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

1204241 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

605755 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

858499 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

1021692 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

392955 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

100208 Views

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

Topics

Update 8/6/08 Damage pics and VIDEOS (yeah!) on page 5

Last post by Sticky_Tape
Replies: 71
by ImHUGEnJAPAN » Wed Apr 09, 2008 7:54 am
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UPDATE: 7/25/08 New pics on page 4 (primer stage)

I took my canon to the lake house last weekend to see how far I could shoot a potato out into the...

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I was tring to catch you not being 20 somthing anyways cool website.
71 Replies

27549 Views

Last post by Sticky_Tape
Thu Aug 07, 2008 10:19 am
4" piston valve help.

Last post by Gippeto
Replies: 11
by JDP12 » Tue Aug 05, 2008 4:50 pm

First post

I'm starting work on my massive t-shirt launcher, with a 4 tee serving as the piston housing, but I'm lookin for some tips on the piston itself- any...

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Have you concidered somethng like this?

It pilots very nicely with a modded blowgun.

The idea could be scaled up to what you need.

11 Replies

1870 Views

Last post by Gippeto
Tue Aug 05, 2008 9:19 pm
need a valve

Last post by jrrdw
Replies: 9
by F.E.A.R._Sniper » Tue Aug 05, 2008 10:59 am

First post

ok, so here is the deal. I am working on a portable spud gun that is chambered in .68 caliber. I have everything built and this bad boy is ready to...

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Your options are wide open. Would like to see pictures of it, before suggesting a valve.

9 Replies

3142 Views

Last post by jrrdw
Tue Aug 05, 2008 4:37 pm
sprinkler valve problems

Last post by jimmy101
Replies: 4
by RobK2K » Sun Aug 03, 2008 12:37 pm

First post

i there,
im new on this forum, and id like to make a pneumatic canon like that one :

How does the valve work? - To understand this you need a...

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Looks like Mr. Cornwell ( used a DWV Y in his design. It also looks like there is insufficient bracing between the barrel and chamber, particularly...

4 Replies

1073 Views

Last post by jimmy101
Mon Aug 04, 2008 3:01 pm
pneumatic burst disc?

Last post by starman
Replies: 9
by Demon » Mon Aug 04, 2008 8:51 am

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I was asking if putting a burst disk on a pneumatic ball valve canon would get better performance. because the time you open it the air will be...

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to say it as i mean it - burst disks is the worst valve ever made!

Worst...? or do you mean best, Spudfarm?

9 Replies

5246 Views

Last post by starman
Mon Aug 04, 2008 1:59 pm
Sprinkler valve maching gun

Last post by psycix
Replies: 17
by dudeman508 » Sat Aug 02, 2008 2:56 pm
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Ok, I found out that if you put a nozzle on the blow gun from a modded sprinkler valve and hold down the trigger it turns it into a maching gun. Have...

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1 sprinkler valve dumped in a 6mm barrel for Bb's ?
Thought of that too...
Though the air may be too less to use a blow-forward bolt mechanism....
17 Replies

3372 Views

Last post by psycix
Mon Aug 04, 2008 6:08 am
New Pneumatic: "Coagulation"

Last post by willarddaniels
Replies: 67
by LynyrdSkynyrd » Thu Jun 12, 2008 7:25 pm
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Here is our new cannon. Its got two 3 port, chamber sealing piston valves which can be fired independently.

Total chamber volume is about 2700...

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Thanks, not sure where there is a Tractor Supply Co around St. Louis though. Hell it's St. Louis, there should be another supplier around here...
67 Replies

26527 Views

Last post by willarddaniels
Sun Aug 03, 2008 10:51 pm
Mini Coaxial

Last post by Mr.Sandman
Replies: 6
by iisthemuffin » Fri Jul 18, 2008 11:54 pm

First post

Well, this is the first of my pneumatics i will be posting as i believe it deserves it. This is my first attempt at a piston. Please do not knock it...

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what??????????? i finally get credit for something? well you did a helluva lot better than i did so i should be giving you the credit :D nice job on...

6 Replies

3475 Views

Last post by Mr.Sandman
Sun Aug 03, 2008 10:23 pm
Car Powered Compressor!(100+HP)!!!(?)...

Last post by THUNDERLORD
Replies: 19
by THUNDERLORD » Tue Jul 29, 2008 10:44 pm
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Well, I've been thinking of running over Sh!t with a car again... :P

But only in a good way this time. I was thinking of this product :
Air Bag...

Last post

... so it might be possible for fueling combustions

but wait the carb on the engine converts the liquid gasoline into a vapor perfect for fueling...
19 Replies

5759 Views

Last post by THUNDERLORD
Sun Aug 03, 2008 2:09 pm
paintball howitzers

Last post by iisthemuffin
Replies: 5
by Mr.Sandman » Thu Jul 31, 2008 10:03 pm

First post

i recently got a job at fox paintball and the feild needs 2 howitzers or mortars for their scenario games. and my boss wants me to build him two...

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You could honestly just look at that picture and build the gun.

I know i could build one right now that would be perfect for you, just from seeing...

5 Replies

2103 Views

Last post by iisthemuffin
Sun Aug 03, 2008 12:22 pm
High pressure pump plans (Request, yup)

Last post by Necrosis
Replies: 13
by Necrosis » Sat Aug 02, 2008 12:57 pm

First post

I need help with this, In fact not with the pump itself, but with the valve.

The pressures involved will be too high for a bought checkvalve (I...

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@gippetto ohh now that does make sense... sorry

@ necrosis of course you'll have to use much smaller diameter of the piston and possibly use a...

13 Replies

3571 Views

Last post by Necrosis
Sun Aug 03, 2008 2:27 am
Use of sprinkler valves at high pressure

Last post by daxspudder
Replies: 11
by skyjive » Sat Aug 02, 2008 3:56 pm

First post

So I have a rather unsuccessful 1/2 inch copper piston gun that I am thinking of refitting with a sprinkler valve. The gun fills off 12g CO2...

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Ive heard of them being used as high as 350 before. Their construction is rather durable, and the 3/8 thick lid is more likely to split than strip...

11 Replies

4954 Views

Last post by daxspudder
Sun Aug 03, 2008 1:21 am
Supah-Valve Imitation

Last post by starman
Replies: 12
by mark.f » Sat Aug 02, 2008 9:55 am

First post

Well, I was bored last night, again, and decided to draw up this imitation supah valve.

It's a chamber sealing valve, but I designed it in a way to...

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Do you have access one of the real supahs? It seems like many years ago, the supah's drawings were publicly posted over at Spudtech, and later...

12 Replies

3830 Views

Last post by starman
Sun Aug 03, 2008 12:47 am
the "Victory" copper QEV rifle

Last post by Gippeto
Replies: 37
by origin unknown » Sun May 06, 2007 8:51 pm
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The Victory is my first copper QEV rifle. It is breech loading (credit goes to hotwired for this) and it is capable of 200 psi. The Parker QEV is a...

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The ball valve is acting as a safety .

This information was in the first paragraph.
37 Replies

14491 Views

Last post by Gippeto
Sat Aug 02, 2008 3:27 pm
Tekrome™ Shirt Launcher

Last post by starman
Replies: 14
by Launch-Tek » Fri Aug 01, 2008 9:18 pm

First post

This is a shirt launcher I custom made for a drag race team.
It uses a Tek-Valve™ with 2 porting and has a Tekrome™ finish. It also included a...

Last post

I like the hose clamp idea. Thanks!
I have seen it before but didn't think to use it on this launcher.

I've used heat shrink tubing shrunk up on...

14 Replies

7053 Views

Last post by starman
Sat Aug 02, 2008 12:34 am
portable piston valve

Last post by MrCrowley
Replies: 1
by newbmatic » Fri Aug 01, 2008 5:45 pm

First post

First, remember that I'm new and I'm a newb so go easy

OK well i have kind of thought up a piston valve that unlike other piston valves is that the...

Last post

Umm...you just described a piston valve.

The most common piston valves (co-ax, chamber seal, barrel seal) don't take up the whole gun, they only...

1 Replies

637 Views

Last post by MrCrowley
Fri Aug 01, 2008 6:07 pm
2" Piston Cannon Questions

Last post by psycix
Replies: 6
by spudkilla224 » Wed Jul 30, 2008 4:37 pm

First post

I've been looking at how 2 barrel sealing piston cannons are made, and i cannot figure out how to make the piston a tight fit. i know i could use...

Last post

Are you using a 2 porting in a 2 tee?
It will not work properly if you use a 2 piston with a 2 porting!
use a 2,5 or 3 tee and piston if you want to...

6 Replies

1855 Views

Last post by psycix
Fri Aug 01, 2008 5:06 am
The Concrete Breaker

Last post by mark.f
Replies: 14
by cardman625 » Sat Jul 26, 2008 8:15 pm

First post

This is my first post and latest cannon

specs:
8ft x 2in sch 40 barrel
5ft x 3in sch 40 tank
full 2in port piston tee valve triggered by a modded...

Last post

I know I already posted, but after you posted that diagram, I realized a few more things I liked:

1.) The simplicity of your design. It has been...

14 Replies

6560 Views

Last post by mark.f
Thu Jul 31, 2008 10:44 pm
Tippmann+Grenade Launcher

Last post by stevenarroyo
Replies: 6
by noname » Wed Aug 23, 2006 1:37 pm

First post

This is my paintball gun with a backpack grenade launcher clamped on. In these pics the blowgun trigger isn't clamped onto the front handle, but it...

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i would love to do something like this to my tippmann!

i have a tippmann custom pro with 16 J&J barrel and q-loader

6 Replies

3796 Views

Last post by stevenarroyo
Thu Jul 31, 2008 9:29 pm
my 1st Pneumatic!

Last post by stevenarroyo
Replies: 13
by FishBoy » Sat Jul 05, 2008 11:07 am

First post

Well, with 4 spray 'n prays under my belt i decided to make a pneumatic. I wanted something with the same size bore as my previous small gun (S&P),...

Last post

thats a cool cannon u got there :o

13 Replies

4875 Views

Last post by stevenarroyo
Thu Jul 31, 2008 9:26 pm
tell me what you think of this piston idea ;]

Last post by bikingpro911
Replies: 3
by bikingpro911 » Thu Jul 31, 2008 8:04 pm

First post

Tell me what you think.

i think i have a great idea on this piston design. i have i bealieve a 21mm socket with a i bealieve 3/8 threaded rod going...

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i know but not alot of people replyed to the last one plus i made mistakes in that. and it is not exact just almost :D

but i dont have a cam and...

3 Replies

1565 Views

Last post by bikingpro911
Thu Jul 31, 2008 8:25 pm
ERG_SB_C MKII Combat system

Last post by frankrede
Replies: 85
by frankrede » Thu Jul 03, 2008 10:36 pm
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ERG_SB_C MKII
Ergonomic Smoothbore Coaxial
____________________________

The cannon is near completion, all it needs is a new piston
Layout:Coaxial...

Last post

WOW :shock: that is one of the best guns i have seen!!
it cool like a weird paintball gun.
what gun uses that stock and handle?

am into woods ball...
85 Replies

25287 Views

Last post by frankrede
Thu Jul 31, 2008 6:59 pm
homemade air setup.

Last post by nivekatoz
Replies: 17
by Mr.Sandman » Mon Jul 28, 2008 10:45 am
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hey i was wondering if anybody had a homemade air system complete with psi gauge and quick connect valve. i was thinking of making one out of 4 inch...

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Yeah you could get your self a tank, and valve guage setup and fill your tank at the local gas station. for free. Im not sure how many shots you can...
17 Replies

4886 Views

Last post by nivekatoz
Thu Jul 31, 2008 6:26 pm
How Cool Would it Be?

Last post by mobile chernobyl
Replies: 24
by mobile chernobyl » Sun Jul 27, 2008 11:49 pm
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How cool would it be to have a semi-automatic, clip fed, caulk tube (or any other 2 barrel ammo) shooter?

Design summary:
-Ammo - 2 Dia 9 long...

Last post

Well I got all the PVC fittings drafted up in solidworks last night. I figured I'd just draft them myself because I couldn't easily find a solidworks...
24 Replies

10187 Views

Last post by mobile chernobyl
Thu Jul 31, 2008 3:06 pm
Valveless pellet rifle.

Last post by trollhameran
Replies: 16
by ALIHISGREAT » Tue Jul 29, 2008 6:22 pm
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after seeing the patent for the valveless gun again thanks to JSR ( )

i decided i needed to make one! (then came the relization it could and...

Last post

I am planning to build a prototype of my design, but im not certain it will work or not.
16 Replies

5379 Views

Last post by trollhameran
Thu Jul 31, 2008 11:16 am

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Pneumatic Cannons

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