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

1205885 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

606217 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...

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great job everyone
64 Replies

858809 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

1022105 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

393173 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

100311 Views

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

Topics

Break action launchers

Last post by scavies
Replies: 7
by Imortal87 » Mon Dec 08, 2008 11:08 pm

First post

So I figured I share a few of my more recent developments with the burst disk guns that I have been slowly adding to for the past few months. both of...

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Nice man! I was trying to make something like that with door hinges....
No.

I might try to make one of these for nerfs. Good job!

7 Replies

3497 Views

Last post by scavies
Tue Dec 09, 2008 7:44 pm
stock as chamber

Last post by psycix
Replies: 12
by cheeseboy » Sat Dec 06, 2008 10:37 pm

First post

I have made a few PVC launchers with piston valves and such , and am confident that i can make a decent copper cannon, I was thinking of my design...

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Some projectiles are not lost, they are simply smooched all over the place or embedded deeply in something.
You know exactly where they are, but you...

12 Replies

2937 Views

Last post by psycix
Tue Dec 09, 2008 4:09 pm
Pneumatic Golf Ball Cannon

Last post by jackssmirkingrevenge
Replies: 19
by SANGER » Fri Dec 05, 2008 4:12 pm
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Hey guys, i'm only new to the site but i have been working on a cannon which i have recently completed. It is all metal construction with 2 air...

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Nah, if she really loves her man, she'll support him on his future creations.

And sigh patiently at the increasing number of holes appearing...
19 Replies

6127 Views

Last post by jackssmirkingrevenge
Tue Dec 09, 2008 6:02 am
muzzle loading .50 cal

Last post by jackssmirkingrevenge
Replies: 75
by jitup » Wed Dec 03, 2008 2:47 pm
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hello, since I have finished revamping the spudinator, my bbmg, and my spray and pray gun is almost done being converted to propane (too cold to...

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In my opinion, the schrader as pilot is the achilles heel of Jacks designs. The flow rate is adequate to make it work, but not to extract the designs...
75 Replies

14056 Views

Last post by jackssmirkingrevenge
Tue Dec 09, 2008 1:32 am
Finished 3 Barrel Grenade Launcher

Last post by zeigs spud
Replies: 65
by Davidvaini » Sat Jun 21, 2008 7:36 pm
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Here is my finished 3 Barrel Grenade Launcher! It fires the preloaded cartridges that I made. The barrels rotate, It has a g36 stock, wood furniture,...

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VERY clean, i love it.
props dude!
65 Replies

31303 Views

Last post by zeigs spud
Mon Dec 08, 2008 10:32 pm
Extreme golf ball backspin: Theory

Last post by TurboSuper
Replies: 20
by DR » Sat Dec 06, 2008 8:22 pm
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If any of you ever happened to come across the YouTube video, entitled:
70,000 rpm golf ball ... I wonder then, if you ever thought it would benefit...

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I'm inclined to agree with Hotwired on this one: those photo-tachometers work based on reflection, so it seems more likely that it was picking up the...
20 Replies

8144 Views

Last post by TurboSuper
Mon Dec 08, 2008 9:57 pm
The Spudinator

Last post by jitup
Replies: 43
by jitup » Fri Nov 14, 2008 12:34 pm
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This is the first gun I am adding to the site!!! :D
construction includes all 1 in pipe,
2 liter pop bottle as resivoir (they can handle 800 psi...

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Ok, I will add a picture. Any resources about a diaphram valve will be helpful :)
43 Replies

8853 Views

Last post by jitup
Mon Dec 08, 2008 9:25 pm
Home made QEV?

Last post by Hotwired
Replies: 4
by jitup » Mon Dec 08, 2008 4:52 pm

First post

hello I found this video on you tube. It is in french and I can only understand about 25% of what he is actually saying. If any body is fluent in...

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A quick exhaust valve will always be a commercial valve for cylinder dumping to me...

Anything home made I file under piston or diaphragm valve....

4 Replies

1495 Views

Last post by Hotwired
Mon Dec 08, 2008 5:51 pm
What about fridge compressors?

Last post by john bunsenburner
Replies: 52
by RedAplle » Sun Sep 07, 2008 8:01 pm
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Hi there,

I was just wondering, what happens when the limit of a fridge compressor is reached?

Because I have one, I have been up to 30bar (about...

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Ok then i think we all agree! Wierd how people can sometimes jsut talk past each other...(ok i am really guilty of that to!)
52 Replies

15172 Views

Last post by john bunsenburner
Mon Dec 08, 2008 3:34 pm
High pressure hand pumps

Last post by Ragnarok
Replies: 26
by john bunsenburner » Fri Dec 05, 2008 3:47 pm
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I saw an artical about high pressure hand pumps on this website . I was wondering if this would be an alternative to using bulk tanks? I am unsure if...

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I will do my best not to post any thing more until i am done with my gun.
I have absolutely no problem with you asking questions - just please stop...
26 Replies

7350 Views

Last post by Ragnarok
Mon Dec 08, 2008 3:18 pm
I made a paintball vortex gun

Last post by psycix
Replies: 19
by scavies » Sun Dec 07, 2008 7:28 am
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:? (See subject)

Havn't tested it yet. I will today, but I could sure use a favor from you guys. Tell my why it shouldn't work, cause I know it's...

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What if you used a secondairy chamber with a large porting to the vortex chamber to be sure of enough pressure and flow goin in.

I also throw my...
19 Replies

6597 Views

Last post by psycix
Mon Dec 08, 2008 11:48 am
QEV Hammer Valve?

Last post by psycix
Replies: 1
by Zippster » Mon Dec 08, 2008 12:52 am

First post

I've seen Brian's repeaters and hammer-valved QEV's and me likey, so I know that this has been done before. I have in my posession a 3/4 diaphragm...

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He made it out of some sort of poppet valve, but you could build your own with a cap, a bolt, a spring and an o-ring.

1 Replies

2821 Views

Last post by psycix
Mon Dec 08, 2008 11:26 am
All metal shotgun

Last post by jrrdw
Replies: 43
by frankrede » Sat Nov 22, 2008 5:41 pm
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This is my latest cannon, it is very powerful and compact for its size. Lots of fun to shoot and ergonomic.
Chamber:1 1/4 sch-40 steel
Valve: 3/4...

Last post

UG!
43 Replies

12778 Views

Last post by jrrdw
Mon Dec 08, 2008 9:28 am
Help with co2 tank issue

Last post by grumpy
Replies: 13
by skyjive » Sat Dec 06, 2008 5:26 pm

First post

So I am trying to connect my regulator to my co2 tank but the problem is that the regulator has a 1/4 female in port, which does not directly connect...

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just keep one thing in mind , co2 is not an ideal gas!

13 Replies

4372 Views

Last post by grumpy
Sun Dec 07, 2008 4:31 pm
Brazing kills sharders

Last post by john bunsenburner
Replies: 39
by john bunsenburner » Sun Nov 30, 2008 12:53 pm
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Last night while making my chamber i brazed a tire valve into a hole at the end cap of my iron chamber. When i was done and everything had cooled i...

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Ok thank you for your help, ill order the check valve and the quick connects, today.
39 Replies

10775 Views

Last post by john bunsenburner
Sun Dec 07, 2008 3:57 am
QEV~ 22 stock

Last post by jook13
Replies: 9
by jakob » Sat Dec 06, 2008 5:15 am

First post

I have a old 22 stock and want to turn it into a rifle that can shoot .22 air rifle pellets . I understand how to use the modded sprinkler valve but...

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I have had an issue once with my qev actuating when I disconnect my air supply from the schrader. I have since made a rule to my self of never...

9 Replies

4319 Views

Last post by jook13
Sun Dec 07, 2008 12:35 am
critique my design.

Last post by hudd
Replies: 15
by hudd » Fri Dec 05, 2008 10:43 pm
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I want to make a canon that will fire a nerf mini vortex rocket adbout 60-70 yards. here the plan

3in.x6.5in air chamber> 1in. modified sprinkler...

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thanks guys. Would it be better to go with a longer, smaller chamber than the bigger shorter chamber. Or would it matter?
15 Replies

7371 Views

Last post by hudd
Sat Dec 06, 2008 8:12 pm
TB gun design

Last post by jrrdw
Replies: 2
by FishBoy » Sat Dec 06, 2008 3:18 pm

First post

Sorry, my last post should've gone with this one.

Anyway, this is a design for a tennis ball launcher that i will be making as a Christmas present...

Last post

Make it a in-line, better flow???

2 Replies

803 Views

Last post by jrrdw
Sat Dec 06, 2008 4:50 pm
Looking for a quieter valve/cannon design

Last post by ALIHISGREAT
Replies: 7
by urbanfarm » Sat Dec 06, 2008 6:46 am

First post

I am planning my next projects namely 1/4 and 3/4 barrel devices approx 3' and after experiencing the noise of a 2 barrel piston cannon prototype, I...

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my copper coax's piston made one hell of a clang, due to the fact i didn't install a bumper LOL so i glued 2 layers off bike tye inner tube onto the...

7 Replies

2205 Views

Last post by ALIHISGREAT
Sat Dec 06, 2008 1:03 pm
LUPARA: In the works

Last post by Brian the brain
Replies: 19
by Brian the brain » Wed Dec 03, 2008 4:20 pm
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Hi guys, haven't been online much lately.
Got two kids remember?
They keep me busy .(That and a PS3 with GTA 4 and Burn out Paradise :D )

But you...

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Brilliant!I'll be looking into that!!
19 Replies

5819 Views

Last post by Brian the brain
Sat Dec 06, 2008 12:00 pm
Pump action shotgun

Last post by airheadnoob
Replies: 23
by andremat » Wed Aug 06, 2008 2:39 pm
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Hello everybody, that's my first post. I come from the french spudgun forum (so, sorry for my poor english) and I have already built some spudguns...

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yeah its alsome its made me rewanta make one (its just its illegal in sydney MORE ILLEGAL THEN HAVING A REAL GUN ) but its worth it

check mine out...
23 Replies

15406 Views

Last post by airheadnoob
Sat Dec 06, 2008 4:30 am
Regulator

Last post by starman
Replies: 1
by skyjive » Fri Dec 05, 2008 1:32 am

First post

So I recently got this regulator off ebay and I just wanted to confirm that it is ok to use with co2 since it doesn't actually say what type of gas...

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It does mention nitrogen but CO2 should be fine. Be sure to plumb your HP side appropriately to accomodate the CO2 canisters...it doesn't look like...

1 Replies

1100 Views

Last post by starman
Fri Dec 05, 2008 1:53 am
Panzerschrek 2 new videos!

Last post by Davidvaini
Replies: 24
by Davidvaini » Sun Aug 31, 2008 7:23 pm
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hey guys, I got bored today so I decided to make a quick Panzerschrek. It will be used in airsoft per two man team. It uses my Burst Disk Cartridge...

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Another update.. Label is done.. incorrectly misspelled Division.. You guys get the idea.
24 Replies

12539 Views

Last post by Davidvaini
Thu Dec 04, 2008 12:16 pm
Pouring stocks

Last post by john bunsenburner
Replies: 35
by john bunsenburner » Mon Nov 24, 2008 4:08 pm
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I would like to make a new stock i will get my self an old gun from a flee market to mold it from. I was wondering what i could make my stock from i...

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Ok thank you for that extra bit of info, slowly this gun is taking shape. Thank you all for your help.
35 Replies

9077 Views

Last post by john bunsenburner
Thu Dec 04, 2008 10:33 am
Piston in copper and brass updated 05/03/08 Damage pics

Last post by Gippeto
Replies: 32
by Gippeto » Sat Mar 08, 2008 3:16 pm
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The stirrup pump I built has been driving me up the wall. Significant pressure just sitting there with nothing finished to use it in.

So, I got...

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I have a regulated CO2 setup, and I have a home made stirrup pump that I used with this.

CO2 is less effort, but air is SUBSTANTIALLY faster. :)...
32 Replies

21925 Views

Last post by Gippeto
Thu Dec 04, 2008 10:15 am

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