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

927302 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...

Last post

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

452634 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

471010 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

638260 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

332348 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

80286 Views

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

Topics

Airsoft pistol

Last post by wyz2285
Replies: 13
by wyz2285 » Tue Aug 31, 2010 4:44 am

First post

This is my latest build, a bb airsift pistol. So far only test it at 100 psi but as i'm going to buy a shock pumb i will shot it at 200 psi pretty...

Last post

Well i have to find a pressure regulator and a air tank first,i don't have any of them yet :oops:

13 Replies

10124 Views

Last post by wyz2285
Thu Sep 02, 2010 11:32 am
Basic Tennis Ball Cannon

Last post by MrCrowley
Replies: 31
by MrCrowley » Mon Aug 09, 2010 2:36 am
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Just a little something I made with one of the 2 sprinkler valves I picked up. Even though the valves are 27 years old, they cleaned up really well...

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Yeah it's weird how you can build something simple and fun and people love it, yet you build a hybrid and they lose interest before you've got the...
31 Replies

11993 Views

Last post by MrCrowley
Sat Aug 28, 2010 12:02 am
Need new floor pump

Last post by BeaverRat
Replies: 22
by BeaverRat » Thu Aug 26, 2010 11:37 am
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Well, my bike pump broke yesterday, so I'm looking for a new one. I would love to take this as an opportunity to get one capable of high pressures....

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Thanks guys, I decided to order the serfas pump, I only need to be able to reach 250 with that one. For the higher pressures, I have a fridge pump in...
22 Replies

4959 Views

Last post by BeaverRat
Fri Aug 27, 2010 10:06 pm
Need Compressor Help!

Last post by jimmy101
Replies: 9
by Mpeddlesden » Tue Aug 24, 2010 2:57 am

First post

I Got this A/C Compressor a while ago and My cousin and i did this to it, He thinks i should leave it how it is but i want it without all the wires &...

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You really need to get all that 120VAC wiring into a suitable box. It is a heck of a health and fire hazard exposed like that.

You might consider...

9 Replies

3071 Views

Last post by jimmy101
Fri Aug 27, 2010 9:03 pm
Another First QEV Gun

Last post by Lockednloaded
Replies: 5
by Lionel » Fri Aug 27, 2010 4:10 pm

First post

Just put together my first QEV gun today, been roaming around for a few months and waiting for the chance to built one up, think i'm hooked now.

11...

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for semi auto, I would mod the QEV to fill chamber side and get a blowgun for a pilot. that in conjunction with an airsoft hop-up and constant air...

5 Replies

1791 Views

Last post by Lockednloaded
Fri Aug 27, 2010 7:24 pm
New pneumatic - would like some advice on build and GGDT

Last post by Mercwear
Replies: 10
by Mercwear » Wed Aug 25, 2010 10:52 pm

First post

Hello,
I have been reading the site for a while and am in the process of building my 2nd pneumatic cannon. I have been using GGDT to run some tests...

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Thanks again for the replies.. I am going to stick with a 1.5 x 12in steel chamber for now and just up the PSI to around 150 to get 200+fps out of...

10 Replies

4260 Views

Last post by Mercwear
Fri Aug 27, 2010 2:00 pm
Basic Bolt Action Paintball Gun

Last post by bighead33
Replies: 8
by MrCrowley » Wed Aug 25, 2010 11:32 pm

First post

Now that the weather has warmed up a little bit, it seems I've caught spudgun fever as I built this over the weekend out of spare parts because I...

Last post

oops i am such a n00b :oops:

8 Replies

5328 Views

Last post by bighead33
Thu Aug 26, 2010 8:34 pm
chamber volume question

Last post by MrCrowley
Replies: 12
by ilovefire » Wed Aug 25, 2010 2:40 am

First post

sorry if this is a bit of an annoying question but i am making a coax with a 5mm bore and 50cm barrel and want to know what would be a good chamber...

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oh and would a 10mm x 450mm chamber be able to get me that 280m/s?
thanks, it would be a great help
Yup, GGDT says so.

12 Replies

2376 Views

Last post by MrCrowley
Wed Aug 25, 2010 3:16 pm
O-ring compression seal- leaking

Last post by saefroch
Replies: 6
by saefroch » Wed Aug 25, 2010 8:15 am

First post

I have begun a new build (which will be posted in the showcase soon if I can fix this issue) in which I am attempting to remove the rubber or...

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Thanks for the help, Technician. I got the problems identified. Now it's just another regular engineering challenge to fix them.

6 Replies

1760 Views

Last post by saefroch
Wed Aug 25, 2010 1:54 pm
Air tools for maintenance and use of key points

Last post by jrrdw
Replies: 1
by wasabiLovely » Tue Aug 24, 2010 3:26 am

First post

Confucius said: Bad times, we must first sharpen his tools. Each of these tools, no matter how good, should be properly maintained in order to...

Last post

AAAAAAAA, what????? PM me.

1 Replies

771 Views

Last post by jrrdw
Tue Aug 24, 2010 11:30 am
Simple "Shotgun"

Last post by PVC Arsenal 17
Replies: 5
by PVC Arsenal 17 » Sun Aug 22, 2010 10:20 pm

First post

I built this a few weeks ago for a Nerf tag scenario game called Humans Vs. Zombies. The nature of the game called for a shotgun type weapon to be...

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I imagine the actual firing pressure is much less considering only about half the cartridge's volume is used per shot, and that volume also expands...

5 Replies

2962 Views

Last post by PVC Arsenal 17
Tue Aug 24, 2010 10:20 am
( epoxy resin help

Last post by jackssmirkingrevenge
Replies: 1
by cannon monkey » Tue Aug 24, 2010 3:43 am

First post

hey guys it been a while since i been online computer problems and all. i have finished my 2 inch tee piston valve and all i need to do if find a...

Last post

Plenty of good advice here ;)

1 Replies

908 Views

Last post by jackssmirkingrevenge
Tue Aug 24, 2010 4:01 am
Which Shock Pump?

Last post by Crna Legija
Replies: 19
by BeaverRat » Sat Aug 21, 2010 1:29 am
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Hello,
I'm working on my high pressure cannon, and I was wondering what shock pump to buy. The pressure chamber is 10 cubic inches in volume. I would...

Last post

Tts not illegal unless you get caught :lol:
19 Replies

5030 Views

Last post by Crna Legija
Tue Aug 24, 2010 12:57 am
shock pump Q

Last post by Insomniac
Replies: 16
by ilovefire » Sun Aug 08, 2010 4:57 am
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i want to get a shock pump and found these two on ebay, which one would be the best to get?

1#

2#

Last post

Well, you could try the guy I bought mine from ( ).

Although there was the initial payment issue which I've already mentioned earlier... he...
16 Replies

4047 Views

Last post by Insomniac
Tue Aug 24, 2010 12:53 am
Simple "Shotgun"

Last post by PVC Arsenal 17

by PVC Arsenal 17 » Sun Aug 22, 2010 10:18 pm

I built this a few weeks ago for a Nerf tag scenario game called Humans Vs. Zombies. The nature of the game called for a shotgun type weapon to be...

0 Replies

4430 Views

Last post by PVC Arsenal 17
Sun Aug 22, 2010 10:18 pm
Valve wont fire.

Last post by Gun Freak
Replies: 15
by n2extreme1 » Wed Aug 18, 2010 5:34 pm
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Ok I read the stickies and found what might be my issue. I have an Orbit 1in valve. when I test it without air it works fine and you can hear the...

Last post

It looks DWV to me, the bushing in the front doesn't go all the way in...
15 Replies

4676 Views

Last post by Gun Freak
Sat Aug 21, 2010 9:34 am
"hammer project".French air cannon

Last post by JDP12
Replies: 6
by jules56 » Fri Aug 20, 2010 11:33 am

First post

Hi

Here is my hammer valve air cannon !
I hope to reach 60 bars, but for now I just bars 30 35!
It is al so state prototype to follow!...

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holy crap that is awesome! You are putting out some incredible work here, KEEP IT COMING! Great to have such talented new members

6 Replies

4136 Views

Last post by JDP12
Fri Aug 20, 2010 7:20 pm
Pneumatic Cannon for airsoft.

Last post by Mr.Sandman
Replies: 8
by Einhander » Mon Aug 16, 2010 9:04 pm

First post

Good afternoon everyone,

I am currently in the design phase for a pneumatic cannon for use in airsoft. Most of what I have been able to read has...

Last post

Getting hit with a tennis ball going 400 fps would be incredibly painful and could break ribs if shot close enough. You might want to use nerf pocket...

8 Replies

3820 Views

Last post by Mr.Sandman
Fri Aug 20, 2010 2:16 am
Sealing face leaking at pressures above 200psi

Last post by A-98
Replies: 35
by A-98 » Sat Aug 14, 2010 4:13 pm
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So I haven't been around here in a while, but I found myself with access to a full machine shop and figured I might as well give it a go for old...

Last post

Sweet thanks, that's a good idea.

Now my only question is; do I want to lacquer the cannon now? See, the problem is it's not really complete , it's...
35 Replies

16761 Views

Last post by A-98
Thu Aug 19, 2010 5:57 pm
Build for combat

Last post by wyz2285
Replies: 14
by wyz2285 » Tue Aug 17, 2010 3:57 am

First post

This is my latest pneumatic build.Before building it i made some objectives for this gun:
1.under 2kg
2.be accurant
3.be able to shot more than once...

Last post

the distance is about 20m,with 60 psi
Here is a video about how it's made and how it works :)

14 Replies

9596 Views

Last post by wyz2285
Thu Aug 19, 2010 3:54 am
DWV

Last post by Jeeperforlife
Replies: 20
by Lockednloaded » Sun Aug 15, 2010 11:24 pm
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DWV, or Drain, Waste, and Venting fittings are notorious in this forum for being dangerous and just plain stupid to use on any pneumatic cannon. DWV...

Last post

Edit, PM me that stuff, let's not hijack :wink:

Agreed.
20 Replies

7755 Views

Last post by Jeeperforlife
Wed Aug 18, 2010 8:29 pm
Looking for a regulator with a fast recharge.

Last post by ramses
Replies: 7
by n2extreme1 » Tue Aug 17, 2010 7:04 pm

First post

Ok guys I am finishing up my double barrel sprinkler cannon. I have a 4in chamber in the center and two 2in barrels on either side. I am using...

Last post

yeah, that should be fine.

7 Replies

2330 Views

Last post by ramses
Wed Aug 18, 2010 3:41 pm
Electronic activation Vs Blowgun

Last post by Technician1002
Replies: 5
by kainevg » Tue Aug 17, 2010 7:22 pm

First post

Hello,

I was wondering if there is much of a power decrease if you activate a sprinkler valve electronically rather than using a blowgun trigger.....

Last post

In a side by side test with a piston and sprinkler valve and a shooting chronograph, the piston outperformed the sprinkler valve delivering 4X the...

5 Replies

1445 Views

Last post by Technician1002
Wed Aug 18, 2010 12:18 am
Milsim RPG

Last post by clemsonguy1125
Replies: 14
by Chosen_1 » Mon Aug 16, 2010 11:15 am

First post

I want to build a RPG that uses a paintball co2 tank for power. I will be using nerf vortexes as my ammunition. Also, I would like to know how to...

Last post

Here, this one used dwv so replace it with pressure rated parts but should show you the basics of building one

14 Replies

3326 Views

Last post by clemsonguy1125
Mon Aug 16, 2010 9:37 pm
Piston Valve Pistol...

Last post by Crna Legija
Replies: 10
by BeaverRat » Sun Aug 15, 2010 6:22 pm

First post

Hello,
I have successfully made 3 piston valve cannons now - 1, 1.5 inch porter and 2, 3/4 inch porters. However, they all share a barrel length of 5...

Last post

Most of the time you have to order them online, also most home made valves have more flow then a qev because they have supports in the barrel port...

10 Replies

2529 Views

Last post by Crna Legija
Mon Aug 16, 2010 10:02 am

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