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

911410 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

447124 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

401706 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

622459 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

329772 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

79141 Views

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

Topics

Mrc45 Tribute cannon.

Last post by 8tonsemi
Replies: 37
by 8tonsemi » Sat Jul 28, 2012 7:11 pm
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It isn't finished so I not going to put in in the showcase section yet but when it is I will. I made this to thank Mrcrowley for helping me with most...

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The shots were at 50 psi and one at 10psi.
37 Replies

9973 Views

Last post by 8tonsemi
Sun Aug 05, 2012 7:54 am
tshirt cannon

Last post by jackssmirkingrevenge
Replies: 48
by kb18951452 » Wed Jul 25, 2012 1:00 pm
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New member here. Been commissioned to create 2 Prop Tshirt Cannons. 1 shaped like a Cannon (on a gun carriage, etc.), and another like an oversized...

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If you had to make it like in the diagram and fit the T-shirt in the coaxial barrel the cart would have to be enormous so not really practical. You...
48 Replies

14922 Views

Last post by jackssmirkingrevenge
Sat Aug 04, 2012 11:41 pm
The Light Day Cannon

Last post by jsefcik
Replies: 7
by mattyzip77 » Sat Aug 04, 2012 12:18 pm

First post

I made this cannon this past week out of spare parts and fittings I had laying around. The chamber is 2 inch by 48 inches, barrel is 45 inches 1 1/2...

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Thanks for stealing my name for my cannon ,, couldn't think of your own name :x :x

So....you're saying that Matty stole YOUR name that YOU...

7 Replies

1939 Views

Last post by jsefcik
Sat Aug 04, 2012 10:39 pm
m72 LAW Design questions

Last post by Zorlord
Replies: 51
by Zorlord » Sun Jul 22, 2012 1:17 pm
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Hello All,

Fairly new here, although i've been looking through countless threads and pictures looking for help in designing a launcher. I've decided...

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I would make the wooden part out of resin too, then drill holes in it.

Also, your current resin part is far too thick, you can make it half the size...
51 Replies

17281 Views

Last post by Zorlord
Sat Aug 04, 2012 10:54 am
Sitting on a load of cash.......now what should I build?

Last post by limbeh
Replies: 17
by limbeh » Mon Jul 16, 2012 8:40 am
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My uni is building potato cannons as teaching aids and for student projects.

(Note: I'm not in the picture)

Upon hearing this, I stepped up and...

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Well yeah, the rifling wasn't my idea though, it's theirs. Their purpose for building it as to give freshmen a taste of the real world - ie that real...
17 Replies

5748 Views

Last post by limbeh
Sat Aug 04, 2012 9:50 am
QEV Bolt-action cannon design help

Last post by Ed
Replies: 4
by Ed » Thu Aug 02, 2012 5:52 pm

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Hi, I'm new here at spudfiles, and this is my first post. I've been looking to make my own spudgun for some time now, and since I'm located in CA,...

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Can you provide a picture of the quick disconnect w/ the schrader adaptor?

If you can use threaded steel, then do it, it'll handle ridiculous...

4 Replies

5604 Views

Last post by Ed
Fri Aug 03, 2012 10:28 pm
under the barrel piantball grenade launcher

Last post by tjrobison11
Replies: 2
by tjrobison11 » Fri Aug 03, 2012 6:29 pm

First post

i want it to be pretty short , and the highest psi i can go to is 125. i was thinking burst disk was the way to go but if anybody has any suggestions...

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ok thanks i will give i a try, i really want some kind of pre-charged catrige that i could load though. i while also make one for airsoft if that...

2 Replies

1437 Views

Last post by tjrobison11
Fri Aug 03, 2012 10:04 pm
Qev "shorty forty" build

Last post by silentkill12345
Replies: 8
by jonesy42 » Wed Aug 01, 2012 5:29 am

First post

This is my other project, the semi auto .40 cal shorty forty
From a little wood stock i had lying around.

I need some ideas for a trigger and...

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He's going to use the 3 way valve he mentioned earlier to make it semi-auto.

Nice job. Any chance of bringing the chamber and barrel closer and...

8 Replies

3764 Views

Last post by silentkill12345
Fri Aug 03, 2012 11:50 am
Dry ice to pressurise tank

Last post by Zeus
Replies: 21
by shiny455 » Wed Aug 01, 2012 4:01 am
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i have done a bit of searching and research on this although admittedly probably not enough. It has been discussed that dry ice can be used to refill...

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Very good then, I'd got myself set up for a gun owning anti argument, and we're in furious agreement
21 Replies

8861 Views

Last post by Zeus
Fri Aug 03, 2012 5:07 am
Cannon Design Help

Last post by jackssmirkingrevenge
Replies: 8
by doomburger » Thu Aug 02, 2012 9:08 am

First post

Hey guys! I am designing an aluminum marshmellow spud gun, and I want to make sure my design works before I buy all the things from McMaster.com......

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I am willing to say it probably took longer for you to make your sketch than it took me to do my version. :)

I believe that :) looks great as...

8 Replies

2473 Views

Last post by jackssmirkingrevenge
Thu Aug 02, 2012 9:47 pm
Dark Knight cannon rises

Last post by MrCrowley
Replies: 23
by jsefcik » Fri Jul 27, 2012 6:06 pm
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I finally get to post this beast, i had wanted this valve , after mattyzip told me about the performance of the dust collector valve and after a...

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Well done Jesse, I'm locking your topic.

Jesse has deomstrated to me in the past that he will lie to try and support his position; I doubt he's been...
23 Replies

9013 Views

Last post by MrCrowley
Wed Aug 01, 2012 8:13 pm
full auto help

Last post by jackssmirkingrevenge
Replies: 5
by tjrobison11 » Tue Jul 31, 2012 3:15 pm

First post

i am trying to use a safety valve with a qev to achieve full auto but when the pressure reaches the point to make the safety valve piolet it just...

Last post

The best route is to use the pop-off as a valve directly, as I had done with my various prototypes:

Modified pop-off valve

custom pop-off v1.0...

5 Replies

2002 Views

Last post by jackssmirkingrevenge
Wed Aug 01, 2012 3:55 am
Ball Valve Question!

Last post by doomburger
Replies: 12
by doomburger » Tue Jul 31, 2012 11:36 pm

First post

Hey guys! I'm buying a 2.5 PVC ball valve (can't find a sprinkler valve anywhere) for my spud gun, and someone has told me that after a while it...

Last post

Ah I see now! you have enlightened me :P Thanks!

12 Replies

3413 Views

Last post by doomburger
Wed Aug 01, 2012 12:54 am
Project batman, mini build log

Last post by ramses
Replies: 37
by kydavies » Sun Jul 22, 2012 1:47 am
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My latest project, something inspired by batman :) . A grappling hook launcher that fits in your pocket (or utility belt:). Let's cut to the chase;...

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5000 lb test Expensive, but actually rated for rapelling.

Cheaper, but not rated and weaker.
37 Replies

11795 Views

Last post by ramses
Tue Jul 31, 2012 7:44 pm
mpmrla's .36 and .50 cal qev muzzleloader questions

Last post by jonesy42
Replies: 35
by jonesy42 » Tue Jul 24, 2012 1:18 pm
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Hi.., has anybody built the above muzzleloader's?,... i have a few questions?
Firstly, i have nearly all the parts that mpmrla has listed in his...

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@JSR , Gippeto , etc... i am going to start a new thread on my build, as
it is morphing into something quite different to mpmrla's. Ive saved this...
35 Replies

8351 Views

Last post by jonesy42
Sun Jul 29, 2012 4:41 am
Spudgun Build Help!!

Last post by doomburger
Replies: 10
by doomburger » Sat Jul 28, 2012 1:51 am

First post

Hey guys! I am looking to create a pneumatic spud gun. It will be quite small and will shoot tennis balls. I have decided to use ABS plastic so that...

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Ah a ball valve is is the only thing in the online store I'm using, but I will try look around for a sprinkler valve or a dust collector valve....

10 Replies

2986 Views

Last post by doomburger
Sat Jul 28, 2012 10:37 pm
How did he build this?

Last post by ramses
Replies: 13
by Live1nce » Mon Jul 23, 2012 11:52 pm

First post

Just was browsing through the internet, and happened to run into this

Does anyone have any idea how he built this? If you look closely at the...

Last post

I really like that mouse musket design! :)

The issue is, depending on how big of a barrel you want, (diameter), you will have a fairly small...

13 Replies

5391 Views

Last post by ramses
Fri Jul 27, 2012 11:28 am
carbon fibre round tubing?

Last post by Goats spudz
Replies: 4
by jonesy42 » Tue Jul 24, 2012 10:15 pm

First post

Has anyone used carbon fibre tube for a 9mm barrel or similar size?
Claims to be: lighter than aluminium- stronger than steel)

PS,... I live in...

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I used Carbon fiber as a barrel once, it worked for a while then split, the splinters arent health aswell.

4 Replies

1968 Views

Last post by Goats spudz
Thu Jul 26, 2012 8:14 am
Lever HP-pump.. need help with math / O-ring-Question

Last post by jackssmirkingrevenge
Replies: 12
by jean » Sun Jul 08, 2012 1:23 pm

First post

hey guys

i need help

say i have to build a one-stroke-pneumatic, something like the Sharp Innova, with only one stroke to pump it up.

i have...

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like to know the difference between 2ml/600psi and 1ml/1200psi in fps- higher ?!?

Yes, here's the data from a virtual GGDT model I had done to...

12 Replies

3641 Views

Last post by jackssmirkingrevenge
Thu Jul 26, 2012 12:16 am
coaxial piston valve cannon- piston wont return

Last post by Brian the brain
Replies: 1
by mr.potatohead » Wed Jul 25, 2012 10:49 am

First post

i created a coaxial piston valve cannon and when i let the air from the pilot out the piston still stays forward.... how can i fix this

Last post

Use the search function.

members have been dealing with these issues on here since the dawn of Spudfiles.

here are a few example threads I found...

1 Replies

1905 Views

Last post by Brian the brain
Wed Jul 25, 2012 11:28 am
Paintball Tank Questions

Last post by Solar
Replies: 27
by sagthegreat » Sun Jul 01, 2012 12:55 pm
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I am using a HPA 3000psi paintball tank that is regulated to 800psi, i figured that i would need to regulate it to about 100-200psi so I could use it...

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I know that the techs at Ninja can calibrate them below 300. Palmers are good and adjustable but if you can get away with just a single stage that...
27 Replies

8600 Views

Last post by Solar
Wed Jul 25, 2012 2:35 am
Custom air cannon Sabots

Last post by jrrdw
Replies: 8
by Spud Destruction » Mon Jul 23, 2012 6:39 pm

First post

Well the episode is here were we debut our custom made sabots to use in our air cannon, hope you enjoy the episode and let me know on the feed back...

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More range. Can you get another 25 yards in between the muzzle and target/s? I think the 1st sabot would have survived if it had not hit the beib......

8 Replies

4711 Views

Last post by jrrdw
Tue Jul 24, 2012 4:36 pm
high capacity magazine

Last post by jackssmirkingrevenge
Replies: 15
by tjrobison11 » Fri Jul 20, 2012 5:06 pm
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i need to make a high capacity magazine for my automatic air cannon, i will be shooting .5 caliber slingshot ammo, any help is greatly appreciated

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Mags... those drums are really heavy!

Hmmm...
15 Replies

5153 Views

Last post by jackssmirkingrevenge
Tue Jul 24, 2012 4:30 pm
Scuba tank refill

Last post by Goats spudz
Replies: 17
by ferret_guy » Mon Jul 23, 2012 1:50 pm
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I was thinking of using a scuba tank to refill a galvinised steel pressure vessel for my next spud gun to enable quivk high pressure refills my...

Last post

The Delrin would seal at high pressures, soft sealing faces would crush and wear.
17 Replies

5170 Views

Last post by Goats spudz
Tue Jul 24, 2012 3:49 pm
How Efficient> Full Auto Attempt

Last post by svdesigns
Replies: 2
by svdesigns » Sun Jul 22, 2012 1:47 pm

First post

Hi everyone just wondering on peoples thoughts on this setup. Basically the setup is going to be attached to a qev with a pop off valve set to...

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yeh thanks for the input the reason the blow foward is so long is given the tools i have its the only way i could make it stay straight, also i...

2 Replies

1407 Views

Last post by svdesigns
Mon Jul 23, 2012 3:23 am

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