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

618823 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

343300 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

291892 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

536806 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

281163 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

66443 Views

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

Topics

More power

Last post by farcticox1
Replies: 12
by Polymath » Sat Feb 09, 2019 11:17 am

First post

Hi there, new to aircannons and spudfiles, I have build a semi auto air cannon firing 8 mm steel balls, I am using a qev, with air chamber 1” x 6”,...

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One of these would be perfect, and you don't need any power

s-l64.jpg

This is something I made with a homemade QEV, you get a ready made trigger...

12 Replies

5967 Views

Last post by farcticox1
Sun Feb 17, 2019 1:32 pm
Breach Loaded Pneumatic Rifle

Last post by farcticox1
Replies: 6
by Potato Demon » Mon Feb 11, 2019 6:46 pm

First post

I was at the hardware store a few days ago and I thought “Why not make my 9th spud gun?”. Do I did. It managed to stick a blowgun dart in my garage...

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This one is pretty simple, and it uses a bike pump :shock:

6 Replies

5330 Views

Last post by farcticox1
Wed Feb 13, 2019 6:08 am
Help finding a valve for my airgun

Last post by jackssmirkingrevenge
Replies: 8
by northbank1 » Sun Jan 20, 2019 8:08 pm

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Hello I want to make a airgun that uses a solenoid valve. I have looked for an hour but I can't find a valve that will fit my needs.
I need a valve...

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Would a hydraulic valve work with air

I've had hydraulic tubing leak at 4500 psi when used as part of a high pressure fill setup, it depends on the...

8 Replies

4984 Views

Last post by jackssmirkingrevenge
Mon Feb 04, 2019 11:53 am
What valve should i use?

Last post by farcticox1
Replies: 2
by brandon2513 » Sun Feb 03, 2019 11:07 pm

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I am looking for something small and cheap i will be filling it from a 1/4 schrader valve because it needs to be portable, thanks.

Last post

Exactly what I would suggest

2 Replies

3645 Views

Last post by farcticox1
Mon Feb 04, 2019 5:01 am
Spring-Loaded Ball Valve patent from 1880

Last post by jackssmirkingrevenge
Replies: 4
by jackssmirkingrevenge » Thu Dec 13, 2018 1:53 pm

First post

US229868A patent

My invention consists of the stock of the arm, hollow or partly hollow, receiving air under pressure and communicating with the...

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it appears to be a dump valve so probably one decent shot then 10 minutes of pumping.

If you look at the diagram, the valve marked P appears to...

4 Replies

4118 Views

Last post by jackssmirkingrevenge
Sat Jan 19, 2019 5:21 am
Projectiles

Last post by mark.f
Replies: 4
by brandon2513 » Sun Jan 06, 2019 4:23 pm

First post

Hi would anyone happen to know any projectiles that would fit snugly inside a 3 inch pvc pipe?

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Certain canned goods fit the bill, depends on what effect you want to achieve on the target ;)

:D

(Also frozen 20oz's supposedly work but I...

4 Replies

3781 Views

Last post by mark.f
Sat Jan 12, 2019 10:50 am
Airsoft Shotgun

Last post by farcticox1
Replies: 7
by brandon2513 » Sat Dec 29, 2018 9:38 pm

First post

Hi i am relatively new to all this and i wanted to build an airsoft shotgun that runs of an HPA tank or some sort of portable air source, and that u...

Last post

I removed the solenoid coil and made a grip from 1 pvc pieces. The red button is the trigger.

pv_avs331324d_02.jpg

7 Replies

4925 Views

Last post by farcticox1
Wed Jan 09, 2019 5:15 am
First ever pneumatic potato cannon

Last post by jackssmirkingrevenge
Replies: 3
by ToneTheDog » Sun Dec 16, 2018 11:34 am

First post

So I’ve wanted to get into building spud guns in the past and since I just got my first job I figured why not try and build one. Its one of those...

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Welcome!

The piston was just a mason jar

oh.

...which leads me to think its something to do with the piston.

uh huh.

I don't think we need...

3 Replies

2848 Views

Last post by jackssmirkingrevenge
Mon Dec 17, 2018 10:06 am
GGDT and hammer valves

Last post by jackssmirkingrevenge
Replies: 4
by jackssmirkingrevenge » Tue Dec 11, 2018 6:48 am

First post

Had some discussion on the GTA forum and a few users modeled their hammer valve PCPs using GGDT and the predicted performance in terms of energy was...

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Mass production models or home built I wonder? There would be differences in the builds.

Home builds with conventional valves, technically it's the...

4 Replies

4146 Views

Last post by jackssmirkingrevenge
Thu Dec 13, 2018 6:39 am
QDV design - airflow vent shape

Last post by jackssmirkingrevenge
Replies: 3
by fluffyisepic » Sun Dec 09, 2018 10:07 pm

First post

I'm looking to put together a T-shirt cannon for a school project this January, and have been reading around on QDV design. Officially the project is...

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Thanks! I think I'll stick with the coaxial design; at 2 the other example may prove to be more of a headache than I want to deal with.

It can...

3 Replies

2399 Views

Last post by jackssmirkingrevenge
Thu Dec 13, 2018 6:36 am
Second Pneumatic Potato Gun

Last post by Potato Demon
Replies: 7
by Potato Demon » Wed Nov 21, 2018 11:43 pm

First post

Hello SpudFiles, I have made a second pneumatic spud gun. I just finished it a few hours ago and I need to let the cement dry for a full 24 hours...

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Actually it is not leaking there, it is leaking on the pvc to pvc part. I guess the threads are damaged or something. Oh well I guess it shouldn’t be...

7 Replies

5478 Views

Last post by Potato Demon
Wed Dec 05, 2018 9:47 pm
Pneumatic cannon (Thumper)

Last post by jackssmirkingrevenge
Replies: 5
by Olay » Fri Nov 30, 2018 3:44 pm

First post

I thought my project would be interesting for you.

I built it for a school project. It's intended to shoot tennis ball (at 100psi = 70meters),...

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Paired with a stronger DC motor I believe I could achieve that. I was aiming at around 200-300psi.

I'm not sure a stronger motor alone would be the...

5 Replies

3032 Views

Last post by jackssmirkingrevenge
Sun Dec 02, 2018 7:22 pm
Using solenoid as main valve.

Last post by jackssmirkingrevenge
Replies: 4
by MuntedKoala » Wed Nov 28, 2018 8:12 pm

First post

Hello,

I am planning a new Nerf build. I am thinking of using a solenoid similar to this. Just wondering if any of you have experience with those...

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I would highly recommend becoming familiar with Gas Gun Design Tool so you can know what parameters are going to give you the performance you need.

4 Replies

2528 Views

Last post by jackssmirkingrevenge
Sun Dec 02, 2018 7:09 pm
Nerf Launcher help/how-to

Last post by Bosgarage57
Replies: 3
by Bosgarage57 » Wed Nov 28, 2018 12:29 pm

First post

Hello fellow spud heads. I am new here. I play paintball and in bigger scenario's we are allowed Anti-Tank launchers that launch 40mm pocket nerf...

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Thanks guys, i'll check those out.

As for parts I have a plethora of paintball parts (palmers stabilizer, and various other regulators) I can use...

3 Replies

2286 Views

Last post by Bosgarage57
Fri Nov 30, 2018 8:56 am
My BSP (bovine safe pneumatic) v2

Last post by jackssmirkingrevenge
Replies: 7
by notarobot » Wed Nov 21, 2018 3:10 pm

First post

Here is my latest pneumatic.
I have been working on this gumball shooter for the better part
of this year trying to create a mechanism which:
1-...

Last post

Actually, I was trying for redneck rather than steampunk.

Too much effort in that wood to be redneck :)

Epoxy implies a certain permanence, and...

7 Replies

4513 Views

Last post by jackssmirkingrevenge
Fri Nov 30, 2018 7:27 am
BFG #7

Last post by farcticox1
Replies: 26
by farcticox1 » Sun May 07, 2017 9:47 am
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That's right, you know it

Time to call it finished, compressed air (135 psi) powered, 10mm ball bearing ammo, semi automatic, magazine holds 10...

Last post

Well spotted, that's the profile I used :D
26 Replies

20044 Views

Last post by farcticox1
Mon Nov 26, 2018 5:26 am
Sprinkler valve help

Last post by Potato Demon
Replies: 3
by Potato Demon » Sun Nov 18, 2018 5:54 pm

First post

Hi, I recently purchased an Orbit model 57461 sprinkler valve and I modded it with a blowgun. In the tutorial I was following (same model and...

Last post

There is an air leak but I believe I can fix it. It is a high pitched noise.

3 Replies

3174 Views

Last post by Potato Demon
Mon Nov 19, 2018 6:31 pm
Mechnanically locked spool valve

Last post by jackssmirkingrevenge
Replies: 4
by jackssmirkingrevenge » Thu Nov 15, 2018 11:42 am

First post

I have more than a couple scrap paintball markers knocking about, I've been thinking of using the trigger from something like that for a relatively...

Last post

warm, only -5, snow.

I expected worse :)

I understand that the flow section should be more, but this requires large parts, they are expensive,...

4 Replies

2989 Views

Last post by jackssmirkingrevenge
Thu Nov 15, 2018 2:03 pm
The Beast - 10mm cal pneumatic rifle

Last post by hectmarr
Replies: 32
by jackssmirkingrevenge » Sat Apr 14, 2007 4:49 am
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Here's a bit of a blast from the past - this is The beast - so named because compared to my other projects, it was the biggest and most powerful...

Last post

I tried the first version, the one with the front seal, something messy, but it works well. The second version, the one with two rings, I can build...
32 Replies

23632 Views

Last post by hectmarr
Wed Nov 07, 2018 11:41 pm
My First Pneumatic

Last post by Potato Demon
Replies: 9
by Potato Demon » Tue Oct 30, 2018 10:31 pm

First post

Hi, I recently built my first pneumatic potato cannon. It has a 2’ x 2” ABS air tank, a 2 inch ball valve trigger, and a barrel the same size as the...

Last post

I find that wooden projectiles about the size of a red potato wrapped in duct tape work very well.

9 Replies

5540 Views

Last post by Potato Demon
Mon Nov 05, 2018 7:01 pm
Full Auto 50

Last post by jackssmirkingrevenge
Replies: 75
by kustomkb » Thu Feb 20, 2014 11:02 pm
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Inspired by e_smith2000's AA gun, ( ) I started on one of my own.

Here is a screen shot of the basic design;

I started on a jar-top valve...

Last post

If I say I am going to do something, I do it. It may take five years, but it gets done.

How many times has the wife heard that :D

I can adjust...
75 Replies

41488 Views

Last post by jackssmirkingrevenge
Sat Oct 27, 2018 5:47 am
Low cost High pressure compressor

Last post by wafen
Replies: 17
by Spudinator » Wed Feb 07, 2018 1:04 pm
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So I've recently got into PCP air rifles which require up to 4500 PSI charge pressure, and initially thought I would have to go to paintball or scubs...

Last post

Well,exactly they are much cheaper in China.

*These things in China use 220v.
17 Replies

14010 Views

Last post by wafen
Thu Oct 25, 2018 7:57 pm
Starting a new build

Last post by Flounder
Replies: 19
by Flounder » Tue Aug 21, 2018 4:57 pm
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I have been lurking here for awhile and decided it was time to register and try to take advantage of the collective mind for a build. I am a...

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using GGDT I came up with a peak of less than the 40 psi limit. I also sourced an old oxygen tank today for free while out at a paintball event. I...
19 Replies

8403 Views

Last post by Flounder
Sat Sep 22, 2018 6:19 pm
Pneumatic RC Plane Launcher

Last post by jackssmirkingrevenge
Replies: 10
by Phil » Wed Sep 12, 2018 1:48 pm

First post

Hi, i have an RC plane and I want to do this:

My plane wheight is 1.5kg and I need to fly at first between 70 to 100 Km/h (the wings are small and...

Last post

Do you think that I ca use Paintball accessories to do it? A bottle, a regulator to fill the chamber and a trigger system ? Like that I have just to...

10 Replies

5065 Views

Last post by jackssmirkingrevenge
Tue Sep 18, 2018 4:37 am
coupler burst disk M72 law

Last post by iknowmy3tables
Replies: 4
by iknowmy3tables » Fri Aug 31, 2018 4:47 pm

First post

Hey spudfiles long time no see,

my at4 recently died on me, I'm not sure how but the toolies valve piston got bent and permanently lodged itself...

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Yeah I shrunk the burst disk size to in theory increase rupture pressure and have less burst disk material overall all to hopefully make this more...

4 Replies

3125 Views

Last post by iknowmy3tables
Mon Sep 17, 2018 10:28 am

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Pneumatic Cannons

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