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

1661683 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

752610 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

980593 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

1163751 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

465373 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

131237 Views

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

Topics

Piston seeling idea

Last post by MrCrowley
Replies: 8
by MrCrowley » Thu Aug 03, 2006 2:33 am

First post

on BC's video of how to make a piston which im going to replicate but make it slightly bigger, he uses a piece of rubber to seel the barrel, i was...

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hey,yeah i used the mousepad and a spring as the bumper and this rubber matress stuff like neoprene for the seal and it seals perfect.

8 Replies

3700 Views

Last post by MrCrowley
Thu Aug 10, 2006 2:42 pm
Push Button Sprinkler Valve

Last post by WOW!!
Replies: 15
by IWish4A69Camaro » Mon Aug 07, 2006 11:25 am
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Does anyone know how the guy over at spudtech.com get his sprinkler valves to open with just a push button and no circuitry i cant quit figure it...

Last post

Yep it is
15 Replies

7244 Views

Last post by WOW!!
Thu Aug 10, 2006 1:11 pm
Help with my Pnuematic cannon

Last post by BC Pneumatics
Replies: 7
by SCrid2000 » Tue Aug 08, 2006 5:03 pm

7 Replies

3968 Views

Last post by BC Pneumatics
Thu Aug 10, 2006 12:32 pm
Rain Bird CP100 valve

Last post by spudder1

by spudder1 » Thu Aug 10, 2006 9:17 am

Does anyone use the Rain Bird CP100 out here. How does it work. Seems to me that the valve is slow. Whick valve is everyone using?

Thanks for the...

0 Replies

2500 Views

Last post by spudder1
Thu Aug 10, 2006 9:17 am
slow releasing problem

Last post by MrCrowley
Replies: 8
by iamquaker » Tue Aug 08, 2006 11:26 pm

First post

ok i built a gun using the sprinkler valve, and used 3 9 volt batteries to trigger the solanoid. it worked great for about 2 hours then stopped...

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....and going and going and going and going.......SMASH!!!! you hit a window 300yards down the road :twisted:

8 Replies

3709 Views

Last post by MrCrowley
Wed Aug 09, 2006 11:40 pm
delete

Last post by M3NT4L
Replies: 4
by singularity » Wed Aug 09, 2006 1:29 am

First post

gone

Last post

Go to home depot and ask the same question you aked here, but if the workers there arent very smart wich happens alot then go to the irrigation/pvc...

4 Replies

2480 Views

Last post by M3NT4L
Wed Aug 09, 2006 10:30 pm
Help with twin chamber/valve "T-shirt Launcher"

Last post by nicholai
Replies: 15
by Lasse » Sun Aug 06, 2006 5:53 pm
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Do anyone have experience of twin valve Launchers?

Im currently working on a Pneumatic launcher almost similar to the Spudgun Technology Centers...

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yeah two sprinkler valves could run you from $30 to $50 and wouldnt be worth it, i mean you could experiment making a few improvised piston valves...
15 Replies

7251 Views

Last post by nicholai
Wed Aug 09, 2006 8:00 pm
Double Barrel Cannon (Almost finished)

Last post by noname
Replies: 5
by noname » Sun Aug 06, 2006 4:47 pm

First post

This is a double barreled cannon. The larger barrel is breech loading, and the smaller barrel will be spring-loaded mag fed. The open end of the T in...

Last post

Exactly so you can shoot either barrel, or both but you'd need to pump alot more.

5 Replies

2976 Views

Last post by noname
Mon Aug 07, 2006 10:53 am
semi auto design "please help"

Last post by kwinche

by kwinche » Mon Aug 07, 2006 6:44 am

Hay
This is going to be my first pneumatic cannon it is based on this design

It has not relay been altered except from the air input, I also...

0 Replies

2538 Views

Last post by kwinche
Mon Aug 07, 2006 6:44 am
Awesome!

Last post by Benny
Replies: 10
by Benny » Sat Aug 05, 2006 4:36 am

First post

Check out these screenshots of my rocket launcher cannon firing:

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A little less than 90 PSIG, around seventy-eighty i think, (air came out when i pulled off the chuck)

10 Replies

4624 Views

Last post by Benny
Mon Aug 07, 2006 4:39 am
SPRINKLER VALVE?

Last post by Brian the brain
Replies: 3
by roughboy » Mon Aug 07, 2006 1:19 am

First post

What does a sprinkler valve do, on a pneumatic gun ? how does it help the gun? thanx!

Last post

He must be talking about a coaxial.
If you don't understand how they work, you must wonder what the valve is doing there.

In that case...It vents...

3 Replies

3031 Views

Last post by Brian the brain
Mon Aug 07, 2006 3:54 am
ABS Pipes instead of PVC.

Last post by rna_duelers
Replies: 18
by Dom » Sun Aug 06, 2006 5:07 pm
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Hello!

I am brand new out of the showroom on the forum :P I have a question regarding Pneumatic Potato Guns. I called every single hardware shop in...

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I saw our local council laying some main water pipes and it was ABS pipe and it would have been 30cm in diameter and the wall would have been 4cm...
18 Replies

9330 Views

Last post by rna_duelers
Sun Sep 03, 2006 6:14 am
My next projext is under way...

Last post by beebs111
Replies: 28
by Kris.Is.Awesome » Wed Aug 02, 2006 10:08 pm
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With the help of BoilingLeadBath, I've figured out what I want to do. I worked the GGDT with him, and got a fairly nice result. 482 fps, which is 328...

Last post

Just as strong, rigid, and corrosion resistant as white PVC, but these fittings are transparent so you can see what's flowing through your system....
28 Replies

10588 Views

Last post by beebs111
Sat Aug 05, 2006 11:10 am
~~Black Buty~~

Last post by Shrimphead
Replies: 20
by Spyider » Sat Jul 29, 2006 9:57 pm
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This is my first Pneumatic potato gun so it was hard to pick a design but i do love rifles so thats just what i made.

i first saw this gun on so ill...

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Looks pretty good. Nice breach loading. You are soooo lucky for living that close to Joel. Also, you spelled beauty wrong :lol: .
20 Replies

7647 Views

Last post by Shrimphead
Sat Aug 05, 2006 12:33 am
The Big Apple Cannon

Last post by huse_spud
Replies: 16
by SpudStuff » Sat Jul 22, 2006 4:40 pm
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-- Cannon Name- The Big Apple Cannon
-- Type of Cannon- Co-Axial Piston Valve Pnuematic
-- Chamber Size 4 Sch 40 (4.0 ID) x 48 479 Cubic Inches
--...

Last post

i cant wait finish my newest gun so i can stick it in this contest thing.

btw that cannon is a beauty. without a doubt its a cannon the owner can...
16 Replies

10977 Views

Last post by huse_spud
Thu Aug 03, 2006 1:20 pm
"AA" Coaxial Piston

Last post by spudkpi
Replies: 20
by frogy » Fri Jun 30, 2006 1:35 pm
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AA COAXIAL!

Cannon Name - AA Coaxial
Type of Cannon - Coaxial Piston Pneumatic
Chamber Size - 1.033 x 10.5 (11.924337460912747 ci.)
Barrel...

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The glue piston on this thing has given me many ideas... thanks.
20 Replies

8301 Views

Last post by spudkpi
Wed Aug 02, 2006 12:33 pm
what size?

Last post by boilingleadbath
Replies: 3
by spud man » Tue Aug 01, 2006 4:34 pm

First post

What size barrel would be better for a peunmatic spud gun with a 4 chamber 2 or 2.5 . What size barrle dose pop can's fit in.

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Normal soda cans are 2.6 , within a couple thousandths.

Satisfactory barrels can be made from sleaving 3 sch 40 inside 3 sch 40, which I calculate...

3 Replies

2332 Views

Last post by boilingleadbath
Tue Aug 01, 2006 8:22 pm
air comressed spring piston

Last post by boilingleadbath
Replies: 3
by sum_kid » Tue Aug 01, 2006 5:48 am

First post

I just had an idea:
A spring piston design where the spring provides the energy (like a break barrel airgun). The difference bing that my design has...

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I would either skip the springs entirely (and just use compressed air) or skip the compressed air entierly and just use a spring.

I have an...

3 Replies

2911 Views

Last post by boilingleadbath
Tue Aug 01, 2006 12:31 pm
Flow

Last post by boilingleadbath
Replies: 1
by LucyInTheSky » Tue Aug 01, 2006 5:47 am

First post

I am going to buy a 3/4 QEV and need to have a safty ballvalve in front of it, I was thinking if the flow of the QEV is 7.81Cv and the flow of a 1/2...

Last post

Depends on which ballvalve you get; alot of those 1/2 ballvalves don't have .5 porting. I'd go with the 3/4 ballvalve just so you don't have to buy a...

1 Replies

2392 Views

Last post by boilingleadbath
Tue Aug 01, 2006 12:16 pm
spring piston

Last post by sum_kid
Replies: 6
by sum_kid » Tue Aug 01, 2006 3:30 am

First post

does anyone have any plans or diagrams for a sping pistin gun where the spring itself produces the energy? i looked everywhere for about a week and...

Last post

man i tried google with like a 100 different searches. i got discriptions on how they work. i want a diagram or animation or sumthing. can u try to...

6 Replies

4791 Views

Last post by sum_kid
Tue Aug 01, 2006 5:15 am
please help real quick.

Last post by carlbelcher
Replies: 15
by jdp204 » Sat Mar 12, 2005 11:01 am
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i just bought a new valve like in the tutorial and didnt mod it yet, when i screwed it into my gun and started to add compressed air the valve jsut...

Last post

pyrogeek this topic is over 4 months old!

The rules state:

Useless ( Cool! ) or untimely ( you can find X here as a reply to a two-month old...
15 Replies

9623 Views

Last post by carlbelcher
Tue Aug 01, 2006 2:57 am
Priston Valve Vs Moded Sprinkler Valve

Last post by M3NT4L
Replies: 5
by Mitchy » Mon Jul 31, 2006 7:11 pm

First post

Hey Guy.

Are you able to tell me what the diffrence between a Piston Valve and a Sprinkler valve is.

And also the Pros and Cons of both of them....

Last post

Who was talking about tennis ball cannons? You were buddy. And sprinkler valves if moded correctly can be almost as efficient as piston valves and...

5 Replies

5724 Views

Last post by M3NT4L
Mon Jul 31, 2006 8:52 pm
suggestions?

Last post by spudsy

by spudsy » Mon Jul 31, 2006 8:01 pm

Any suggestions for a cannon (preferably cheap) that can put a tennis ball, or a tater over a football field or more? :?

0 Replies

3155 Views

Last post by spudsy
Mon Jul 31, 2006 8:01 pm
Diaphragm Setup

Last post by noname
Replies: 21
by Shrimphead » Mon Jul 24, 2006 4:29 pm
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Here is the setup I am planning to use for my first diaphragm cannon. Does this look like it will work? I just want to be sure. Also, is there...

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Blowguns are not good pilots! They suck as a matter of fact. If the diaphragm is 1/8 or thicker and the pilot volume is more than 1 cubic inch they...
21 Replies

9601 Views

Last post by noname
Mon Jul 31, 2006 7:43 pm
cannon question

Last post by Spyider
Replies: 5
by spudsy » Mon Jul 31, 2006 9:44 am

First post

I've only built a couple cannons in the time that this hobby has interested me (in other words, I'm new at this) but is there a better way to fire a...

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yes ide sugest a sprinkler valve if you are just starting out on pneumatic's and probably a less complicated gun but its all up to you.

5 Replies

2849 Views

Last post by Spyider
Mon Jul 31, 2006 2:03 pm

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