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...

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thank you for creating this website is there anything i can do to help
15 Replies

1202241 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

605162 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

858049 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

1021094 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

392695 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

100098 Views

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

Topics

Piston cannon help

Last post by mopherman
Replies: 2
by Acdcmonkey1991 » Tue Mar 04, 2008 12:58 pm

First post

I am currently working on a new piston gun (my first piston gun), and I was wondering how I can get the barrel inside the chamber? THe gun is all...

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What i did (and probably mitch) was grind out the stop in a compression fitting. be sure to get it all though, or it'l be crooked.

2 Replies

1096 Views

Last post by mopherman
Tue Mar 04, 2008 1:30 pm
3" Piston Problems

Last post by dongfang
Replies: 10
by fireman565 » Thu Feb 14, 2008 10:53 pm

First post

OK.. working on my fourth spun gun. I've made two combustion (simple), and one pneumatic involving an Rainbird anti-siphon between a 4'x2 barrel and...

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Hi,

Nice that u got it working.

If it opens at all, just a little, then the back pressure of the projectile on the front of the piston will...

10 Replies

2970 Views

Last post by dongfang
Tue Mar 04, 2008 11:07 am
Where to find 3/16'' ID or 1/4 ID

Last post by vic1300
Replies: 18
by vic1300 » Sat Feb 16, 2008 12:27 pm
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Do you know where I can find those pipe size? I have heard something about break lines.

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Well I'll go to another shop, because they asked me the serial number and some other stuff but not the size...
18 Replies

6984 Views

Last post by vic1300
Tue Mar 04, 2008 9:13 am
Which compressor, Which use.

Last post by TheTrooper
Replies: 42
by TheTrooper » Sun Mar 02, 2008 12:43 am
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Recently, I've been searching for a cheap, small compressor that can give my Sprinkler rifle at least 3 shots in semi auto at around 50-70 psi....

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If i get a chance ill take a look, because there was some space on the shelves. Thanks for all the help. ( oh yeah on the website it says they dont...
42 Replies

10916 Views

Last post by TheTrooper
Mon Mar 03, 2008 11:18 pm
Solenoid for GB gun?

Last post by dongfang
Replies: 15
by Carlman » Wed Feb 20, 2008 11:36 am
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Hi all,

back in the day when i was just starting out in spudguns i built a 9' long ball valve GB gun. Now as you can probobly imagine the power was...

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Hi,

Just wanted to explain why I did not believe that a golf ball would fit into a 40mm pipe.

Regards
Soren
15 Replies

5373 Views

Last post by dongfang
Mon Mar 03, 2008 7:15 pm
Ash gun?

Last post by rp181
Replies: 45
by wannabie » Sat Mar 01, 2008 5:37 am
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Ok, I just got a phone call and i have been told i have a great responsibility...
Recently my great grandma died and got cremated so my family...

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i agree with the model rocket thing, just put the ashes into a little paper cup, and the ejection charge would, well, eject it.
45 Replies

19266 Views

Last post by rp181
Mon Mar 03, 2008 6:45 pm
Are "jar top" sprinkler valves modable?

Last post by tomthebomb137
Replies: 18
by tomthebomb137 » Wed Feb 27, 2008 3:37 pm
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title explains it, can you mod this kind of valve?
thanks guys

Last post

ooo alright now i understand, thanks so much
18 Replies

4129 Views

Last post by tomthebomb137
Mon Mar 03, 2008 3:34 pm
Taurus 36

Last post by jackssmirkingrevenge
Replies: 13
by frocksie » Fri Jan 25, 2008 2:41 pm

First post

I just put the finishing touches on my 6mm coaxial airsoft gun.

Specifications
Barrel--36 of 9/32 copper tubing
Chamber-- 13 of 1/2 copper pipe...

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Why not tap the blowgun directly into the tee and extend a trigger rod into where the trigger is meant to be in the pistol grip? this will give you...

13 Replies

6145 Views

Last post by jackssmirkingrevenge
Mon Mar 03, 2008 9:43 am
My 3" piston, 2" porting GB cannon

Last post by kablooie
Replies: 18
by kablooie » Fri Feb 29, 2008 12:06 am
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This is my most recent creation, a 3 piston, 2 porting Golf Ball cannon. It is a lot of fun (and very loud), will shoot a golf ball out of sight at...

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I have figured out on google earth (if that is at all accurate) that my cannon fires ~333 yards, nearly 1/5 of a mile. That was at 40 psi and at a...
18 Replies

10861 Views

Last post by kablooie
Sun Mar 02, 2008 11:56 pm
The PG Update damage pics

Last post by Lentamentalisk
Replies: 56
by bigbob12345 » Mon Feb 18, 2008 8:28 pm
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Okay so this is my most piston gun that I just finished today.
It is not my first I have made quite a few others but this one is my favorite so far...

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well just wear safety glasses and long sleeved shirt/jacket, and long pants, and hopefully you will be ok ;)

edit: ye gods! I just used a smiley!...
56 Replies

14163 Views

Last post by Lentamentalisk
Sun Mar 02, 2008 9:58 pm
fill nipple question

Last post by cooptroop123
Replies: 11
by cooptroop123 » Sat Mar 01, 2008 4:04 pm

First post

i must have been around too much solvents when i put the fill nipple in. i stupidly put in one of those quick disconnect 1/4 fittings for air tools...

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im going to use that regulator from harbor freight

11 Replies

3024 Views

Last post by cooptroop123
Sun Mar 02, 2008 6:17 pm
Interchangeble Chambers

Last post by Solar
Replies: 10
by Jared Haehnel » Tue Feb 26, 2008 9:22 am

First post

In light of my new project a lot of interesting Ideas have been posted and they have been very helpful.

I thought of this after posting a remark...

Last post

Piston valves will open with any pressure great enough to overcome the return spring and the force of the pressure holding the valve closed(which is...

10 Replies

2900 Views

Last post by Solar
Sun Mar 02, 2008 1:55 am
Water Balloon Mortar

Last post by sjog
Replies: 19
by Rokmonkey » Fri Feb 29, 2008 4:56 pm
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Okay, well I've been perusing the forums for a long time now, so I decided to show off what I've been working on lately. This is the third of my...

Last post

Did I hear winter? Black Iron? Here is my 4 season launcher.
19 Replies

9866 Views

Last post by sjog
Sat Mar 01, 2008 9:21 pm
New advances in hand pumps

Last post by Hawkeye
Replies: 18
by Lentamentalisk » Sat Mar 01, 2008 4:43 pm
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I just had a brilliant idea for a pump.
Everyone is always complaining about the time it takes them to pump up their tanks if they want to get it to...

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I'm getting my numbers based on measuring the psi attained with said pump. I weigh 170 so it really isn't that much trouble.
When someone runs they...
18 Replies

5729 Views

Last post by Hawkeye
Sat Mar 01, 2008 8:52 pm
3/4" piston problems

Last post by pizlo
Replies: 13
by subsonic_karet » Sun Feb 17, 2008 7:13 pm

First post

I've recently been trying to build a piston valve in a copper tee. I'm using a 3/4 X3/4 X1/2 tee. The barrel is 1/2 copper. My piston is 3/4 oak...

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Well I've never actually piloted mine I still need a few more fittings. I was just expecting g to encounter this problem because there might not be...

13 Replies

4232 Views

Last post by pizlo
Sat Mar 01, 2008 8:15 pm
My first Pneumatic Gun

Last post by jackssmirkingrevenge
Replies: 9
by Divinitous » Thu Feb 28, 2008 10:09 pm

First post

Hey guys. Long time lurker, first time poster.
I've made a few guns before, but nothing more than some 3 PVC and a grill sparker. I've found them to...

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Very nice, but you can half the piloting hose length by having the hose point directly forward instead of bending back first, this will give you...

9 Replies

2572 Views

Last post by jackssmirkingrevenge
Sat Mar 01, 2008 4:17 pm
Butterfly valve?

Last post by DYI
Replies: 12
by tomthebomb137 » Thu Feb 28, 2008 5:17 pm

First post

im just curious to see if anyone has sucsessfully used a butterfly valve in a pnuematic cannon, andif you have im wondering how you rigged it up

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I think that the steel bolts and knuts might wear on the PVC over time, and considering how cheap the flanges would be, I personally don't think it's...

12 Replies

2732 Views

Last post by DYI
Sat Mar 01, 2008 1:02 am
1st attempt w/ damage

Last post by brother361
Replies: 21
by sruggles » Fri Mar 16, 2007 11:13 pm
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This is my first pneumatic. I must admit, it's kind of embarrassing compared to most of the guns I've seen here.

It has a 3/4 inch chamber with 4 6...

Last post

simply awesome

lol thts rad with those air chambers
21 Replies

10730 Views

Last post by brother361
Fri Feb 29, 2008 3:21 pm
3" Barrel Inline Pneumatic

Last post by Jared Haehnel
Replies: 7
by tmacd995 » Thu Feb 28, 2008 10:43 pm

First post

This is my second launcher, my first was a simple over/under with a ball valve. This one has 4'x4 chamber with a schrader in the cap. I am shooting...

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Nice gun..funny story I wrapped my first combustion with old jeans and duct tape for fear of explosion...

Once you get those dwv joints replaced...

7 Replies

1920 Views

Last post by Jared Haehnel
Fri Feb 29, 2008 11:20 am
A Revolver Question or Solution?

Last post by Hubb
Replies: 18
by Hubb » Tue Nov 13, 2007 5:26 am
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A while back, I posted a question about a pump action or semi-auto. With all the feedback, I decided to construct a pump-action revolver.

One of the...

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That's awesome. Is there a way to configure this into a pump action?
18 Replies

4828 Views

Last post by Hubb
Fri Feb 29, 2008 5:42 am
Last few questions (hopefully) on my design

Last post by MrCrowley
Replies: 10
by Hubb » Sun Feb 24, 2008 10:31 pm

First post

I'm getting ready to start my pneumatic project, a pump action revolver paintball shotgun. In the original diagrams, I was going to use regulated CO2...

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I would say breech for this case, because at the muzzle the front projectile may slow down enough for the one behind to bump it. I'm not sure how...

10 Replies

2748 Views

Last post by MrCrowley
Fri Feb 29, 2008 2:52 am
micro pump

Last post by pizlo
Replies: 21
by jon_89 » Tue Feb 26, 2008 1:32 am
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After reading the topics on how to build a air pump I was thinking if building a micro shock pump would be plausible. The only thing I can think that...

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Schraders should be ok for 800-900 psi.

I think this will make an interesting distraction from all the auto talk :) For my next trick, I was...
21 Replies

3551 Views

Last post by pizlo
Thu Feb 28, 2008 6:30 pm
how to make an auto matic gun

Last post by pizlo
Replies: 24
by dilweed » Tue Feb 26, 2008 4:19 pm
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okay basically,

1.) you have a large tube, a t - piece piece, and another tube all assemble all in, line with each other.

2.) inside of the large...

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Looking forward to seeing it.
24 Replies

8713 Views

Last post by pizlo
Thu Feb 28, 2008 6:15 pm
Net Cannon

Last post by beartracker5589
Replies: 15
by beartracker5589 » Tue Feb 26, 2008 8:15 pm
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has anybody built a net gun or a net cannon, where you would use air pressure to shoot a net that would open up once it was in the air. i've looked...

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i appreciate all of the advice, im gonna keep thinking about it, ill post anything i come up with. thanks again
15 Replies

5406 Views

Last post by beartracker5589
Thu Feb 28, 2008 5:12 pm
The Hammer Shotgun

Last post by Novacastrian
Replies: 43
by Novacastrian » Thu Feb 21, 2008 1:04 am
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I believe this to be a first for Spudfiles, a nearly all clear Hammer Piston Pneumatic.
This was a relatively easy build, taking about 4-5 hours to...

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That works slick!

I like it, I like it a lot. :D

Thanks Gippeto :)
43 Replies

12716 Views

Last post by Novacastrian
Wed Feb 27, 2008 8:27 pm

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