable water supplies rarely exceed 100 PSI and generally are closer to 60...

5 Replies

2367 Views

Last post by jimmy101
Sun Jun 07, 2009 2:41 pm
What is a good projectile for an automatic gun?

Last post by jackssmirkingrevenge
Replies: 22
by spudmanb3 » Fri Jun 05, 2009 3:42 pm
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I am soon to be building an automatic gun and need a good projectile. bb's are too small, bouncy balls are too expensive, marbles are too dangerous,...

Last post

How about finishing up one of the ejecting cartridge guns?

Crossed my mind but I think I want something a bit more radical :)
22 Replies

4985 Views

Last post by jackssmirkingrevenge
Sun Jun 07, 2009 7:04 am
General Safety Questions

Last post by webgeek
Replies: 9
by webgeek » Sun May 31, 2009 10:15 am

First post

Hi all; I created my first pneumatic gun a week ago and had so much fun I created another using a modified sprinkler valve and a blowgun. It was even...

Last post

Look better, because its done that way on almost all well-built cannons and is always recommended.
Its safer, more leak-proof and stronger. Sorry, I...

9 Replies

4310 Views

Last post by webgeek
Sun Jun 07, 2009 12:43 am
fridge compressor help!!!!!!

Last post by spudtyrrant
Replies: 5
by spudtyrrant » Sat Jun 06, 2009 11:01 am

First post

how do i hook this compressor up to use air. also how do i get the excess freon left inside of it out
view of wires and copper tubes

view of 2...

Last post

ok guys i posted the pics

5 Replies

1469 Views

Last post by spudtyrrant
Sat Jun 06, 2009 8:21 pm

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