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

1070515 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

510380 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

606213 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

768348 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

358387 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

88200 Views

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

Topics

CoAx 180psi Piston Valve

Last post by SpudStuff
Replies: 6
by simonr » Mon Aug 07, 2006 2:30 pm

First post

Thought I'd introduce myself (as a newbie, least on here) by showing you my air cannon......

As you can see it's a co-axial barrel/reservoir design...

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He welded it then covered it in glue.

6 Replies

4065 Views

Last post by SpudStuff
Thu Nov 02, 2006 10:57 pm
threaded adaptors

Last post by jjk92
Replies: 16
by judgment_arms » Fri Oct 27, 2006 6:12 pm
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Hey all, I got two questions: one, is it safe to file off the ridges on a threaded male and female adaptors? And two, how do you get a modded...

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they make an industrial contanier of teflon that u put on with a brsh in the cap it comes in like piunt jars its
pretty sweet
16 Replies

4568 Views

Last post by jjk92
Wed Nov 01, 2006 3:23 pm
Over Under Cannon

Last post by Slugfoot
Replies: 12
by dungdue0 » Sun Oct 29, 2006 12:01 pm

First post

Finished an over under cannon. The chamber is one and a half feet of 2 pipe. Valve is 3/4 modded sprinkler valve. The barrel is 3/4 also. This thing...

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Thats not a real 1911 is it? ......looks more like a Taurus to me.

A couple of nice clean looking cannons there mate. Is that a folding bipod on the...

12 Replies

3870 Views

Last post by Slugfoot
Wed Nov 01, 2006 3:03 pm
Zooka

Last post by killagorrila99
Replies: 24
by PCGUY » Sat Feb 05, 2005 4:09 pm
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ZOOKA

Provided By Boogieman - www.advancedspuds.com

Zooka is a small launcher designed to shoot golf balls. It is tiny, but still can shoot a...

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thanks killagorrila99 :D oh and this is a bit off topic but i cant wait to c wat u com up with next to compete with BTB :P

Haha thanks, That would...
24 Replies

20836 Views

Last post by killagorrila99
Wed Nov 01, 2006 2:26 am
Mini Pneumatic

Last post by Dan003400
Replies: 38
by chEEse » Tue Nov 23, 2004 7:46 am
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MINI PNEUMATIC

This is a small pneumatic that I use to shoot AA batteries, fire crackers, potatos, bolts, darts, water, and whatever else I can...

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Kool Gun it is neet but i am not realy crazy about the ball valve for the gun but i love the size and how it looks, very compaack
What u Shoot?
38 Replies

26036 Views

Last post by Dan003400
Wed Nov 01, 2006 12:12 am
Hypersonic for ~$200?

Last post by joannaardway
Replies: 14
by SpudStuff » Mon Oct 30, 2006 12:36 am

First post

I think i may have found a simple yet effective design that uses a 3000 PSI helium sorce in a SCH 160 Steel chamber with a 1 Rupture disk. The barrel...

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If that's what you meant:

I suspect even GGDT gets inaccurate when you get to that kind of speed, if only because the .25 ms time interval becomes...

14 Replies

3499 Views

Last post by joannaardway
Tue Oct 31, 2006 3:39 pm
Hard Copy Shotgun

Last post by nicholai
Replies: 25
by Brian the brain » Tue Sep 19, 2006 3:17 pm
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Yes..It's yet another improvement to the ol' sawed-off.
I call it the Hard Copy Shotgun
Hard because of the no BS power, well...
The rest you know...

Last post

nice rack :) uh i mean gun! yeah... gun!
25 Replies

9519 Views

Last post by nicholai
Tue Oct 31, 2006 7:08 am
Whats wrong with my valve?

Last post by rna_duelers
Replies: 1
by mac » Tue Oct 31, 2006 1:23 am

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I think theres something wrong with my sprinkler valve, I've modded it up so its got a blow gun ontop of it (i used the spudtech no drill tutorial)...

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These valves require a bit of pressure to make a proper seal.When i blow though my valve it leaks aswell but then it's aired up it works fine but...

1 Replies

1389 Views

Last post by rna_duelers
Tue Oct 31, 2006 4:47 am
back back powered cannon.

Last post by PVC Arsenal 17
Replies: 5
by idespisecats » Fri Oct 27, 2006 12:03 am

First post

I'm thinking about making a cannon with dual back pack reservoirs. The cannon is for shooting t-shirts and I'm going to put a ball valve between the...

Last post

why do you hate cats? I like cats.

Catsdespiseyou

5 Replies

5737 Views

Last post by PVC Arsenal 17
Mon Oct 30, 2006 6:13 pm
modified ball valves

Last post by lime soda
Replies: 4
by lime soda » Fri Oct 27, 2006 4:03 pm

First post

I know that some people have attached springs directly to the handles of ball valves, but I'm using a different method, and am wondering if others...

Last post

okay, here's a diagram:

The weight doesn't slide in a track except for the very beginning, but my next one will have a complete track. The...

4 Replies

1735 Views

Last post by lime soda
Mon Oct 30, 2006 5:55 pm
Bolt-Action Breach Help

Last post by joannaardway
Replies: 1
by kyle1292 » Mon Oct 30, 2006 10:09 am

First post

hi, i nee help figuring out how to make an air tight bolt-action breach, does anyone have plans for 1 or know how to make 1? thx

Last post

This should do:

PVC ballistics' guide

Very simple and more or less, the basic breech loader design. Just change the pipe sizes accordingly.

That...

1 Replies

1335 Views

Last post by joannaardway
Mon Oct 30, 2006 3:20 pm
Initial thoughts on high pressure gun using fridge pump

Last post by Deactivated 1
Replies: 7
by Deactivated 1 » Sun Oct 29, 2006 10:18 am

First post

Hi. I just thought it could be interesting to design a gun based around a spent CO2 bottle and a copper barrel. As for the valve I'm undecided....

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Yeah it does seem slow. I had imagined filling only a small container to a really high pressure, although that would take just as long as a larger...

7 Replies

3303 Views

Last post by Deactivated 1
Mon Oct 30, 2006 5:50 am
valve leakage

Last post by squeaks
Replies: 7
by subterranean » Sat Oct 28, 2006 11:27 pm

First post

im currently building my first pneumatic and im going to be using a sprinkler valve. my chamber is going to be 3 x6' ive heard that these valves have...

Last post

Play around with the GGDT, it'll tell you what you want to know.

7 Replies

2355 Views

Last post by squeaks
Sun Oct 29, 2006 9:31 pm
What is safer?

Last post by Hayseed_Andrew
Replies: 21
by spud man » Sun Jul 30, 2006 9:31 pm
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Which is safer, a Pnumatic Cannon pumped up to 50 psi and above or a Combustion Cannon using metered propane?

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IF you do everything EXACTLY right ther're both the same as far as safeness goes.. except under rapid firing.
21 Replies

6414 Views

Last post by Hayseed_Andrew
Sun Oct 29, 2006 7:42 pm
amature air

Last post by jrrdw
Replies: 15
by akadjusters » Fri Oct 27, 2006 12:51 am
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Hi all, I've been a combustion fan for 5 years and have recenly built my 1st air powered cannon. Dwv was about all I could find. The dwv pipe is...

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Yea i see that the pilot is on the out side, now that it's pointed out to me, i stand/sit corrected, being as the pressure blows through the valve...
15 Replies

4803 Views

Last post by jrrdw
Sun Oct 29, 2006 6:21 am
Protection?

Last post by The Haymaker
Replies: 18
by SquishY » Fri Oct 27, 2006 2:46 am
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What requires some valves to require hearing protection? This thought first occured the first time I read the Supah valve descrip. on Joel's site.

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I find I get more noise with a longer barrel and better, tighter, fitting ammo.

E
18 Replies

6413 Views

Last post by The Haymaker
Sat Oct 28, 2006 8:58 pm
to supah or not to supah

Last post by boilingleadbath
Replies: 15
by s18022 » Fri Oct 20, 2006 12:39 pm
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So i am thinking about buying a supah for my air cannon which has a 4 *5' tank and a 2inch by 8ft barel and i was wondering if the supah would work...

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You could use a 3/8 ball valve.
Download the f'ing GGDT, and model the situation yourself. Then decide weather the preformance gain from upgrading...
15 Replies

6488 Views

Last post by boilingleadbath
Sat Oct 28, 2006 8:36 pm
PVC Pressure ratings myth.

Last post by joannaardway
Replies: 21
by Boz » Wed Oct 25, 2006 1:36 pm
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Hey all I just wanted to add this topic because browsing through I have seen some discussion on the pressure ratings of PVC when used for air.

Some...

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Right. I have to be pedantic and say that the gold does actually weigh (weighs, not masses) more.

Because, in any case, no two objects can exist in...
21 Replies

11414 Views

Last post by joannaardway
Sat Oct 28, 2006 11:42 am
Where can i...?

Last post by SquishY

by SquishY » Sat Oct 28, 2006 2:54 am

Find small solenoid valves? I've seen pics of the ones sold in Aus. but can't find any where thats sells them in the states. I know I need to get my...

0 Replies

2055 Views

Last post by SquishY
Sat Oct 28, 2006 2:54 am
Dan003400's 3rd Pnuematic Gun

Last post by SquishY
Replies: 10
by Dan003400 » Thu Oct 26, 2006 11:20 pm

First post

this gun is gay!

have lathe now!!

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Good job man, that's the same size im looking to make but I'm thinking I may need a little help, but we'll save that for the day I can go buy parts....

10 Replies

3383 Views

Last post by SquishY
Sat Oct 28, 2006 2:15 am
BEST TYPE OF VALVE (cheap)

Last post by THEMOST
Replies: 18
by THEMOST » Mon Oct 09, 2006 9:59 am
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What is the best type of valve to use? Im useing an electronic solenoid sprinkler valse and it works decently. How do you make the valves work better...

Last post

actually I lost my glasses because of someone...
18 Replies

5827 Views

Last post by THEMOST
Fri Oct 27, 2006 5:00 pm
chamber to valve convetions

Last post by subterranean
Replies: 2
by subterranean » Thu Oct 26, 2006 5:14 pm

First post

sorry i know this is probably a super noob question but i must ask ..im building a pneumatic with a 3 chamber and a 1.5 barrel but im wonder which...

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ok thnx sorry about the spelling

2 Replies

1185 Views

Last post by subterranean
Fri Oct 27, 2006 5:00 pm
just a pre-emptive question regarding orbit watermaster

Last post by Bipedal
Replies: 27
by Bipedal » Sun Oct 22, 2006 7:15 pm
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Believe me. I've searched this ahead of time. Now, I haven't actually put my gun together yet, but I've been playing with the valve right? When I...

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Ah, then i'll just drill the hole and save myself alot of asking and waiting. Thanks for the help, we'll see how it goes after i get some epoxy.
27 Replies

10734 Views

Last post by Bipedal
Fri Oct 27, 2006 6:31 am
Ronaldo

Last post by sgort87
Replies: 19
by sgort87 » Mon Oct 23, 2006 9:45 pm
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I really love making piston valves now. They are so much fun and so powerful. I whipped this one up in about an hour or so including the time I spent...

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Pistons all the way buddy.
19 Replies

6466 Views

Last post by sgort87
Thu Oct 26, 2006 5:48 pm
stoppers

Last post by guy_with_a_gun
Replies: 8
by guy_with_a_gun » Wed Oct 25, 2006 7:03 pm

First post

i have an idea for a new cannon i want to make and it includes a stock made out of pvc but it reqires stoppers to keep the air from flowing through...

Last post

kk ill try that thx

8 Replies

3302 Views

Last post by guy_with_a_gun
Thu Oct 26, 2006 4:32 pm

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