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

892188 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

434120 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

366284 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

611607 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

325808 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

77325 Views

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

Topics

dual tank t-shirt launcher

Last post by patton
Replies: 17
by patton » Wed Oct 31, 2007 4:53 pm
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This was my first t-shirt cannon. I used a .75 in sprinkler valve with two parallel air tanks. I also used a 20 oz. co2 tank with a paintball air...

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thanks for the tips, the cannon was not stable at all without the wooden stabilizer becasue the entire weight of the valve and barrel would have been...
17 Replies

6490 Views

Last post by patton
Mon Nov 05, 2007 2:52 pm
The Eclipse semi-auto

Last post by Solar
Replies: 99
by Solar » Fri Mar 16, 2007 12:13 am
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Interchangeable barrel and volume chamber system. 40mm belt fed radial receiver.

Available in June.

Last post

Yes, it replaces the oem piston that operated the main valve in the rear of the launcher which was only rated to 250psi.

I wasn't going to pick up...
99 Replies

52811 Views

Last post by Solar
Mon Nov 05, 2007 4:15 am
Scorpion Class Platform.

Last post by patton
Replies: 42
by Boz » Sat Oct 14, 2006 9:50 pm
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Scorpion Class Multi-barrel Platform
Type of Cannon- Pneumatic
Chamber Size- 3 by 2 1/2' tanks x 4
Barrel Size-
Long Tom Barrel is 254cm /...

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the more the air and the faster the air gets to the tennis ball the better. as long as you have the valve release at the same time your ok. But boz...
42 Replies

20292 Views

Last post by patton
Sun Nov 04, 2007 11:33 pm
QEV filling to chamber and pilot

Last post by ammosmoke
Replies: 1
by blackhawk83 » Sun Nov 04, 2007 7:44 pm

First post

Ok, i have a 3/4 asco QEV. I was wondering if anyone has put a spring inside one of these valves allowing you to fill into the chamber? Also would it...

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Why don't you just have a small(er) firing chamber, and a reserve chamber? Put a check valve in between the two chambers, and tada! (This is if you...

1 Replies

764 Views

Last post by ammosmoke
Sun Nov 04, 2007 8:01 pm
Coin Shooting (U.S.)

Last post by SpudUke5
Replies: 18
by SpudUke5 » Fri Nov 02, 2007 7:58 pm
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From what i had heard, (This only applies to U.S. people only) It is illegal to deface any U.S. Currency, meaning that we cannont shoot holes through...

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@spudgunerrry: i shot a nail at a penny. Yea is see where this is goin, thanks jimmy and Benstern i understand, since i am not trying to defraud it...
18 Replies

5870 Views

Last post by SpudUke5
Sun Nov 04, 2007 11:29 am
CO2 setup questions??

Last post by cwazy1
Replies: 4
by cwazy1 » Sat Nov 03, 2007 8:14 pm

First post

So i am planning to get a co2 setup for my new pneumatic cannons because i've blown through 4 bike pumps and need something reliable.

what i was...

Last post

i figured it out.

4 Replies

1344 Views

Last post by cwazy1
Sun Nov 04, 2007 2:40 am
Co2 and blowgun

Last post by Hubb
Replies: 5
by Acdcmonkey1991 » Sat Nov 03, 2007 5:09 pm

First post

Hi all, I am currently working on an airsoft cloud bbmg (just for fun) and i just wanted to know if it is safe to hook up regulated c02 to a blowgun,...

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I don't see why it can't go anywhere on the chamber. I would, however, try to adapt some type of filter to it so that the airsoft pellets will not...

5 Replies

2342 Views

Last post by Hubb
Sat Nov 03, 2007 9:15 pm
Sleeve/Slide Valve?

Last post by blackosprey
Replies: 7
by blackosprey » Sat Nov 03, 2007 2:10 pm

First post

This was recommended to me by Ragnarok here . Just because I haven't seen these anywhere else, I was wondering if anyone else had used them and could...

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Unless I have my setup wrong, seems like those two valves are the expensive parts. Unless of course I went back to using a blowgun.

By the way, we...

7 Replies

2507 Views

Last post by blackosprey
Sat Nov 03, 2007 4:02 pm
Blue Thunder Tennis Ball Launcher

Last post by cwazy1
Replies: 19
by cwazy1 » Sun Sep 23, 2007 11:12 pm
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So this is my first air powered cannon and i am starting to really like air instead of combustions. So as the title says, it shoots tennis balls, and...

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about 40-50 pumps. so not super long, but long enough that it gets annoying. but i made my new co-axial and its half the chamber voluime and it makes...
19 Replies

7066 Views

Last post by cwazy1
Fri Nov 02, 2007 9:53 pm
Air Pressure Question

Last post by BigGrib
Replies: 5
by GrafixBoy » Thu Nov 01, 2007 10:31 pm

First post

I can only get about 100psi in my steel cannon. How do you get more than that in there?. I have a regular ole shop air compressor.

Last post

Yeah I figured it was your compressor that was just limited in the ability to pressre it up. Good luck with your new one

5 Replies

1759 Views

Last post by BigGrib
Fri Nov 02, 2007 11:34 am
Frickin Awesome Valve

Last post by psycix
Replies: 18
by ammosmoke » Wed Oct 31, 2007 5:25 pm
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I don't know about you guys, but I think this is a pretty frickin awesome valve!!!

Frickin awesome valve

Maybe perhaps it could be modded to make...

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This valve is nothing more then just big, its nearly useless for us spudgunners.
Make a 4 piston valve instead and you will be satisfied more.
18 Replies

4785 Views

Last post by psycix
Fri Nov 02, 2007 6:45 am
High Volume Cannon

Last post by octane89
Replies: 5
by octane89 » Thu Nov 01, 2007 6:01 pm

First post

Since I can't find certain PVC parts that are pressure rated. I thought of this and made a quick rendering on paint. Tell me what you think

Last post

I do. Mcmaster has alot of stuff I haven't been able to look at yet. The idea just struck me but a little more in depth research will follow.

5 Replies

1298 Views

Last post by octane89
Thu Nov 01, 2007 6:16 pm
Barrel Sealer Plans - Advice

Last post by ammosmoke
Replies: 55
by Marco321 » Sun Oct 21, 2007 1:56 am
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Hey
When my exams finish (5th November) i will begin work on my 8mm barrel sealer sniper gun. I have draw up plans, i posted them on the pellet gun...

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I like the picture of the crow snoozing on top of the silencer at the end of the hushpower page...
55 Replies

17156 Views

Last post by ammosmoke
Wed Oct 31, 2007 12:49 pm
New Gun or Old Gun Idea

Last post by ALIHISGREAT
Replies: 42
by Chuck » Wed Oct 24, 2007 12:21 pm
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Hey Guys I'm not much into hunting, but I was reading an article on the Lewis and Clark Expidition. They had an air rifle. I did some reading on it...

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Well Guys I think I have come to a halt. I have made several rifles now. I have a 177, and a 22 caliber pellet rifle and a coaxal rifle that has two...
42 Replies

10160 Views

Last post by ALIHISGREAT
Wed Oct 31, 2007 12:17 pm
silencer testing!

Last post by ALIHISGREAT
Replies: 29
by ALIHISGREAT » Sun Oct 28, 2007 10:04 am
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today i built my silencer for my unfinished pnuematic paintball cannon, i use 3/4 pipe as an outer barrel with some b&q 22mm easyfit pipe as an inner...

Last post

The j-cloth goes around the perforated tube and overlaps a little but not enough for a double layer,

The washers and springs go inside the...
29 Replies

6940 Views

Last post by ALIHISGREAT
Wed Oct 31, 2007 12:14 pm
Piston on coaxial -- barrel not in center

Last post by jackssmirkingrevenge
Replies: 15
by psycix » Mon Oct 29, 2007 3:24 pm
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Hey,

Im making plans these days now to build a coaxial pneumatic (will be my first pneumatic) and since I live in holland (europe) I dont have acces...

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If you're using good quality epoxy, a 10mm layer should suffice, but I'd go overboard with the reinforcement.
15 Replies

3604 Views

Last post by jackssmirkingrevenge
Wed Oct 31, 2007 10:42 am
Mini Piston Gun v2

Last post by psycix
Replies: 29
by ethal1222 » Mon Feb 26, 2007 8:35 pm
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I just finished making a few improvements on my mini piston gun. They are:

-A smaller, lighter piston that sits farther back in the gun giving it a...

Last post

That looks sweet!

Could we have the barrel/chamber sizes? And till what pressure do you pump it?
29 Replies

16077 Views

Last post by psycix
Tue Oct 30, 2007 10:35 am
new idea?

Last post by Hubb
Replies: 13
by jon_89 » Mon Oct 29, 2007 10:43 pm

First post

what if you put a burst disk after a sprinkler? would this have performance gains?

Last post

In my book louder -> air coming out of the barrel faster -> more power.

Agreed..but by how much. Like I said, I couldn't notice any additional...

13 Replies

2988 Views

Last post by Hubb
Tue Oct 30, 2007 2:59 am
Does a floating barrel help?/RIFLED BARRELS FOR $14

Last post by Hubb
Replies: 12
by Zen/// » Mon Oct 29, 2007 9:03 pm

First post

Most sniper rifles have a barrel that touches nothing but the scope and loading mechanism, the barrel doesent touch the rest of the stock.
Most real...

Last post

It's a good thought, but no. It would be more of a hassle to input onto a launcher than it is worth.

The purpose of a free floating barrel is to...

12 Replies

2990 Views

Last post by Hubb
Tue Oct 30, 2007 12:07 am
Where to Purchase a piston Valve?

Last post by Marco321
Replies: 13
by MICHAEL SLOAN » Mon Oct 29, 2007 8:44 am

First post

It appears that Spud Tech is no longer selling their SGTC Supah-Valve. Where can I purchase one of these? Not sure I have the know-how to modify...or...

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You can buy a piston valve from almost any hardware store, its just not assembled. You have to do that part yourself.

13 Replies

2831 Views

Last post by Marco321
Mon Oct 29, 2007 11:56 pm
Silicon Rubber Sealant

Last post by EGOed
Replies: 8
by SpudUke5 » Mon Oct 29, 2007 11:01 pm

First post

well i have been searching around the house and i noticed this. It is a Silicon rubber sealant and i have heard that silicon rubber is not a bad...

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Silicone sealant is only used as a sealant for liquid applications and wont work well for high pressure air applications ....It may work ok to seal...

8 Replies

1788 Views

Last post by EGOed
Mon Oct 29, 2007 11:45 pm
Electronic sprinkler valve actuation on large piston valve?

Last post by gwoloshyn
Replies: 6
by gwoloshyn » Mon Oct 29, 2007 9:33 pm

First post

Who here has experience using an electronic sprinkler valve (not modifying it) to use on there large piston? I am planning on making a 2 1/2 inch...

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Yeah I agree with gunner, seems like it would work good. I'm just deciding if I should make it fully pneumatic or add the electronics........

6 Replies

2308 Views

Last post by gwoloshyn
Mon Oct 29, 2007 11:33 pm
GB Co-ax

Last post by noname
Replies: 21
by cwazy1 » Sat Oct 27, 2007 10:20 pm
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So what do you guys think about my new planned cannon??

24 of 4 abs as the chamber.

on the barrel side

4 coupling
4 -3 bushing
3 -1.5 bushing
26...

Last post

Even if the ABS chamber failed, it would not do so in an explosive manner. It would simply rip down the length of the pipe, releasing the pressure...
21 Replies

4903 Views

Last post by noname
Mon Oct 29, 2007 9:45 pm
Pilot Volume vs Piston Weight

Last post by clide
Replies: 23
by goose_man » Thu Oct 25, 2007 12:08 am
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In several topics involving pistons, people often suggest drilling out the back to make the piston lighter and therefore increase performance. One...

Last post

Yeah if the pilot valve remains open the pressurization of the pilot volume by the piston will not occur

It depends on the size of your pilot...
23 Replies

4931 Views

Last post by clide
Mon Oct 29, 2007 7:43 pm
Small coaxial

Last post by rixth
Replies: 65
by rixth » Fri Oct 26, 2007 3:15 am
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Hi guys,

I've modeled this gun in GGDT, and it seems good but I'm not sure.

Please note, the measurements are in metric (meters, grams etc), but I...

Last post

I tried filing the piston to make it fit in the pipe, it does but the seal still ain't flash, plus I have to manually press the piston up against the...
65 Replies

13962 Views

Last post by rixth
Mon Oct 29, 2007 7:25 pm

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