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

1205867 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

606212 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

858807 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

1022099 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

393172 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

100310 Views

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

Topics

Sound barrier

Last post by jackssmirkingrevenge
Replies: 31
by Tidbit77 » Wed Dec 03, 2008 4:08 pm
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How many of you have sent something supersonic out of a pneumatic spudgun using only compressed AIR? If you think its not possible, or if you do... I...

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Size doesn't matter when it comes to velocity

In terms of calibre, yes, but barrel length and chamber size are very relevant factors in the...
31 Replies

9717 Views

Last post by jackssmirkingrevenge
Thu Dec 04, 2008 1:08 am
Hammer Valve Rifle

Last post by Gippeto
Replies: 4
by pocket » Wed Dec 03, 2008 8:20 pm

First post

Hey guys,

I recently got a free .22 cal. pellet gun barrel that came off a QB78 for free. so i needed a place for it to go so i have been playing...

Last post

Pocket, you were worried about leaks, right?

In the diagram I put up, you can see that the solution used by Crosman, is to put the transfer port...

4 Replies

5718 Views

Last post by Gippeto
Wed Dec 03, 2008 10:31 pm
What valve?

Last post by Dgealy

by Dgealy » Wed Dec 03, 2008 8:42 pm

I'm thinking of an airsoft shotgun that's run off of a Co2 tank in a backpack with a hose to the gun. It would be pump, but I've gotten that all...

0 Replies

1793 Views

Last post by Dgealy
Wed Dec 03, 2008 8:42 pm
Silencing BB guns

Last post by SP00K
Replies: 2
by zac_sraw » Wed Dec 03, 2008 4:21 am

First post

Hi i am going to make a bb gun but i have never made one before and i was wondering how much sound they make.
I want to make a silencer for...

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There are many different places in which to look for silencers.

Behind them however, is all the same concept. They are a ported extensions of...

2 Replies

1651 Views

Last post by SP00K
Wed Dec 03, 2008 8:25 pm
All Aluminum PB gun

Last post by pocket
Replies: 4
by pocket » Fri Nov 28, 2008 10:20 pm

First post

well guys i was surfin the web and came across this forum pic and poopied myself anyways its a pretty sick hammer valve operated gun and it made me...

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idk i think this guy is something else not the machining part but the design and how he brought it in to replicate a bolt action AR that is why i...

4 Replies

2081 Views

Last post by pocket
Wed Dec 03, 2008 7:35 pm
PVC and copper

Last post by jackssmirkingrevenge
Replies: 10
by airman » Tue Dec 02, 2008 6:23 pm

First post

I'm trying to build my first airgun and I'm having a hard time finding the right material in canadian hardware stores. I finally managed to find PVC...

Last post

Mastery of the epoxy technique will allow you to create effective launchers at low cost, using very little standard parts:

The disadvantage of...

10 Replies

4540 Views

Last post by jackssmirkingrevenge
Wed Dec 03, 2008 3:28 pm
Break-barrel airsoft shotgun

Last post by taytayswims
Replies: 18
by isban » Fri Nov 28, 2008 10:32 pm
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i made this for airsoft since i didnt have money for a new gun. it uses empty shotgun shells with the backs drilled out full of bbs and some wadding....

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looks like a fun little plinker. and I really like your break barrel idea, I think im gonna make my next cannon with a simmilar loading system :) ....
18 Replies

11721 Views

Last post by taytayswims
Tue Dec 02, 2008 5:39 pm
Plans for a 3-shot bb sniper rifle.

Last post by john bunsenburner
Replies: 16
by elad311 » Sun Nov 30, 2008 12:18 pm
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I got an idea for a good 3-shot bb sniper rifle:
Well?

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Sounds like a plan thank you!
16 Replies

10233 Views

Last post by john bunsenburner
Tue Dec 02, 2008 10:54 am
Metal water bottle thread size?

Last post by mark.f
Replies: 6
by NatoHub » Tue Nov 25, 2008 4:03 pm

First post

Do most metal water bottles have a common thread size for the cap (for use as an air chamber)? If so, what is it?

I'm looking to make something...

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They are 3/4 Garden hose threads, I believe. Just buy an adapter to NPT for around 5 bucks.

EDIT: Yup .

6 Replies

2637 Views

Last post by mark.f
Tue Dec 02, 2008 10:12 am
How you reckon this will turn out ? (Will it work )

Last post by FishBoy
Replies: 11
by Stifler69 » Tue Dec 02, 2008 2:03 am

First post

Ok well I've had this project sitting in my work shop for awhile and all my mates say it wont work but i though i should ask the masters (you).

All...

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No. Just No. Seriously. Don't even THINK about using square tubing for holding pressure.
It's not safe at all - no matter what pressure you use,...

11 Replies

5470 Views

Last post by FishBoy
Tue Dec 02, 2008 7:06 am
"No Country" Captive Bolt question

Last post by jackssmirkingrevenge
Replies: 13
by Lentamentalisk » Sat Nov 29, 2008 5:52 pm

First post

Alright, I know that any true spudgunner has seen No Country For Old Men , if only to see a creepy dude with a pneumatic device, kicking ass.

What I...

Last post

It basically works like any pneumatic nailgun - quick release valve that drives a piston.

Also, holding it to the door is irrelevant. For all...

13 Replies

12292 Views

Last post by jackssmirkingrevenge
Mon Dec 01, 2008 12:44 pm
New Kiwi Gun Advice

Last post by microman171
Replies: 10
by microman171 » Sat Nov 29, 2008 8:24 pm

First post

My Bazookair cannon just grew mould. I dont know if PVC is affected by this or not, but my pipe was very old and yellowish.

So I have decided to...

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Wow Thanks :-). So a merchant will be better than Bunnings andthe like, or an actual plumber?

I dont have a quick connect, but I do have a 3/4...

10 Replies

2155 Views

Last post by microman171
Sun Nov 30, 2008 1:11 pm
oil on o-rings?

Last post by MaxuS the 2nd
Replies: 8
by marpat » Sat Nov 29, 2008 6:13 pm

First post

i just bought a 20 oz paintball co2 tank at cabelas
the urethane o-ring on it seemed dry so i was wondering if it would be safe to put a little rem...

Last post

Or a Lithium based product.

8 Replies

5454 Views

Last post by MaxuS the 2nd
Sun Nov 30, 2008 11:13 am
Best gasious power

Last post by john bunsenburner
Replies: 43
by john bunsenburner » Fri Nov 28, 2008 3:31 pm
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I am trying to build my new sniper rifle as strong as possible and i have five main ways to power it, maybe some one could help me out!:

1. Soda...

Last post

Ok thank you, ill go get one in the coming week(s) depends when i get rid of the horrible cold i have...
43 Replies

7600 Views

Last post by john bunsenburner
Sun Nov 30, 2008 3:37 am
Help with my Cannon

Last post by jrrdw
Replies: 2
by KyleWoodall » Fri Nov 28, 2008 4:57 pm

First post

I have a double chambered cannon with a 1.5 sprinkler valve. I modded the sprinkler vavle with about 18 of SS tubing going to a blow gun. We started...

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Are you using the sprinkler valve as the main valve? Or as a piloting valve?

Have you taken the sprinkler valve apart and inspected it for flaws?...

2 Replies

1127 Views

Last post by jrrdw
Fri Nov 28, 2008 6:24 pm
Sprinkler valve

Last post by MrCrowley
Replies: 12
by airman » Fri Nov 28, 2008 12:29 pm

First post

Can you tell me how much pressure can a sprinkler valve withstand? Per example, a Rain Bird is rated at 150 psi with water. Will it work at higher...

Last post

Well, that's great to know! :D

Thanks!
Rarely do people on this forum take sprinkler valves above 125psi, let alone 150psi. I think I recall one...

12 Replies

2984 Views

Last post by MrCrowley
Fri Nov 28, 2008 3:48 pm
My Pneumatic Crossbow Prototype

Last post by Ragnarok
Replies: 22
by jor2daje » Tue Nov 18, 2008 7:22 pm
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This is my attempt at a pneumatic crossbow, I know jsr has already made one and its probably better.

I got a cheap fiberglass bow from a garage...

Last post

I've been thinking more on the energy transfer,
and basically the pneumatic piston adds power and does not take from it.
It adds velocity at the...
22 Replies

7821 Views

Last post by Ragnarok
Fri Nov 28, 2008 1:58 pm
Soda club pneumatic

Last post by john bunsenburner
Replies: 3
by john bunsenburner » Thu Nov 27, 2008 3:21 pm

First post

I have one of those soda club carbonating machines at home, there is an adaptor for the bottels on ebay and i could even fill them my self. They have...

Last post

I by no means am trying to double post but i really need an answer to my little question...I am trying to build this gun as strong as possible and i...

3 Replies

1033 Views

Last post by john bunsenburner
Fri Nov 28, 2008 12:41 pm
Assault gun with scope gone sniper update:04/08/08update)

Last post by MrCrowley
Replies: 20
by BlackH » Tue Jul 08, 2008 2:12 am
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edit 4/08/08: now it works on 250psi and has a gluegun piston
shoots nice
damage pics soon!!!

This is my assault gun I just finished.
She works...

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where do you get a scope from. how much does it cost what kind is it
You can get scopes from air rifle/paintball websites/stores or gun...
20 Replies

12278 Views

Last post by MrCrowley
Fri Nov 28, 2008 1:31 am
NIX's Snipe

Last post by FordGtMan
Replies: 18
by NIX » Sun May 04, 2008 11:32 am
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Hi everybody.
I'm new on this forum. I'm french so I don't speak very good english :oops:.
I build a pneumatic cannon.
This cannon is a sniper with a...

Last post

Try walmart for $20. look in the airgun and paintball department
18 Replies

8988 Views

Last post by FordGtMan
Fri Nov 28, 2008 1:02 am
Just a thought on sprinkler valves

Last post by psycix
Replies: 6
by cheeseboy » Wed Nov 26, 2008 3:17 pm

First post

I was wondering whether modding the sprinkler valve to work on a blowgun and leaving the solenoid in then using both at the same time to actuate the...

Last post

Yep.
If you want a notable increase in performance, just use a better pilot valve.

6 Replies

1585 Views

Last post by psycix
Thu Nov 27, 2008 4:17 pm
full auto pneumatic

Last post by SEAKING9006
Replies: 16
by CYANIDEGENOCIDE » Wed Nov 12, 2008 3:41 pm
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I saw this image and thought it could work with minor redesign.
Instead of the spring in the back use air pressure to move the bolt. Put the spring...

Last post

Upload it as an attachment.
16 Replies

4975 Views

Last post by SEAKING9006
Thu Nov 27, 2008 2:16 pm
High pressure, LARGE automatic valve?

Last post by rp181
Replies: 4
by Number21 » Thu Nov 27, 2008 12:50 am

First post

I'm working on building a giant sized exact replica of my real shotgun with probably a 2 barrel. It will all be made from metal, and I'd like to try...

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keep in mind its 175$ for a solenoid, it will get much higher for faster opening valves. This butterfly valve.

4 Replies

1060 Views

Last post by rp181
Thu Nov 27, 2008 12:18 pm
Blowgun dart cannon

Last post by benstern
Replies: 24
by benstern » Sun Oct 26, 2008 3:34 pm
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It's been YEARS since I last posted a cannon on here, but I got the urge to make a cannon out of a commercially made blowgun I gotten.

It shoots...

Last post

Video of me shooting up the palm tree.
Video not altered in any way.
24 Replies

11517 Views

Last post by benstern
Thu Nov 27, 2008 12:27 am
El Bambino [Now Painted!]

Last post by Gippeto
Replies: 26
by VH_man » Tue Nov 25, 2008 10:23 am
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MIKE and JANET had a baby!

I give you El Bambino , A high-pressure copper piston coaxial sporting a QEV pilot and some sexayyy astetics, not to...

Last post

Cool! :D

Now it looks like one of those storm trooper hand weapons from the original Star Wars.
26 Replies

12676 Views

Last post by Gippeto
Tue Nov 25, 2008 9:10 pm

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